[28/50] [abbrv] hbase git commit: HBASE-13202 Procedure v2 - core framework

[mb...@apache.org]

http://git-wip-us.apache.org/repos/asf/hbase/blob/9d763cd7/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ProcedureProtos.java
----------------------------------------------------------------------
diff --git a/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ProcedureProtos.java b/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ProcedureProtos.java
new file mode 100644
index 0000000..3c7dcdb
--- /dev/null
+++ b/hbase-protocol/src/main/java/org/apache/hadoop/hbase/protobuf/generated/ProcedureProtos.java
@@ -0,0 +1,7219 @@
+// Generated by the protocol buffer compiler.  DO NOT EDIT!
+// source: Procedure.proto
+
+package org.apache.hadoop.hbase.protobuf.generated;
+
+public final class ProcedureProtos {
+  private ProcedureProtos() {}
+  public static void registerAllExtensions(
+      com.google.protobuf.ExtensionRegistry registry) {
+  }
+  /**
+   * Protobuf enum {@code ProcedureState}
+   */
+  public enum ProcedureState
+      implements com.google.protobuf.ProtocolMessageEnum {
+    /**
+     * <code>INITIALIZING = 1;</code>
+     *
+     * <pre>
+     * Procedure in construction, not yet added to the executor
+     * </pre>
+     */
+    INITIALIZING(0, 1),
+    /**
+     * <code>RUNNABLE = 2;</code>
+     *
+     * <pre>
+     * Procedure added to the executor, and ready to be executed
+     * </pre>
+     */
+    RUNNABLE(1, 2),
+    /**
+     * <code>WAITING = 3;</code>
+     *
+     * <pre>
+     * The procedure is waiting on children to be completed
+     * </pre>
+     */
+    WAITING(2, 3),
+    /**
+     * <code>WAITING_TIMEOUT = 4;</code>
+     *
+     * <pre>
+     * The procedure is waiting a timout or an external event
+     * </pre>
+     */
+    WAITING_TIMEOUT(3, 4),
+    /**
+     * <code>ROLLEDBACK = 5;</code>
+     *
+     * <pre>
+     * The procedure failed and was rolledback
+     * </pre>
+     */
+    ROLLEDBACK(4, 5),
+    /**
+     * <code>FINISHED = 6;</code>
+     *
+     * <pre>
+     * The procedure execution is completed. may need a rollback if failed.
+     * </pre>
+     */
+    FINISHED(5, 6),
+    ;
+
+    /**
+     * <code>INITIALIZING = 1;</code>
+     *
+     * <pre>
+     * Procedure in construction, not yet added to the executor
+     * </pre>
+     */
+    public static final int INITIALIZING_VALUE = 1;
+    /**
+     * <code>RUNNABLE = 2;</code>
+     *
+     * <pre>
+     * Procedure added to the executor, and ready to be executed
+     * </pre>
+     */
+    public static final int RUNNABLE_VALUE = 2;
+    /**
+     * <code>WAITING = 3;</code>
+     *
+     * <pre>
+     * The procedure is waiting on children to be completed
+     * </pre>
+     */
+    public static final int WAITING_VALUE = 3;
+    /**
+     * <code>WAITING_TIMEOUT = 4;</code>
+     *
+     * <pre>
+     * The procedure is waiting a timout or an external event
+     * </pre>
+     */
+    public static final int WAITING_TIMEOUT_VALUE = 4;
+    /**
+     * <code>ROLLEDBACK = 5;</code>
+     *
+     * <pre>
+     * The procedure failed and was rolledback
+     * </pre>
+     */
+    public static final int ROLLEDBACK_VALUE = 5;
+    /**
+     * <code>FINISHED = 6;</code>
+     *
+     * <pre>
+     * The procedure execution is completed. may need a rollback if failed.
+     * </pre>
+     */
+    public static final int FINISHED_VALUE = 6;
+
+
+    public final int getNumber() { return value; }
+
+    public static ProcedureState valueOf(int value) {
+      switch (value) {
+        case 1: return INITIALIZING;
+        case 2: return RUNNABLE;
+        case 3: return WAITING;
+        case 4: return WAITING_TIMEOUT;
+        case 5: return ROLLEDBACK;
+        case 6: return FINISHED;
+        default: return null;
+      }
+    }
+
+    public static com.google.protobuf.Internal.EnumLiteMap<ProcedureState>
+        internalGetValueMap() {
+      return internalValueMap;
+    }
+    private static com.google.protobuf.Internal.EnumLiteMap<ProcedureState>
+        internalValueMap =
+          new com.google.protobuf.Internal.EnumLiteMap<ProcedureState>() {
+            public ProcedureState findValueByNumber(int number) {
+              return ProcedureState.valueOf(number);
+            }
+          };
+
+    public final com.google.protobuf.Descriptors.EnumValueDescriptor
+        getValueDescriptor() {
+      return getDescriptor().getValues().get(index);
+    }
+    public final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptorForType() {
+      return getDescriptor();
+    }
+    public static final com.google.protobuf.Descriptors.EnumDescriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.getDescriptor().getEnumTypes().get(0);
+    }
+
+    private static final ProcedureState[] VALUES = values();
+
+    public static ProcedureState valueOf(
+        com.google.protobuf.Descriptors.EnumValueDescriptor desc) {
+      if (desc.getType() != getDescriptor()) {
+        throw new java.lang.IllegalArgumentException(
+          "EnumValueDescriptor is not for this type.");
+      }
+      return VALUES[desc.getIndex()];
+    }
+
+    private final int index;
+    private final int value;
+
+    private ProcedureState(int index, int value) {
+      this.index = index;
+      this.value = value;
+    }
+
+    // @@protoc_insertion_point(enum_scope:ProcedureState)
+  }
+
+  public interface ProcedureOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required string class_name = 1;
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    boolean hasClassName();
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    java.lang.String getClassName();
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    com.google.protobuf.ByteString
+        getClassNameBytes();
+
+    // optional uint64 parent_id = 2;
+    /**
+     * <code>optional uint64 parent_id = 2;</code>
+     *
+     * <pre>
+     * parent if not a root-procedure otherwise not set
+     * </pre>
+     */
+    boolean hasParentId();
+    /**
+     * <code>optional uint64 parent_id = 2;</code>
+     *
+     * <pre>
+     * parent if not a root-procedure otherwise not set
+     * </pre>
+     */
+    long getParentId();
+
+    // required uint64 proc_id = 3;
+    /**
+     * <code>required uint64 proc_id = 3;</code>
+     */
+    boolean hasProcId();
+    /**
+     * <code>required uint64 proc_id = 3;</code>
+     */
+    long getProcId();
+
+    // required uint64 start_time = 4;
+    /**
+     * <code>required uint64 start_time = 4;</code>
+     */
+    boolean hasStartTime();
+    /**
+     * <code>required uint64 start_time = 4;</code>
+     */
+    long getStartTime();
+
+    // optional string owner = 5;
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    boolean hasOwner();
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    java.lang.String getOwner();
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    com.google.protobuf.ByteString
+        getOwnerBytes();
+
+    // required .ProcedureState state = 6;
+    /**
+     * <code>required .ProcedureState state = 6;</code>
+     *
+     * <pre>
+     * internal "runtime" state
+     * </pre>
+     */
+    boolean hasState();
+    /**
+     * <code>required .ProcedureState state = 6;</code>
+     *
+     * <pre>
+     * internal "runtime" state
+     * </pre>
+     */
+    org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState getState();
+
+    // repeated uint32 stack_id = 7;
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    java.util.List<java.lang.Integer> getStackIdList();
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    int getStackIdCount();
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    int getStackId(int index);
+
+    // required uint64 last_update = 8;
+    /**
+     * <code>required uint64 last_update = 8;</code>
+     */
+    boolean hasLastUpdate();
+    /**
+     * <code>required uint64 last_update = 8;</code>
+     */
+    long getLastUpdate();
+
+    // optional uint32 timeout = 9;
+    /**
+     * <code>optional uint32 timeout = 9;</code>
+     */
+    boolean hasTimeout();
+    /**
+     * <code>optional uint32 timeout = 9;</code>
+     */
+    int getTimeout();
+
+    // optional .ForeignExceptionMessage exception = 10;
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    boolean hasException();
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage getException();
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder getExceptionOrBuilder();
+
+    // optional bytes result = 11;
+    /**
+     * <code>optional bytes result = 11;</code>
+     *
+     * <pre>
+     * opaque (user) result structure
+     * </pre>
+     */
+    boolean hasResult();
+    /**
+     * <code>optional bytes result = 11;</code>
+     *
+     * <pre>
+     * opaque (user) result structure
+     * </pre>
+     */
+    com.google.protobuf.ByteString getResult();
+
+    // optional bytes state_data = 12;
+    /**
+     * <code>optional bytes state_data = 12;</code>
+     *
+     * <pre>
+     * opaque (user) procedure internal-state
+     * </pre>
+     */
+    boolean hasStateData();
+    /**
+     * <code>optional bytes state_data = 12;</code>
+     *
+     * <pre>
+     * opaque (user) procedure internal-state
+     * </pre>
+     */
+    com.google.protobuf.ByteString getStateData();
+  }
+  /**
+   * Protobuf type {@code Procedure}
+   *
+   * <pre>
+   **
+   * Procedure metadata, serialized by the ProcedureStore to be able to recover the old state.
