[10/13] zeppelin git commit: ZEPPELIN-2035. BI directional RPC framework between ZeppelinServer and InterpreterProcess on top of thrift

[zj...@apache.org]

http://git-wip-us.apache.org/repos/asf/zeppelin/blob/7af86168/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputAppendEvent.java
----------------------------------------------------------------------
diff --git a/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputAppendEvent.java b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputAppendEvent.java
new file mode 100644
index 0000000..b0fb279
--- /dev/null
+++ b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputAppendEvent.java
@@ -0,0 +1,833 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.zeppelin.interpreter.thrift;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import javax.annotation.Generated;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
+@Generated(value = "Autogenerated by Thrift Compiler (0.9.2)", date = "2018-5-29")
+public class AppOutputAppendEvent implements org.apache.thrift.TBase<AppOutputAppendEvent, AppOutputAppendEvent._Fields>, java.io.Serializable, Cloneable, Comparable<AppOutputAppendEvent> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("AppOutputAppendEvent");
+
+  private static final org.apache.thrift.protocol.TField NOTE_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("noteId", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField PARAGRAPH_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("paragraphId", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField APP_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("appId", org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField INDEX_FIELD_DESC = new org.apache.thrift.protocol.TField("index", org.apache.thrift.protocol.TType.I32, (short)4);
+  private static final org.apache.thrift.protocol.TField DATA_FIELD_DESC = new org.apache.thrift.protocol.TField("data", org.apache.thrift.protocol.TType.STRING, (short)5);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new AppOutputAppendEventStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new AppOutputAppendEventTupleSchemeFactory());
+  }
+
+  public String noteId; // required
+  public String paragraphId; // required
+  public String appId; // required
+  public int index; // required
+  public String data; // required
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    NOTE_ID((short)1, "noteId"),
+    PARAGRAPH_ID((short)2, "paragraphId"),
+    APP_ID((short)3, "appId"),
+    INDEX((short)4, "index"),
+    DATA((short)5, "data");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // NOTE_ID
+          return NOTE_ID;
+        case 2: // PARAGRAPH_ID
+          return PARAGRAPH_ID;
+        case 3: // APP_ID
+          return APP_ID;
+        case 4: // INDEX
+          return INDEX;
+        case 5: // DATA
+          return DATA;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __INDEX_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.NOTE_ID, new org.apache.thrift.meta_data.FieldMetaData("noteId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PARAGRAPH_ID, new org.apache.thrift.meta_data.FieldMetaData("paragraphId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.APP_ID, new org.apache.thrift.meta_data.FieldMetaData("appId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.INDEX, new org.apache.thrift.meta_data.FieldMetaData("index", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
+    tmpMap.put(_Fields.DATA, new org.apache.thrift.meta_data.FieldMetaData("data", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(AppOutputAppendEvent.class, metaDataMap);
+  }
+
+  public AppOutputAppendEvent() {
+  }
+
+  public AppOutputAppendEvent(
+    String noteId,
+    String paragraphId,
+    String appId,
+    int index,
+    String data)
+  {
+    this();
+    this.noteId = noteId;
+    this.paragraphId = paragraphId;
+    this.appId = appId;
+    this.index = index;
+    setIndexIsSet(true);
+    this.data = data;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public AppOutputAppendEvent(AppOutputAppendEvent other) {
+    __isset_bitfield = other.__isset_bitfield;
+    if (other.isSetNoteId()) {
+      this.noteId = other.noteId;
+    }
+    if (other.isSetParagraphId()) {
+      this.paragraphId = other.paragraphId;
+    }
+    if (other.isSetAppId()) {
+      this.appId = other.appId;
+    }
+    this.index = other.index;
+    if (other.isSetData()) {
+      this.data = other.data;
+    }
+  }
+
+  public AppOutputAppendEvent deepCopy() {
+    return new AppOutputAppendEvent(this);
+  }
+
+  @Override