+   * </pre>
+   */
+  public static final class Procedure extends
+      com.google.protobuf.GeneratedMessage
+      implements ProcedureOrBuilder {
+    // Use Procedure.newBuilder() to construct.
+    private Procedure(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private Procedure(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final Procedure defaultInstance;
+    public static Procedure getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public Procedure getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private Procedure(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 10: {
+              bitField0_ |= 0x00000001;
+              className_ = input.readBytes();
+              break;
+            }
+            case 16: {
+              bitField0_ |= 0x00000002;
+              parentId_ = input.readUInt64();
+              break;
+            }
+            case 24: {
+              bitField0_ |= 0x00000004;
+              procId_ = input.readUInt64();
+              break;
+            }
+            case 32: {
+              bitField0_ |= 0x00000008;
+              startTime_ = input.readUInt64();
+              break;
+            }
+            case 42: {
+              bitField0_ |= 0x00000010;
+              owner_ = input.readBytes();
+              break;
+            }
+            case 48: {
+              int rawValue = input.readEnum();
+              org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState value = org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState.valueOf(rawValue);
+              if (value == null) {
+                unknownFields.mergeVarintField(6, rawValue);
+              } else {
+                bitField0_ |= 0x00000020;
+                state_ = value;
+              }
+              break;
+            }
+            case 56: {
+              if (!((mutable_bitField0_ & 0x00000040) == 0x00000040)) {
+                stackId_ = new java.util.ArrayList<java.lang.Integer>();
+                mutable_bitField0_ |= 0x00000040;
+              }
+              stackId_.add(input.readUInt32());
+              break;
+            }
+            case 58: {
+              int length = input.readRawVarint32();
+              int limit = input.pushLimit(length);
+              if (!((mutable_bitField0_ & 0x00000040) == 0x00000040) && input.getBytesUntilLimit() > 0) {
+                stackId_ = new java.util.ArrayList<java.lang.Integer>();
+                mutable_bitField0_ |= 0x00000040;
+              }
+              while (input.getBytesUntilLimit() > 0) {
+                stackId_.add(input.readUInt32());
+              }
+              input.popLimit(limit);
+              break;
+            }
+            case 64: {
+              bitField0_ |= 0x00000040;
+              lastUpdate_ = input.readUInt64();
+              break;
+            }
+            case 72: {
+              bitField0_ |= 0x00000080;
+              timeout_ = input.readUInt32();
+              break;
+            }
+            case 82: {
+              org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder subBuilder = null;
+              if (((bitField0_ & 0x00000100) == 0x00000100)) {
+                subBuilder = exception_.toBuilder();
+              }
+              exception_ = input.readMessage(org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.PARSER, extensionRegistry);
+              if (subBuilder != null) {
+                subBuilder.mergeFrom(exception_);
+                exception_ = subBuilder.buildPartial();
+              }
+              bitField0_ |= 0x00000100;
+              break;
+            }
+            case 90: {
+              bitField0_ |= 0x00000200;
+              result_ = input.readBytes();
+              break;
+            }
+            case 98: {
+              bitField0_ |= 0x00000400;
+              stateData_ = input.readBytes();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        if (((mutable_bitField0_ & 0x00000040) == 0x00000040)) {
+          stackId_ = java.util.Collections.unmodifiableList(stackId_);
+        }
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_Procedure_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_Procedure_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.class, org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<Procedure> PARSER =
+        new com.google.protobuf.AbstractParser<Procedure>() {
+      public Procedure parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new Procedure(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<Procedure> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required string class_name = 1;
+    public static final int CLASS_NAME_FIELD_NUMBER = 1;
+    private java.lang.Object className_;
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    public boolean hasClassName() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    public java.lang.String getClassName() {
+      java.lang.Object ref = className_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          className_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>required string class_name = 1;</code>
+     *
+     * <pre>
+     * internal "static" state
+     * </pre>
+     */
+    public com.google.protobuf.ByteString
+        getClassNameBytes() {
+      java.lang.Object ref = className_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        className_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    // optional uint64 parent_id = 2;
+    public static final int PARENT_ID_FIELD_NUMBER = 2;
+    private long parentId_;
+    /**
+     * <code>optional uint64 parent_id = 2;</code>
+     *
+     * <pre>
+     * parent if not a root-procedure otherwise not set
+     * </pre>
+     */
+    public boolean hasParentId() {
+      return ((bitField0_ & 0x00000002) == 0x00000002);
+    }
+    /**
+     * <code>optional uint64 parent_id = 2;</code>
+     *
+     * <pre>
+     * parent if not a root-procedure otherwise not set
+     * </pre>
+     */
+    public long getParentId() {
+      return parentId_;
+    }
+
+    // required uint64 proc_id = 3;
+    public static final int PROC_ID_FIELD_NUMBER = 3;
+    private long procId_;
+    /**
+     * <code>required uint64 proc_id = 3;</code>
+     */
+    public boolean hasProcId() {
+      return ((bitField0_ & 0x00000004) == 0x00000004);
+    }
+    /**
+     * <code>required uint64 proc_id = 3;</code>
+     */
+    public long getProcId() {
+      return procId_;
+    }
+
+    // required uint64 start_time = 4;
+    public static final int START_TIME_FIELD_NUMBER = 4;
+    private long startTime_;
+    /**
+     * <code>required uint64 start_time = 4;</code>
+     */
+    public boolean hasStartTime() {
+      return ((bitField0_ & 0x00000008) == 0x00000008);
+    }
+    /**
+     * <code>required uint64 start_time = 4;</code>
+     */
+    public long getStartTime() {
+      return startTime_;
+    }
+
+    // optional string owner = 5;
+    public static final int OWNER_FIELD_NUMBER = 5;
+    private java.lang.Object owner_;
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    public boolean hasOwner() {
+      return ((bitField0_ & 0x00000010) == 0x00000010);
+    }
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    public java.lang.String getOwner() {
+      java.lang.Object ref = owner_;
+      if (ref instanceof java.lang.String) {
+        return (java.lang.String) ref;
+      } else {
+        com.google.protobuf.ByteString bs = 
+            (com.google.protobuf.ByteString) ref;
+        java.lang.String s = bs.toStringUtf8();
+        if (bs.isValidUtf8()) {
+          owner_ = s;
+        }
+        return s;
+      }
+    }
+    /**
+     * <code>optional string owner = 5;</code>
+     */
+    public com.google.protobuf.ByteString
+        getOwnerBytes() {
+      java.lang.Object ref = owner_;
+      if (ref instanceof java.lang.String) {
+        com.google.protobuf.ByteString b = 
+            com.google.protobuf.ByteString.copyFromUtf8(
+                (java.lang.String) ref);
+        owner_ = b;
+        return b;
+      } else {
+        return (com.google.protobuf.ByteString) ref;
+      }
+    }
+
+    // required .ProcedureState state = 6;
+    public static final int STATE_FIELD_NUMBER = 6;
+    private org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState state_;
+    /**
+     * <code>required .ProcedureState state = 6;</code>
+     *
+     * <pre>
+     * internal "runtime" state
+     * </pre>
+     */
+    public boolean hasState() {
+      return ((bitField0_ & 0x00000020) == 0x00000020);
+    }
+    /**
+     * <code>required .ProcedureState state = 6;</code>
+     *
+     * <pre>
+     * internal "runtime" state
+     * </pre>
+     */
+    public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState getState() {
+      return state_;
+    }
+
+    // repeated uint32 stack_id = 7;
+    public static final int STACK_ID_FIELD_NUMBER = 7;
+    private java.util.List<java.lang.Integer> stackId_;
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    public java.util.List<java.lang.Integer>
+        getStackIdList() {
+      return stackId_;
+    }
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    public int getStackIdCount() {
+      return stackId_.size();
+    }
+    /**
+     * <code>repeated uint32 stack_id = 7;</code>
+     *
+     * <pre>
+     * stack indices in case the procedure was running
+     * </pre>
+     */
+    public int getStackId(int index) {
+      return stackId_.get(index);
+    }
+
+    // required uint64 last_update = 8;
+    public static final int LAST_UPDATE_FIELD_NUMBER = 8;
+    private long lastUpdate_;
+    /**
+     * <code>required uint64 last_update = 8;</code>
+     */
+    public boolean hasLastUpdate() {
+      return ((bitField0_ & 0x00000040) == 0x00000040);
+    }
+    /**
+     * <code>required uint64 last_update = 8;</code>
+     */
+    public long getLastUpdate() {
+      return lastUpdate_;
+    }
+
+    // optional uint32 timeout = 9;
+    public static final int TIMEOUT_FIELD_NUMBER = 9;
+    private int timeout_;
+    /**
+     * <code>optional uint32 timeout = 9;</code>
+     */
+    public boolean hasTimeout() {
+      return ((bitField0_ & 0x00000080) == 0x00000080);
+    }
+    /**
+     * <code>optional uint32 timeout = 9;</code>
+     */
+    public int getTimeout() {
+      return timeout_;
+    }
+
+    // optional .ForeignExceptionMessage exception = 10;
+    public static final int EXCEPTION_FIELD_NUMBER = 10;
+    private org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage exception_;
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    public boolean hasException() {
+      return ((bitField0_ & 0x00000100) == 0x00000100);
+    }
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    public org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage getException() {
+      return exception_;
+    }
+    /**
+     * <code>optional .ForeignExceptionMessage exception = 10;</code>
+     *
+     * <pre>
+     * user state/results
+     * </pre>
+     */
+    public org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder getExceptionOrBuilder() {
+      return exception_;
+    }
+
+    // optional bytes result = 11;
+    public static final int RESULT_FIELD_NUMBER = 11;
+    private com.google.protobuf.ByteString result_;
+    /**
+     * <code>optional bytes result = 11;</code>
+     *
+     * <pre>
+     * opaque (user) result structure
+     * </pre>
+     */
+    public boolean hasResult() {
+      return ((bitField0_ & 0x00000200) == 0x00000200);
+    }
+    /**
+     * <code>optional bytes result = 11;</code>
+     *
+     * <pre>
+     * opaque (user) result structure
+     * </pre>
+     */
+    public com.google.protobuf.ByteString getResult() {
+      return result_;
+    }
+
+    // optional bytes state_data = 12;
+    public static final int STATE_DATA_FIELD_NUMBER = 12;
+    private com.google.protobuf.ByteString stateData_;
+    /**
+     * <code>optional bytes state_data = 12;</code>
+     *
+     * <pre>
+     * opaque (user) procedure internal-state
+     * </pre>
+     */
+    public boolean hasStateData() {
+      return ((bitField0_ & 0x00000400) == 0x00000400);
+    }
+    /**
+     * <code>optional bytes state_data = 12;</code>
+     *
+     * <pre>
+     * opaque (user) procedure internal-state
+     * </pre>
+     */
+    public com.google.protobuf.ByteString getStateData() {
+      return stateData_;
+    }
+
+    private void initFields() {
+      className_ = "";
+      parentId_ = 0L;
+      procId_ = 0L;
+      startTime_ = 0L;
+      owner_ = "";
+      state_ = org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState.INITIALIZING;
+      stackId_ = java.util.Collections.emptyList();
+      lastUpdate_ = 0L;
+      timeout_ = 0;
+      exception_ = org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.getDefaultInstance();
+      result_ = com.google.protobuf.ByteString.EMPTY;
+      stateData_ = com.google.protobuf.ByteString.EMPTY;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasClassName()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasProcId()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasStartTime()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasState()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      if (!hasLastUpdate()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeBytes(1, getClassNameBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        output.writeUInt64(2, parentId_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        output.writeUInt64(3, procId_);
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        output.writeUInt64(4, startTime_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        output.writeBytes(5, getOwnerBytes());