+  public void clear() {
+    this.noteId = null;
+    this.paragraphId = null;
+    this.appId = null;
+    setIndexIsSet(false);
+    this.index = 0;
+    this.data = null;
+  }
+
+  public String getNoteId() {
+    return this.noteId;
+  }
+
+  public AppOutputAppendEvent setNoteId(String noteId) {
+    this.noteId = noteId;
+    return this;
+  }
+
+  public void unsetNoteId() {
+    this.noteId = null;
+  }
+
+  /** Returns true if field noteId is set (has been assigned a value) and false otherwise */
+  public boolean isSetNoteId() {
+    return this.noteId != null;
+  }
+
+  public void setNoteIdIsSet(boolean value) {
+    if (!value) {
+      this.noteId = null;
+    }
+  }
+
+  public String getParagraphId() {
+    return this.paragraphId;
+  }
+
+  public AppOutputAppendEvent setParagraphId(String paragraphId) {
+    this.paragraphId = paragraphId;
+    return this;
+  }
+
+  public void unsetParagraphId() {
+    this.paragraphId = null;
+  }
+
+  /** Returns true if field paragraphId is set (has been assigned a value) and false otherwise */
+  public boolean isSetParagraphId() {
+    return this.paragraphId != null;
+  }
+
+  public void setParagraphIdIsSet(boolean value) {
+    if (!value) {
+      this.paragraphId = null;
+    }
+  }
+
+  public String getAppId() {
+    return this.appId;
+  }
+
+  public AppOutputAppendEvent setAppId(String appId) {
+    this.appId = appId;
+    return this;
+  }
+
+  public void unsetAppId() {
+    this.appId = null;
+  }
+
+  /** Returns true if field appId is set (has been assigned a value) and false otherwise */
+  public boolean isSetAppId() {
+    return this.appId != null;
+  }
+
+  public void setAppIdIsSet(boolean value) {
+    if (!value) {
+      this.appId = null;
+    }
+  }
+
+  public int getIndex() {
+    return this.index;
+  }
+
+  public AppOutputAppendEvent setIndex(int index) {
+    this.index = index;
+    setIndexIsSet(true);
+    return this;
+  }
+
+  public void unsetIndex() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __INDEX_ISSET_ID);
+  }
+
+  /** Returns true if field index is set (has been assigned a value) and false otherwise */
+  public boolean isSetIndex() {
+    return EncodingUtils.testBit(__isset_bitfield, __INDEX_ISSET_ID);
+  }
+
+  public void setIndexIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __INDEX_ISSET_ID, value);
+  }
+
+  public String getData() {
+    return this.data;
+  }
+
+  public AppOutputAppendEvent setData(String data) {
+    this.data = data;
+    return this;
+  }
+
+  public void unsetData() {
+    this.data = null;
+  }
+
+  /** Returns true if field data is set (has been assigned a value) and false otherwise */
+  public boolean isSetData() {
+    return this.data != null;
+  }
+
+  public void setDataIsSet(boolean value) {
+    if (!value) {
+      this.data = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case NOTE_ID:
+      if (value == null) {
+        unsetNoteId();
+      } else {
+        setNoteId((String)value);
+      }
+      break;
+
+    case PARAGRAPH_ID:
+      if (value == null) {
+        unsetParagraphId();
+      } else {
+        setParagraphId((String)value);
+      }
+      break;
+
+    case APP_ID:
+      if (value == null) {
+        unsetAppId();
+      } else {
+        setAppId((String)value);
+      }
+      break;
+
+    case INDEX:
+      if (value == null) {
+        unsetIndex();
+      } else {
+        setIndex((Integer)value);
+      }
+      break;
+
+    case DATA:
+      if (value == null) {
+        unsetData();
+      } else {
+        setData((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case NOTE_ID:
+      return getNoteId();
+
+    case PARAGRAPH_ID:
+      return getParagraphId();
+
+    case APP_ID:
+      return getAppId();
+
+    case INDEX:
+      return Integer.valueOf(getIndex());
+
+    case DATA:
+      return getData();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case NOTE_ID:
+      return isSetNoteId();
+    case PARAGRAPH_ID:
+      return isSetParagraphId();
+    case APP_ID:
+      return isSetAppId();
+    case INDEX:
+      return isSetIndex();
+    case DATA:
+      return isSetData();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof AppOutputAppendEvent)
+      return this.equals((AppOutputAppendEvent)that);
+    return false;
+  }
+
+  public boolean equals(AppOutputAppendEvent that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_noteId = true && this.isSetNoteId();
+    boolean that_present_noteId = true && that.isSetNoteId();
+    if (this_present_noteId || that_present_noteId) {