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        output.writeEnum(6, state_.getNumber());
+      }
+      for (int i = 0; i < stackId_.size(); i++) {
+        output.writeUInt32(7, stackId_.get(i));
+      }
+      if (((bitField0_ & 0x00000040) == 0x00000040)) {
+        output.writeUInt64(8, lastUpdate_);
+      }
+      if (((bitField0_ & 0x00000080) == 0x00000080)) {
+        output.writeUInt32(9, timeout_);
+      }
+      if (((bitField0_ & 0x00000100) == 0x00000100)) {
+        output.writeMessage(10, exception_);
+      }
+      if (((bitField0_ & 0x00000200) == 0x00000200)) {
+        output.writeBytes(11, result_);
+      }
+      if (((bitField0_ & 0x00000400) == 0x00000400)) {
+        output.writeBytes(12, stateData_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(1, getClassNameBytes());
+      }
+      if (((bitField0_ & 0x00000002) == 0x00000002)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(2, parentId_);
+      }
+      if (((bitField0_ & 0x00000004) == 0x00000004)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(3, procId_);
+      }
+      if (((bitField0_ & 0x00000008) == 0x00000008)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(4, startTime_);
+      }
+      if (((bitField0_ & 0x00000010) == 0x00000010)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(5, getOwnerBytes());
+      }
+      if (((bitField0_ & 0x00000020) == 0x00000020)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeEnumSize(6, state_.getNumber());
+      }
+      {
+        int dataSize = 0;
+        for (int i = 0; i < stackId_.size(); i++) {
+          dataSize += com.google.protobuf.CodedOutputStream
+            .computeUInt32SizeNoTag(stackId_.get(i));
+        }
+        size += dataSize;
+        size += 1 * getStackIdList().size();
+      }
+      if (((bitField0_ & 0x00000040) == 0x00000040)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt64Size(8, lastUpdate_);
+      }
+      if (((bitField0_ & 0x00000080) == 0x00000080)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeUInt32Size(9, timeout_);
+      }
+      if (((bitField0_ & 0x00000100) == 0x00000100)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeMessageSize(10, exception_);
+      }
+      if (((bitField0_ & 0x00000200) == 0x00000200)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(11, result_);
+      }
+      if (((bitField0_ & 0x00000400) == 0x00000400)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBytesSize(12, stateData_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure other = (org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure) obj;
+
+      boolean result = true;
+      result = result && (hasClassName() == other.hasClassName());
+      if (hasClassName()) {
+        result = result && getClassName()
+            .equals(other.getClassName());
+      }
+      result = result && (hasParentId() == other.hasParentId());
+      if (hasParentId()) {
+        result = result && (getParentId()
+            == other.getParentId());
+      }
+      result = result && (hasProcId() == other.hasProcId());
+      if (hasProcId()) {
+        result = result && (getProcId()
+            == other.getProcId());
+      }
+      result = result && (hasStartTime() == other.hasStartTime());
+      if (hasStartTime()) {
+        result = result && (getStartTime()
+            == other.getStartTime());
+      }
+      result = result && (hasOwner() == other.hasOwner());
+      if (hasOwner()) {
+        result = result && getOwner()
+            .equals(other.getOwner());
+      }
+      result = result && (hasState() == other.hasState());
+      if (hasState()) {
+        result = result &&
+            (getState() == other.getState());
+      }
+      result = result && getStackIdList()
+          .equals(other.getStackIdList());
+      result = result && (hasLastUpdate() == other.hasLastUpdate());
+      if (hasLastUpdate()) {
+        result = result && (getLastUpdate()
+            == other.getLastUpdate());
+      }
+      result = result && (hasTimeout() == other.hasTimeout());
+      if (hasTimeout()) {
+        result = result && (getTimeout()
+            == other.getTimeout());
+      }
+      result = result && (hasException() == other.hasException());
+      if (hasException()) {
+        result = result && getException()
+            .equals(other.getException());
+      }
+      result = result && (hasResult() == other.hasResult());
+      if (hasResult()) {
+        result = result && getResult()
+            .equals(other.getResult());
+      }
+      result = result && (hasStateData() == other.hasStateData());
+      if (hasStateData()) {
+        result = result && getStateData()
+            .equals(other.getStateData());
+      }
+      result = result &&
+          getUnknownFields().equals(other.getUnknownFields());
+      return result;
+    }
+
+    private int memoizedHashCode = 0;
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasClassName()) {
+        hash = (37 * hash) + CLASS_NAME_FIELD_NUMBER;
+        hash = (53 * hash) + getClassName().hashCode();
+      }
+      if (hasParentId()) {
+        hash = (37 * hash) + PARENT_ID_FIELD_NUMBER;
+        hash = (53 * hash) + hashLong(getParentId());
+      }
+      if (hasProcId()) {
+        hash = (37 * hash) + PROC_ID_FIELD_NUMBER;
+        hash = (53 * hash) + hashLong(getProcId());
+      }
+      if (hasStartTime()) {
+        hash = (37 * hash) + START_TIME_FIELD_NUMBER;
+        hash = (53 * hash) + hashLong(getStartTime());
+      }
+      if (hasOwner()) {
+        hash = (37 * hash) + OWNER_FIELD_NUMBER;
+        hash = (53 * hash) + getOwner().hashCode();
+      }
+      if (hasState()) {
+        hash = (37 * hash) + STATE_FIELD_NUMBER;
+        hash = (53 * hash) + hashEnum(getState());
+      }
+      if (getStackIdCount() > 0) {
+        hash = (37 * hash) + STACK_ID_FIELD_NUMBER;
+        hash = (53 * hash) + getStackIdList().hashCode();
+      }
+      if (hasLastUpdate()) {
+        hash = (37 * hash) + LAST_UPDATE_FIELD_NUMBER;
+        hash = (53 * hash) + hashLong(getLastUpdate());
+      }
+      if (hasTimeout()) {
+        hash = (37 * hash) + TIMEOUT_FIELD_NUMBER;
+        hash = (53 * hash) + getTimeout();
+      }
+      if (hasException()) {
+        hash = (37 * hash) + EXCEPTION_FIELD_NUMBER;
+        hash = (53 * hash) + getException().hashCode();
+      }
+      if (hasResult()) {
+        hash = (37 * hash) + RESULT_FIELD_NUMBER;
+        hash = (53 * hash) + getResult().hashCode();
+      }
+      if (hasStateData()) {
+        hash = (37 * hash) + STATE_DATA_FIELD_NUMBER;
+        hash = (53 * hash) + getStateData().hashCode();
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code Procedure}
+     *
+     * <pre>
+     **
+     * Procedure metadata, serialized by the ProcedureStore to be able to recover the old state.
+     * </pre>
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_Procedure_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_Procedure_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.class, org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+          getExceptionFieldBuilder();
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        className_ = "";
+        bitField0_ = (bitField0_ & ~0x00000001);
+        parentId_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000002);
+        procId_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000004);
+        startTime_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000008);
+        owner_ = "";
+        bitField0_ = (bitField0_ & ~0x00000010);
+        state_ = org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState.INITIALIZING;
+        bitField0_ = (bitField0_ & ~0x00000020);
+        stackId_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000040);
+        lastUpdate_ = 0L;
+        bitField0_ = (bitField0_ & ~0x00000080);
+        timeout_ = 0;
+        bitField0_ = (bitField0_ & ~0x00000100);
+        if (exceptionBuilder_ == null) {
+          exception_ = org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.getDefaultInstance();
+        } else {
+          exceptionBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000200);
+        result_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000400);
+        stateData_ = com.google.protobuf.ByteString.EMPTY;
+        bitField0_ = (bitField0_ & ~0x00000800);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_Procedure_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure build() {
+        org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure result = new org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.className_ = className_;
+        if (((from_bitField0_ & 0x00000002) == 0x00000002)) {
+          to_bitField0_ |= 0x00000002;
+        }
+        result.parentId_ = parentId_;
+        if (((from_bitField0_ & 0x00000004) == 0x00000004)) {
+          to_bitField0_ |= 0x00000004;
+        }
+        result.procId_ = procId_;
+        if (((from_bitField0_ & 0x00000008) == 0x00000008)) {
+          to_bitField0_ |= 0x00000008;
+        }
+        result.startTime_ = startTime_;
+        if (((from_bitField0_ & 0x00000010) == 0x00000010)) {
+          to_bitField0_ |= 0x00000010;
+        }
+        result.owner_ = owner_;
+        if (((from_bitField0_ & 0x00000020) == 0x00000020)) {
+          to_bitField0_ |= 0x00000020;
+        }
+        result.state_ = state_;
+        if (((bitField0_ & 0x00000040) == 0x00000040)) {
+          stackId_ = java.util.Collections.unmodifiableList(stackId_);
+          bitField0_ = (bitField0_ & ~0x00000040);
+        }
+        result.stackId_ = stackId_;
+        if (((from_bitField0_ & 0x00000080) == 0x00000080)) {
+          to_bitField0_ |= 0x00000040;
+        }
+        result.lastUpdate_ = lastUpdate_;
+        if (((from_bitField0_ & 0x00000100) == 0x00000100)) {
+          to_bitField0_ |= 0x00000080;
+        }
+        result.timeout_ = timeout_;
+        if (((from_bitField0_ & 0x00000200) == 0x00000200)) {
+          to_bitField0_ |= 0x00000100;
+        }
+        if (exceptionBuilder_ == null) {
+          result.exception_ = exception_;
+        } else {
+          result.exception_ = exceptionBuilder_.build();
+        }
+        if (((from_bitField0_ & 0x00000400) == 0x00000400)) {
+          to_bitField0_ |= 0x00000200;
+        }
+        result.result_ = result_;
+        if (((from_bitField0_ & 0x00000800) == 0x00000800)) {
+          to_bitField0_ |= 0x00000400;
+        }
+        result.stateData_ = stateData_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure.getDefaultInstance()) return this;
+        if (other.hasClassName()) {
+          bitField0_ |= 0x00000001;
+          className_ = other.className_;
+          onChanged();
+        }
+        if (other.hasParentId()) {
+          setParentId(other.getParentId());
+        }
+        if (other.hasProcId()) {
+          setProcId(other.getProcId());
+        }
+        if (other.hasStartTime()) {
+          setStartTime(other.getStartTime());
+        }
+        if (other.hasOwner()) {
+          bitField0_ |= 0x00000010;
+          owner_ = other.owner_;
+          onChanged();
+        }
+        if (other.hasState()) {
+          setState(other.getState());
+        }
+        if (!other.stackId_.isEmpty()) {
+          if (stackId_.isEmpty()) {
+            stackId_ = other.stackId_;
+            bitField0_ = (bitField0_ & ~0x00000040);
+          } else {
+            ensureStackIdIsMutable();
+            stackId_.addAll(other.stackId_);
+          }
+          onChanged();
+        }
+        if (other.hasLastUpdate()) {
+          setLastUpdate(other.getLastUpdate());
+        }
+        if (other.hasTimeout()) {
+          setTimeout(other.getTimeout());
+        }
+        if (other.hasException()) {
+          mergeException(other.getException());
+        }
+        if (other.hasResult()) {
+          setResult(other.getResult());
+        }
+        if (other.hasStateData()) {
+          setStateData(other.getStateData());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasClassName()) {
+          
+          return false;
+        }
+        if (!hasProcId()) {
+          
+          return false;
+        }
+        if (!hasStartTime()) {
+          
+          return false;
+        }
+        if (!hasState()) {
+          
+          return false;
+        }
+        if (!hasLastUpdate()) {
+          
+          return false;
+        }
+        return true;
+      }
+
+      public Builder mergeFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws java.io.IOException {
+        org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure parsedMessage = null;
+        try {
+          parsedMessage = PARSER.parsePartialFrom(input, extensionRegistry);
+        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+          parsedMessage = (org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.Procedure) e.getUnfinishedMessage();
+          throw e;
+        } finally {
+          if (parsedMessage != null) {
+            mergeFrom(parsedMessage);
+          }
+        }
+        return this;
+      }
+      private int bitField0_;
+
+      // required string class_name = 1;
+      private java.lang.Object className_ = "";
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public boolean hasClassName() {
+        return ((bitField0_ & 0x00000001) == 0x00000001);
+      }
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public java.lang.String getClassName() {
+        java.lang.Object ref = className_;
+        if (!(ref instanceof java.lang.String)) {
+          java.lang.String s = ((com.google.protobuf.ByteString) ref)
+              .toStringUtf8();
+          className_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public com.google.protobuf.ByteString
+          getClassNameBytes() {
+        java.lang.Object ref = className_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          className_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public Builder setClassName(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        className_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public Builder clearClassName() {
+        bitField0_ = (bitField0_ & ~0x00000001);
+        className_ = getDefaultInstance().getClassName();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required string class_name = 1;</code>
+       *
+       * <pre>
+       * internal "static" state
+       * </pre>
+       */
+      public Builder setClassNameBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000001;
+        className_ = value;
+        onChanged();
+        return this;
+      }
+
+      // optional uint64 parent_id = 2;
+      private long parentId_ ;
+      /**
+       * <code>optional uint64 parent_id = 2;</code>
+       *
+       * <pre>
+       * parent if not a root-procedure otherwise not set
+       * </pre>
+       */
+      public boolean hasParentId() {
+        return ((bitField0_ & 0x00000002) == 0x00000002);
+      }
+      /**
+       * <code>optional uint64 parent_id = 2;</code>
+       *
+       * <pre>
+       * parent if not a root-procedure otherwise not set
+       * </pre>
+       */
+      public long getParentId() {
+        return parentId_;
+      }
+      /**
+       * <code>optional uint64 parent_id = 2;</code>
+       *
+       * <pre>
+       * parent if not a root-procedure otherwise not set
+       * </pre>
+       */
+      public Builder setParentId(long value) {
+        bitField0_ |= 0x00000002;
+        parentId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional uint64 parent_id = 2;</code>
+       *
+       * <pre>
+       * parent if not a root-procedure otherwise not set
+       * </pre>
+       */
+      public Builder clearParentId() {
+        bitField0_ = (bitField0_ & ~0x00000002);
+        parentId_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // required uint64 proc_id = 3;
+      private long procId_ ;
+      /**
+       * <code>required uint64 proc_id = 3;</code>
+       */
+      public boolean hasProcId() {
+        return ((bitField0_ & 0x00000004) == 0x00000004);
+      }
+      /**
+       * <code>required uint64 proc_id = 3;</code>