+      if (!(this_present_noteId && that_present_noteId))
+        return false;
+      if (!this.noteId.equals(that.noteId))
+        return false;
+    }
+
+    boolean this_present_paragraphId = true && this.isSetParagraphId();
+    boolean that_present_paragraphId = true && that.isSetParagraphId();
+    if (this_present_paragraphId || that_present_paragraphId) {
+      if (!(this_present_paragraphId && that_present_paragraphId))
+        return false;
+      if (!this.paragraphId.equals(that.paragraphId))
+        return false;
+    }
+
+    boolean this_present_appId = true && this.isSetAppId();
+    boolean that_present_appId = true && that.isSetAppId();
+    if (this_present_appId || that_present_appId) {
+      if (!(this_present_appId && that_present_appId))
+        return false;
+      if (!this.appId.equals(that.appId))
+        return false;
+    }
+
+    boolean this_present_index = true;
+    boolean that_present_index = true;
+    if (this_present_index || that_present_index) {
+      if (!(this_present_index && that_present_index))
+        return false;
+      if (this.index != that.index)
+        return false;
+    }
+
+    boolean this_present_data = true && this.isSetData();
+    boolean that_present_data = true && that.isSetData();
+    if (this_present_data || that_present_data) {
+      if (!(this_present_data && that_present_data))
+        return false;
+      if (!this.data.equals(that.data))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_noteId = true && (isSetNoteId());
+    list.add(present_noteId);
+    if (present_noteId)
+      list.add(noteId);
+
+    boolean present_paragraphId = true && (isSetParagraphId());
+    list.add(present_paragraphId);
+    if (present_paragraphId)
+      list.add(paragraphId);
+
+    boolean present_appId = true && (isSetAppId());
+    list.add(present_appId);
+    if (present_appId)
+      list.add(appId);
+
+    boolean present_index = true;
+    list.add(present_index);
+    if (present_index)
+      list.add(index);
+
+    boolean present_data = true && (isSetData());
+    list.add(present_data);
+    if (present_data)
+      list.add(data);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(AppOutputAppendEvent other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetNoteId()).compareTo(other.isSetNoteId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetNoteId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.noteId, other.noteId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetParagraphId()).compareTo(other.isSetParagraphId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetParagraphId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.paragraphId, other.paragraphId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetAppId()).compareTo(other.isSetAppId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetAppId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.appId, other.appId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetIndex()).compareTo(other.isSetIndex());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetIndex()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.index, other.index);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetData()).compareTo(other.isSetData());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetData()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.data, other.data);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("AppOutputAppendEvent(");
+    boolean first = true;
+
+    sb.append("noteId:");
+    if (this.noteId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.noteId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("paragraphId:");
+    if (this.paragraphId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.paragraphId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("appId:");
+    if (this.appId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.appId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("index:");
+    sb.append(this.index);
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("data:");
+    if (this.data == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.data);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class AppOutputAppendEventStandardSchemeFactory implements SchemeFactory {
+    public AppOutputAppendEventStandardScheme getScheme() {
+      return new AppOutputAppendEventStandardScheme();
+    }
+  }
+
+  private static class AppOutputAppendEventStandardScheme extends StandardScheme<AppOutputAppendEvent> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, AppOutputAppendEvent struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // NOTE_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.noteId = iprot.readString();