+       */
+      public long getProcId() {
+        return procId_;
+      }
+      /**
+       * <code>required uint64 proc_id = 3;</code>
+       */
+      public Builder setProcId(long value) {
+        bitField0_ |= 0x00000004;
+        procId_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required uint64 proc_id = 3;</code>
+       */
+      public Builder clearProcId() {
+        bitField0_ = (bitField0_ & ~0x00000004);
+        procId_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // required uint64 start_time = 4;
+      private long startTime_ ;
+      /**
+       * <code>required uint64 start_time = 4;</code>
+       */
+      public boolean hasStartTime() {
+        return ((bitField0_ & 0x00000008) == 0x00000008);
+      }
+      /**
+       * <code>required uint64 start_time = 4;</code>
+       */
+      public long getStartTime() {
+        return startTime_;
+      }
+      /**
+       * <code>required uint64 start_time = 4;</code>
+       */
+      public Builder setStartTime(long value) {
+        bitField0_ |= 0x00000008;
+        startTime_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required uint64 start_time = 4;</code>
+       */
+      public Builder clearStartTime() {
+        bitField0_ = (bitField0_ & ~0x00000008);
+        startTime_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // optional string owner = 5;
+      private java.lang.Object owner_ = "";
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public boolean hasOwner() {
+        return ((bitField0_ & 0x00000010) == 0x00000010);
+      }
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public java.lang.String getOwner() {
+        java.lang.Object ref = owner_;
+        if (!(ref instanceof java.lang.String)) {
+          java.lang.String s = ((com.google.protobuf.ByteString) ref)
+              .toStringUtf8();
+          owner_ = s;
+          return s;
+        } else {
+          return (java.lang.String) ref;
+        }
+      }
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public com.google.protobuf.ByteString
+          getOwnerBytes() {
+        java.lang.Object ref = owner_;
+        if (ref instanceof String) {
+          com.google.protobuf.ByteString b = 
+              com.google.protobuf.ByteString.copyFromUtf8(
+                  (java.lang.String) ref);
+          owner_ = b;
+          return b;
+        } else {
+          return (com.google.protobuf.ByteString) ref;
+        }
+      }
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public Builder setOwner(
+          java.lang.String value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000010;
+        owner_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public Builder clearOwner() {
+        bitField0_ = (bitField0_ & ~0x00000010);
+        owner_ = getDefaultInstance().getOwner();
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional string owner = 5;</code>
+       */
+      public Builder setOwnerBytes(
+          com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000010;
+        owner_ = value;
+        onChanged();
+        return this;
+      }
+
+      // required .ProcedureState state = 6;
+      private org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState state_ = org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState.INITIALIZING;
+      /**
+       * <code>required .ProcedureState state = 6;</code>
+       *
+       * <pre>
+       * internal "runtime" state
+       * </pre>
+       */
+      public boolean hasState() {
+        return ((bitField0_ & 0x00000020) == 0x00000020);
+      }
+      /**
+       * <code>required .ProcedureState state = 6;</code>
+       *
+       * <pre>
+       * internal "runtime" state
+       * </pre>
+       */
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState getState() {
+        return state_;
+      }
+      /**
+       * <code>required .ProcedureState state = 6;</code>
+       *
+       * <pre>
+       * internal "runtime" state
+       * </pre>
+       */
+      public Builder setState(org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState value) {
+        if (value == null) {
+          throw new NullPointerException();
+        }
+        bitField0_ |= 0x00000020;
+        state_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required .ProcedureState state = 6;</code>
+       *
+       * <pre>
+       * internal "runtime" state
+       * </pre>
+       */
+      public Builder clearState() {
+        bitField0_ = (bitField0_ & ~0x00000020);
+        state_ = org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.ProcedureState.INITIALIZING;
+        onChanged();
+        return this;
+      }
+
+      // repeated uint32 stack_id = 7;
+      private java.util.List<java.lang.Integer> stackId_ = java.util.Collections.emptyList();
+      private void ensureStackIdIsMutable() {
+        if (!((bitField0_ & 0x00000040) == 0x00000040)) {
+          stackId_ = new java.util.ArrayList<java.lang.Integer>(stackId_);
+          bitField0_ |= 0x00000040;
+         }
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public java.util.List<java.lang.Integer>
+          getStackIdList() {
+        return java.util.Collections.unmodifiableList(stackId_);
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public int getStackIdCount() {
+        return stackId_.size();
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public int getStackId(int index) {
+        return stackId_.get(index);
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public Builder setStackId(
+          int index, int value) {
+        ensureStackIdIsMutable();
+        stackId_.set(index, value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public Builder addStackId(int value) {
+        ensureStackIdIsMutable();
+        stackId_.add(value);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public Builder addAllStackId(
+          java.lang.Iterable<? extends java.lang.Integer> values) {
+        ensureStackIdIsMutable();
+        super.addAll(values, stackId_);
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>repeated uint32 stack_id = 7;</code>
+       *
+       * <pre>
+       * stack indices in case the procedure was running
+       * </pre>
+       */
+      public Builder clearStackId() {
+        stackId_ = java.util.Collections.emptyList();
+        bitField0_ = (bitField0_ & ~0x00000040);
+        onChanged();
+        return this;
+      }
+
+      // required uint64 last_update = 8;
+      private long lastUpdate_ ;
+      /**
+       * <code>required uint64 last_update = 8;</code>
+       */
+      public boolean hasLastUpdate() {
+        return ((bitField0_ & 0x00000080) == 0x00000080);
+      }
+      /**
+       * <code>required uint64 last_update = 8;</code>
+       */
+      public long getLastUpdate() {
+        return lastUpdate_;
+      }
+      /**
+       * <code>required uint64 last_update = 8;</code>
+       */
+      public Builder setLastUpdate(long value) {
+        bitField0_ |= 0x00000080;
+        lastUpdate_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>required uint64 last_update = 8;</code>
+       */
+      public Builder clearLastUpdate() {
+        bitField0_ = (bitField0_ & ~0x00000080);
+        lastUpdate_ = 0L;
+        onChanged();
+        return this;
+      }
+
+      // optional uint32 timeout = 9;
+      private int timeout_ ;
+      /**
+       * <code>optional uint32 timeout = 9;</code>
+       */
+      public boolean hasTimeout() {
+        return ((bitField0_ & 0x00000100) == 0x00000100);
+      }
+      /**
+       * <code>optional uint32 timeout = 9;</code>
+       */
+      public int getTimeout() {
+        return timeout_;
+      }
+      /**
+       * <code>optional uint32 timeout = 9;</code>
+       */
+      public Builder setTimeout(int value) {
+        bitField0_ |= 0x00000100;
+        timeout_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional uint32 timeout = 9;</code>
+       */
+      public Builder clearTimeout() {
+        bitField0_ = (bitField0_ & ~0x00000100);
+        timeout_ = 0;
+        onChanged();
+        return this;
+      }
+
+      // optional .ForeignExceptionMessage exception = 10;
+      private org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage exception_ = org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.getDefaultInstance();
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder> exceptionBuilder_;
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public boolean hasException() {
+        return ((bitField0_ & 0x00000200) == 0x00000200);
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage getException() {
+        if (exceptionBuilder_ == null) {
+          return exception_;
+        } else {
+          return exceptionBuilder_.getMessage();
+        }
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public Builder setException(org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage value) {
+        if (exceptionBuilder_ == null) {
+          if (value == null) {
+            throw new NullPointerException();
+          }
+          exception_ = value;
+          onChanged();
+        } else {
+          exceptionBuilder_.setMessage(value);
+        }
+        bitField0_ |= 0x00000200;
+        return this;
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public Builder setException(