+              struct.setNoteIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // PARAGRAPH_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.paragraphId = iprot.readString();
+              struct.setParagraphIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // APP_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.appId = iprot.readString();
+              struct.setAppIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // INDEX
+            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
+              struct.index = iprot.readI32();
+              struct.setIndexIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 5: // DATA
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.data = iprot.readString();
+              struct.setDataIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, AppOutputAppendEvent struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.noteId != null) {
+        oprot.writeFieldBegin(NOTE_ID_FIELD_DESC);
+        oprot.writeString(struct.noteId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.paragraphId != null) {
+        oprot.writeFieldBegin(PARAGRAPH_ID_FIELD_DESC);
+        oprot.writeString(struct.paragraphId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.appId != null) {
+        oprot.writeFieldBegin(APP_ID_FIELD_DESC);
+        oprot.writeString(struct.appId);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldBegin(INDEX_FIELD_DESC);
+      oprot.writeI32(struct.index);
+      oprot.writeFieldEnd();
+      if (struct.data != null) {
+        oprot.writeFieldBegin(DATA_FIELD_DESC);
+        oprot.writeString(struct.data);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class AppOutputAppendEventTupleSchemeFactory implements SchemeFactory {
+    public AppOutputAppendEventTupleScheme getScheme() {
+      return new AppOutputAppendEventTupleScheme();
+    }
+  }
+
+  private static class AppOutputAppendEventTupleScheme extends TupleScheme<AppOutputAppendEvent> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, AppOutputAppendEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      BitSet optionals = new BitSet();
+      if (struct.isSetNoteId()) {
+        optionals.set(0);
+      }
+      if (struct.isSetParagraphId()) {
+        optionals.set(1);
+      }
+      if (struct.isSetAppId()) {
+        optionals.set(2);
+      }
+      if (struct.isSetIndex()) {
+        optionals.set(3);
+      }
+      if (struct.isSetData()) {
+        optionals.set(4);
+      }
+      oprot.writeBitSet(optionals, 5);
+      if (struct.isSetNoteId()) {
+        oprot.writeString(struct.noteId);
+      }
+      if (struct.isSetParagraphId()) {
+        oprot.writeString(struct.paragraphId);
+      }
+      if (struct.isSetAppId()) {
+        oprot.writeString(struct.appId);
+      }
+      if (struct.isSetIndex()) {
+        oprot.writeI32(struct.index);
+      }
+      if (struct.isSetData()) {
+        oprot.writeString(struct.data);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, AppOutputAppendEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      BitSet incoming = iprot.readBitSet(5);
+      if (incoming.get(0)) {
+        struct.noteId = iprot.readString();
+        struct.setNoteIdIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.paragraphId = iprot.readString();
+        struct.setParagraphIdIsSet(true);
+      }
+      if (incoming.get(2)) {
+        struct.appId = iprot.readString();
+        struct.setAppIdIsSet(true);
+      }
+      if (incoming.get(3)) {
+        struct.index = iprot.readI32();
+        struct.setIndexIsSet(true);
+      }
+      if (incoming.get(4)) {
+        struct.data = iprot.readString();
+        struct.setDataIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/zeppelin/blob/7af86168/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputUpdateEvent.java
----------------------------------------------------------------------
diff --git a/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputUpdateEvent.java b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputUpdateEvent.java
new file mode 100644
index 0000000..ca44fc8
--- /dev/null
+++ b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppOutputUpdateEvent.java
@@ -0,0 +1,938 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.zeppelin.interpreter.thrift;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import javax.annotation.Generated;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
+@Generated(value = "Autogenerated by Thrift Compiler (0.9.2)", date = "2018-5-29")