+          org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder builderForValue) {
+        if (exceptionBuilder_ == null) {
+          exception_ = builderForValue.build();
+          onChanged();
+        } else {
+          exceptionBuilder_.setMessage(builderForValue.build());
+        }
+        bitField0_ |= 0x00000200;
+        return this;
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public Builder mergeException(org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage value) {
+        if (exceptionBuilder_ == null) {
+          if (((bitField0_ & 0x00000200) == 0x00000200) &&
+              exception_ != org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.getDefaultInstance()) {
+            exception_ =
+              org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.newBuilder(exception_).mergeFrom(value).buildPartial();
+          } else {
+            exception_ = value;
+          }
+          onChanged();
+        } else {
+          exceptionBuilder_.mergeFrom(value);
+        }
+        bitField0_ |= 0x00000200;
+        return this;
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public Builder clearException() {
+        if (exceptionBuilder_ == null) {
+          exception_ = org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.getDefaultInstance();
+          onChanged();
+        } else {
+          exceptionBuilder_.clear();
+        }
+        bitField0_ = (bitField0_ & ~0x00000200);
+        return this;
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder getExceptionBuilder() {
+        bitField0_ |= 0x00000200;
+        onChanged();
+        return getExceptionFieldBuilder().getBuilder();
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      public org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder getExceptionOrBuilder() {
+        if (exceptionBuilder_ != null) {
+          return exceptionBuilder_.getMessageOrBuilder();
+        } else {
+          return exception_;
+        }
+      }
+      /**
+       * <code>optional .ForeignExceptionMessage exception = 10;</code>
+       *
+       * <pre>
+       * user state/results
+       * </pre>
+       */
+      private com.google.protobuf.SingleFieldBuilder<
+          org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder> 
+          getExceptionFieldBuilder() {
+        if (exceptionBuilder_ == null) {
+          exceptionBuilder_ = new com.google.protobuf.SingleFieldBuilder<
+              org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessage.Builder, org.apache.hadoop.hbase.protobuf.generated.ErrorHandlingProtos.ForeignExceptionMessageOrBuilder>(
+                  exception_,
+                  getParentForChildren(),
+                  isClean());
+          exception_ = null;
+        }
+        return exceptionBuilder_;
+      }
+
+      // optional bytes result = 11;
+      private com.google.protobuf.ByteString result_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>optional bytes result = 11;</code>
+       *
+       * <pre>
+       * opaque (user) result structure
+       * </pre>
+       */
+      public boolean hasResult() {
+        return ((bitField0_ & 0x00000400) == 0x00000400);
+      }
+      /**
+       * <code>optional bytes result = 11;</code>
+       *
+       * <pre>
+       * opaque (user) result structure
+       * </pre>
+       */
+      public com.google.protobuf.ByteString getResult() {
+        return result_;
+      }
+      /**
+       * <code>optional bytes result = 11;</code>
+       *
+       * <pre>
+       * opaque (user) result structure
+       * </pre>
+       */
+      public Builder setResult(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000400;
+        result_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bytes result = 11;</code>
+       *
+       * <pre>
+       * opaque (user) result structure
+       * </pre>
+       */
+      public Builder clearResult() {
+        bitField0_ = (bitField0_ & ~0x00000400);
+        result_ = getDefaultInstance().getResult();
+        onChanged();
+        return this;
+      }
+
+      // optional bytes state_data = 12;
+      private com.google.protobuf.ByteString stateData_ = com.google.protobuf.ByteString.EMPTY;
+      /**
+       * <code>optional bytes state_data = 12;</code>
+       *
+       * <pre>
+       * opaque (user) procedure internal-state
+       * </pre>
+       */
+      public boolean hasStateData() {
+        return ((bitField0_ & 0x00000800) == 0x00000800);
+      }
+      /**
+       * <code>optional bytes state_data = 12;</code>
+       *
+       * <pre>
+       * opaque (user) procedure internal-state
+       * </pre>
+       */
+      public com.google.protobuf.ByteString getStateData() {
+        return stateData_;
+      }
+      /**
+       * <code>optional bytes state_data = 12;</code>
+       *
+       * <pre>
+       * opaque (user) procedure internal-state
+       * </pre>
+       */
+      public Builder setStateData(com.google.protobuf.ByteString value) {
+        if (value == null) {
+    throw new NullPointerException();
+  }
+  bitField0_ |= 0x00000800;
+        stateData_ = value;
+        onChanged();
+        return this;
+      }
+      /**
+       * <code>optional bytes state_data = 12;</code>
+       *
+       * <pre>
+       * opaque (user) procedure internal-state
+       * </pre>
+       */
+      public Builder clearStateData() {
+        bitField0_ = (bitField0_ & ~0x00000800);
+        stateData_ = getDefaultInstance().getStateData();
+        onChanged();
+        return this;
+      }
+
+      // @@protoc_insertion_point(builder_scope:Procedure)
+    }
+
+    static {
+      defaultInstance = new Procedure(true);
+      defaultInstance.initFields();
+    }
+
+    // @@protoc_insertion_point(class_scope:Procedure)
+  }
+
+  public interface SequentialProcedureDataOrBuilder
+      extends com.google.protobuf.MessageOrBuilder {
+
+    // required bool executed = 1;
+    /**
+     * <code>required bool executed = 1;</code>
+     */
+    boolean hasExecuted();
+    /**
+     * <code>required bool executed = 1;</code>
+     */
+    boolean getExecuted();
+  }
+  /**
+   * Protobuf type {@code SequentialProcedureData}
+   *
+   * <pre>
+   **
+   * SequentialProcedure data
+   * </pre>
+   */
+  public static final class SequentialProcedureData extends
+      com.google.protobuf.GeneratedMessage
+      implements SequentialProcedureDataOrBuilder {
+    // Use SequentialProcedureData.newBuilder() to construct.
+    private SequentialProcedureData(com.google.protobuf.GeneratedMessage.Builder<?> builder) {
+      super(builder);
+      this.unknownFields = builder.getUnknownFields();
+    }
+    private SequentialProcedureData(boolean noInit) { this.unknownFields = com.google.protobuf.UnknownFieldSet.getDefaultInstance(); }
+
+    private static final SequentialProcedureData defaultInstance;
+    public static SequentialProcedureData getDefaultInstance() {
+      return defaultInstance;
+    }
+
+    public SequentialProcedureData getDefaultInstanceForType() {
+      return defaultInstance;
+    }
+
+    private final com.google.protobuf.UnknownFieldSet unknownFields;
+    @java.lang.Override
+    public final com.google.protobuf.UnknownFieldSet
+        getUnknownFields() {
+      return this.unknownFields;
+    }
+    private SequentialProcedureData(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      initFields();
+      int mutable_bitField0_ = 0;
+      com.google.protobuf.UnknownFieldSet.Builder unknownFields =
+          com.google.protobuf.UnknownFieldSet.newBuilder();
+      try {
+        boolean done = false;
+        while (!done) {
+          int tag = input.readTag();
+          switch (tag) {
+            case 0:
+              done = true;
+              break;
+            default: {
+              if (!parseUnknownField(input, unknownFields,
+                                     extensionRegistry, tag)) {
+                done = true;
+              }
+              break;
+            }
+            case 8: {
+              bitField0_ |= 0x00000001;
+              executed_ = input.readBool();
+              break;
+            }
+          }
+        }
+      } catch (com.google.protobuf.InvalidProtocolBufferException e) {
+        throw e.setUnfinishedMessage(this);
+      } catch (java.io.IOException e) {
+        throw new com.google.protobuf.InvalidProtocolBufferException(
+            e.getMessage()).setUnfinishedMessage(this);
+      } finally {
+        this.unknownFields = unknownFields.build();
+        makeExtensionsImmutable();
+      }
+    }
+    public static final com.google.protobuf.Descriptors.Descriptor
+        getDescriptor() {
+      return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_SequentialProcedureData_descriptor;
+    }
+
+    protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+        internalGetFieldAccessorTable() {
+      return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_SequentialProcedureData_fieldAccessorTable
+          .ensureFieldAccessorsInitialized(
+              org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.class, org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.Builder.class);
+    }
+
+    public static com.google.protobuf.Parser<SequentialProcedureData> PARSER =
+        new com.google.protobuf.AbstractParser<SequentialProcedureData>() {
+      public SequentialProcedureData parsePartialFrom(