+public class AppOutputUpdateEvent implements org.apache.thrift.TBase<AppOutputUpdateEvent, AppOutputUpdateEvent._Fields>, java.io.Serializable, Cloneable, Comparable<AppOutputUpdateEvent> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("AppOutputUpdateEvent");
+
+  private static final org.apache.thrift.protocol.TField NOTE_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("noteId", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField PARAGRAPH_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("paragraphId", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField APP_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("appId", org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField INDEX_FIELD_DESC = new org.apache.thrift.protocol.TField("index", org.apache.thrift.protocol.TType.I32, (short)4);
+  private static final org.apache.thrift.protocol.TField TYPE_FIELD_DESC = new org.apache.thrift.protocol.TField("type", org.apache.thrift.protocol.TType.STRING, (short)5);
+  private static final org.apache.thrift.protocol.TField DATA_FIELD_DESC = new org.apache.thrift.protocol.TField("data", org.apache.thrift.protocol.TType.STRING, (short)6);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new AppOutputUpdateEventStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new AppOutputUpdateEventTupleSchemeFactory());
+  }
+
+  public String noteId; // required
+  public String paragraphId; // required
+  public String appId; // required
+  public int index; // required
+  public String type; // required
+  public String data; // required
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    NOTE_ID((short)1, "noteId"),
+    PARAGRAPH_ID((short)2, "paragraphId"),
+    APP_ID((short)3, "appId"),
+    INDEX((short)4, "index"),
+    TYPE((short)5, "type"),
+    DATA((short)6, "data");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // NOTE_ID
+          return NOTE_ID;
+        case 2: // PARAGRAPH_ID
+          return PARAGRAPH_ID;
+        case 3: // APP_ID
+          return APP_ID;
+        case 4: // INDEX
+          return INDEX;
+        case 5: // TYPE
+          return TYPE;
+        case 6: // DATA
+          return DATA;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  private static final int __INDEX_ISSET_ID = 0;
+  private byte __isset_bitfield = 0;
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.NOTE_ID, new org.apache.thrift.meta_data.FieldMetaData("noteId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PARAGRAPH_ID, new org.apache.thrift.meta_data.FieldMetaData("paragraphId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.APP_ID, new org.apache.thrift.meta_data.FieldMetaData("appId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.INDEX, new org.apache.thrift.meta_data.FieldMetaData("index", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.I32)));
+    tmpMap.put(_Fields.TYPE, new org.apache.thrift.meta_data.FieldMetaData("type", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.DATA, new org.apache.thrift.meta_data.FieldMetaData("data", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(AppOutputUpdateEvent.class, metaDataMap);
+  }
+
+  public AppOutputUpdateEvent() {
+  }
+
+  public AppOutputUpdateEvent(
+    String noteId,
+    String paragraphId,
+    String appId,
+    int index,
+    String type,
+    String data)
+  {
+    this();
+    this.noteId = noteId;
+    this.paragraphId = paragraphId;
+    this.appId = appId;
+    this.index = index;
+    setIndexIsSet(true);
+    this.type = type;
+    this.data = data;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public AppOutputUpdateEvent(AppOutputUpdateEvent other) {
+    __isset_bitfield = other.__isset_bitfield;
+    if (other.isSetNoteId()) {
+      this.noteId = other.noteId;
+    }
+    if (other.isSetParagraphId()) {
+      this.paragraphId = other.paragraphId;
+    }
+    if (other.isSetAppId()) {
+      this.appId = other.appId;
+    }
+    this.index = other.index;
+    if (other.isSetType()) {
+      this.type = other.type;
+    }
+    if (other.isSetData()) {
+      this.data = other.data;
+    }
+  }
+
+  public AppOutputUpdateEvent deepCopy() {
+    return new AppOutputUpdateEvent(this);
+  }
+
+  @Override
+  public void clear() {
+    this.noteId = null;
+    this.paragraphId = null;
+    this.appId = null;
+    setIndexIsSet(false);
+    this.index = 0;
+    this.type = null;
+    this.data = null;
+  }
+
+  public String getNoteId() {
+    return this.noteId;
+  }
+
+  public AppOutputUpdateEvent setNoteId(String noteId) {
+    this.noteId = noteId;