+          com.google.protobuf.CodedInputStream input,
+          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+          throws com.google.protobuf.InvalidProtocolBufferException {
+        return new SequentialProcedureData(input, extensionRegistry);
+      }
+    };
+
+    @java.lang.Override
+    public com.google.protobuf.Parser<SequentialProcedureData> getParserForType() {
+      return PARSER;
+    }
+
+    private int bitField0_;
+    // required bool executed = 1;
+    public static final int EXECUTED_FIELD_NUMBER = 1;
+    private boolean executed_;
+    /**
+     * <code>required bool executed = 1;</code>
+     */
+    public boolean hasExecuted() {
+      return ((bitField0_ & 0x00000001) == 0x00000001);
+    }
+    /**
+     * <code>required bool executed = 1;</code>
+     */
+    public boolean getExecuted() {
+      return executed_;
+    }
+
+    private void initFields() {
+      executed_ = false;
+    }
+    private byte memoizedIsInitialized = -1;
+    public final boolean isInitialized() {
+      byte isInitialized = memoizedIsInitialized;
+      if (isInitialized != -1) return isInitialized == 1;
+
+      if (!hasExecuted()) {
+        memoizedIsInitialized = 0;
+        return false;
+      }
+      memoizedIsInitialized = 1;
+      return true;
+    }
+
+    public void writeTo(com.google.protobuf.CodedOutputStream output)
+                        throws java.io.IOException {
+      getSerializedSize();
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        output.writeBool(1, executed_);
+      }
+      getUnknownFields().writeTo(output);
+    }
+
+    private int memoizedSerializedSize = -1;
+    public int getSerializedSize() {
+      int size = memoizedSerializedSize;
+      if (size != -1) return size;
+
+      size = 0;
+      if (((bitField0_ & 0x00000001) == 0x00000001)) {
+        size += com.google.protobuf.CodedOutputStream
+          .computeBoolSize(1, executed_);
+      }
+      size += getUnknownFields().getSerializedSize();
+      memoizedSerializedSize = size;
+      return size;
+    }
+
+    private static final long serialVersionUID = 0L;
+    @java.lang.Override
+    protected java.lang.Object writeReplace()
+        throws java.io.ObjectStreamException {
+      return super.writeReplace();
+    }
+
+    @java.lang.Override
+    public boolean equals(final java.lang.Object obj) {
+      if (obj == this) {
+       return true;
+      }
+      if (!(obj instanceof org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData)) {
+        return super.equals(obj);
+      }
+      org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData other = (org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData) obj;
+
+      boolean result = true;
+      result = result && (hasExecuted() == other.hasExecuted());
+      if (hasExecuted()) {
+        result = result && (getExecuted()
+            == other.getExecuted());
+      }
+      result = result &&
+          getUnknownFields().equals(other.getUnknownFields());
+      return result;
+    }
+
+    private int memoizedHashCode = 0;
+    @java.lang.Override
+    public int hashCode() {
+      if (memoizedHashCode != 0) {
+        return memoizedHashCode;
+      }
+      int hash = 41;
+      hash = (19 * hash) + getDescriptorForType().hashCode();
+      if (hasExecuted()) {
+        hash = (37 * hash) + EXECUTED_FIELD_NUMBER;
+        hash = (53 * hash) + hashBoolean(getExecuted());
+      }
+      hash = (29 * hash) + getUnknownFields().hashCode();
+      memoizedHashCode = hash;
+      return hash;
+    }
+
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        com.google.protobuf.ByteString data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        com.google.protobuf.ByteString data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(byte[] data)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        byte[] data,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws com.google.protobuf.InvalidProtocolBufferException {
+      return PARSER.parseFrom(data, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseDelimitedFrom(java.io.InputStream input)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseDelimitedFrom(
+        java.io.InputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseDelimitedFrom(input, extensionRegistry);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        com.google.protobuf.CodedInputStream input)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input);
+    }
+    public static org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData parseFrom(
+        com.google.protobuf.CodedInputStream input,
+        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
+        throws java.io.IOException {
+      return PARSER.parseFrom(input, extensionRegistry);
+    }
+
+    public static Builder newBuilder() { return Builder.create(); }
+    public Builder newBuilderForType() { return newBuilder(); }
+    public static Builder newBuilder(org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData prototype) {
+      return newBuilder().mergeFrom(prototype);
+    }
+    public Builder toBuilder() { return newBuilder(this); }
+
+    @java.lang.Override
+    protected Builder newBuilderForType(
+        com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+      Builder builder = new Builder(parent);
+      return builder;
+    }
+    /**
+     * Protobuf type {@code SequentialProcedureData}
+     *
+     * <pre>
+     **
+     * SequentialProcedure data
+     * </pre>
+     */
+    public static final class Builder extends
+        com.google.protobuf.GeneratedMessage.Builder<Builder>
+       implements org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureDataOrBuilder {
+      public static final com.google.protobuf.Descriptors.Descriptor
+          getDescriptor() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_SequentialProcedureData_descriptor;
+      }
+
+      protected com.google.protobuf.GeneratedMessage.FieldAccessorTable
+          internalGetFieldAccessorTable() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_SequentialProcedureData_fieldAccessorTable
+            .ensureFieldAccessorsInitialized(
+                org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.class, org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.Builder.class);
+      }
+
+      // Construct using org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.newBuilder()
+      private Builder() {
+        maybeForceBuilderInitialization();
+      }
+
+      private Builder(
+          com.google.protobuf.GeneratedMessage.BuilderParent parent) {
+        super(parent);
+        maybeForceBuilderInitialization();
+      }
+      private void maybeForceBuilderInitialization() {
+        if (com.google.protobuf.GeneratedMessage.alwaysUseFieldBuilders) {
+        }
+      }
+      private static Builder create() {
+        return new Builder();
+      }
+
+      public Builder clear() {
+        super.clear();
+        executed_ = false;
+        bitField0_ = (bitField0_ & ~0x00000001);
+        return this;
+      }
+
+      public Builder clone() {
+        return create().mergeFrom(buildPartial());
+      }
+
+      public com.google.protobuf.Descriptors.Descriptor
+          getDescriptorForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.internal_static_SequentialProcedureData_descriptor;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData getDefaultInstanceForType() {
+        return org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.getDefaultInstance();
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData build() {
+        org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData result = buildPartial();
+        if (!result.isInitialized()) {
+          throw newUninitializedMessageException(result);
+        }
+        return result;
+      }
+
+      public org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData buildPartial() {
+        org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData result = new org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData(this);
+        int from_bitField0_ = bitField0_;
+        int to_bitField0_ = 0;
+        if (((from_bitField0_ & 0x00000001) == 0x00000001)) {
+          to_bitField0_ |= 0x00000001;
+        }
+        result.executed_ = executed_;
+        result.bitField0_ = to_bitField0_;
+        onBuilt();
+        return result;
+      }
+
+      public Builder mergeFrom(com.google.protobuf.Message other) {
+        if (other instanceof org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData) {
+          return mergeFrom((org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData)other);
+        } else {
+          super.mergeFrom(other);
+          return this;
+        }
+      }
+
+      public Builder mergeFrom(org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData other) {
+        if (other == org.apache.hadoop.hbase.protobuf.generated.ProcedureProtos.SequentialProcedureData.getDefaultInstance()) return this;
+        if (other.hasExecuted()) {
+          setExecuted(other.getExecuted());
+        }
+        this.mergeUnknownFields(other.getUnknownFields());
+        return this;
+      }
+
+      public final boolean isInitialized() {
+        if (!hasExecuted()) {
+          
+          return false;
+        }
+        return tr

<TRUNCATED>