+    return this;
+  }
+
+  public void unsetNoteId() {
+    this.noteId = null;
+  }
+
+  /** Returns true if field noteId is set (has been assigned a value) and false otherwise */
+  public boolean isSetNoteId() {
+    return this.noteId != null;
+  }
+
+  public void setNoteIdIsSet(boolean value) {
+    if (!value) {
+      this.noteId = null;
+    }
+  }
+
+  public String getParagraphId() {
+    return this.paragraphId;
+  }
+
+  public AppOutputUpdateEvent setParagraphId(String paragraphId) {
+    this.paragraphId = paragraphId;
+    return this;
+  }
+
+  public void unsetParagraphId() {
+    this.paragraphId = null;
+  }
+
+  /** Returns true if field paragraphId is set (has been assigned a value) and false otherwise */
+  public boolean isSetParagraphId() {
+    return this.paragraphId != null;
+  }
+
+  public void setParagraphIdIsSet(boolean value) {
+    if (!value) {
+      this.paragraphId = null;
+    }
+  }
+
+  public String getAppId() {
+    return this.appId;
+  }
+
+  public AppOutputUpdateEvent setAppId(String appId) {
+    this.appId = appId;
+    return this;
+  }
+
+  public void unsetAppId() {
+    this.appId = null;
+  }
+
+  /** Returns true if field appId is set (has been assigned a value) and false otherwise */
+  public boolean isSetAppId() {
+    return this.appId != null;
+  }
+
+  public void setAppIdIsSet(boolean value) {
+    if (!value) {
+      this.appId = null;
+    }
+  }
+
+  public int getIndex() {
+    return this.index;
+  }
+
+  public AppOutputUpdateEvent setIndex(int index) {
+    this.index = index;
+    setIndexIsSet(true);
+    return this;
+  }
+
+  public void unsetIndex() {
+    __isset_bitfield = EncodingUtils.clearBit(__isset_bitfield, __INDEX_ISSET_ID);
+  }
+
+  /** Returns true if field index is set (has been assigned a value) and false otherwise */
+  public boolean isSetIndex() {
+    return EncodingUtils.testBit(__isset_bitfield, __INDEX_ISSET_ID);
+  }
+
+  public void setIndexIsSet(boolean value) {
+    __isset_bitfield = EncodingUtils.setBit(__isset_bitfield, __INDEX_ISSET_ID, value);
+  }
+
+  public String getType() {
+    return this.type;
+  }
+
+  public AppOutputUpdateEvent setType(String type) {
+    this.type = type;
+    return this;
+  }
+
+  public void unsetType() {
+    this.type = null;
+  }
+
+  /** Returns true if field type is set (has been assigned a value) and false otherwise */
+  public boolean isSetType() {
+    return this.type != null;
+  }
+
+  public void setTypeIsSet(boolean value) {
+    if (!value) {
+      this.type = null;
+    }
+  }
+
+  public String getData() {
+    return this.data;
+  }
+
+  public AppOutputUpdateEvent setData(String data) {
+    this.data = data;
+    return this;
+  }
+
+  public void unsetData() {
+    this.data = null;
+  }
+
+  /** Returns true if field data is set (has been assigned a value) and false otherwise */
+  public boolean isSetData() {
+    return this.data != null;
+  }
+
+  public void setDataIsSet(boolean value) {
+    if (!value) {
+      this.data = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case NOTE_ID:
+      if (value == null) {
+        unsetNoteId();
+      } else {
+        setNoteId((String)value);
+      }
+      break;
+
+    case PARAGRAPH_ID:
+      if (value == null) {
+        unsetParagraphId();
+      } else {
+        setParagraphId((String)value);
+      }
+      break;
+
+    case APP_ID:
+      if (value == null) {
+        unsetAppId();
+      } else {
+        setAppId((String)value);
+      }
+      break;
+
+    case INDEX:
+      if (value == null) {
+        unsetIndex();
+      } else {
+        setIndex((Integer)value);
+      }
+      break;
+
+    case TYPE:
+      if (value == null) {
+        unsetType();
+      } else {
+        setType((String)value);
+      }
+      break;
+
+    case DATA:
+      if (value == null) {
+        unsetData();
+      } else {
+        setData((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case NOTE_ID:
+      return getNoteId();
+
+    case PARAGRAPH_ID:
+      return getParagraphId();
+
+    case APP_ID:
+      return getAppId();
+
+    case INDEX:
+      return Integer.valueOf(getIndex());
+
+    case TYPE:
+      return getType();
+
+    case DATA:
+      return getData();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case NOTE_ID:
+      return isSetNoteId();
+    case PARAGRAPH_ID:
+      return isSetParagraphId();
+    case APP_ID:
+      return isSetAppId();
+    case INDEX:
+      return isSetIndex();
+    case TYPE:
+      return isSetType();
+    case DATA:
+      return isSetData();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof AppOutputUpdateEvent)
+      return this.equals((AppOutputUpdateEvent)that);
+    return false;
+  }
+
+  public boolean equals(AppOutputUpdateEvent that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_noteId = true && this.isSetNoteId();
+    boolean that_present_noteId = true && that.isSetNoteId();
+    if (this_present_noteId || that_present_noteId) {
+      if (!(this_present_noteId && that_present_noteId))
+        return false;
+      if (!this.noteId.equals(that.noteId))
+        return false;
+    }
+
+    boolean this_present_paragraphId = true && this.isSetParagraphId();
+    boolean that_present_paragraphId = true && that.isSetParagraphId();
+    if (this_present_paragraphId || that_present_paragraphId) {
+      if (!(this_present_paragraphId && that_present_paragraphId))
+        return false;
+      if (!this.paragraphId.equals(that.paragraphId))
+        return false;
+    }
+
+    boolean this_present_appId = true && this.isSetAppId();
+    boolean that_present_appId = true && that.isSetAppId();
+    if (this_present_appId || that_present_appId) {
+      if (!(this_present_appId && that_present_appId))
+        return false;
+      if (!this.appId.equals(that.appId))
+        return false;
+    }
+
+    boolean this_present_index = true;
+    boolean that_present_index = true;
+    if (this_present_index || that_present_index) {
+      if (!(this_present_index && that_present_index))
+        return false;
+      if (this.index != that.index)
+        return false;
+    }
+
+    boolean this_present_type = true && this.isSetType();
+    boolean that_present_type = true && that.isSetType();
+    if (this_present_type || that_present_type) {
+      if (!(this_present_type && that_present_type))
+        return false;
+      if (!this.type.equals(that.type))
+        return false;
+    }
+
+    boolean this_present_data = true && this.isSetData();
+    boolean that_present_data = true && that.isSetData();
+    if (this_present_data || that_present_data) {
+      if (!(this_present_data && that_present_data))
+        return false;
+      if (!this.data.equals(that.data))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_noteId = true && (isSetNoteId());
+    list.add(present_noteId);
+    if (present_noteId)
+      list.add(noteId);
+
+    boolean present_paragraphId = true && (isSetParagraphId());
+    list.add(present_paragraphId);
+    if (present_paragraphId)
+      list.add(paragraphId);
+
+    boolean present_appId = true && (isSetAppId());
+    list.add(present_appId);
+    if (present_appId)
+      list.add(appId);
+
+    boolean present_index = true;
+    list.add(present_index);
+    if (present_index)
+      list.add(index);
+
+    boolean present_type = true && (isSetType());
+    list.add(present_type);
+    if (present_type)
+      list.add(type);
+
+    boolean present_data = true && (isSetData());
+    list.add(present_data);
+    if (present_data)
+      list.add(data);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(AppOutputUpdateEvent other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetNoteId()).compareTo(other.isSetNoteId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetNoteId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.noteId, other.noteId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetParagraphId()).compareTo(other.isSetParagraphId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetParagraphId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.paragraphId, other.paragraphId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetAppId()).compareTo(other.isSetAppId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetAppId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.appId, other.appId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetIndex()).compareTo(other.isSetIndex());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetIndex()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.index, other.index);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetType()).compareTo(other.isSetType());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetType()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.type, other.type);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetData()).compareTo(other.isSetData());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetData()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.data, other.data);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("AppOutputUpdateEvent(");
+    boolean first = true;
+
+    sb.append("noteId:");
+    if (this.noteId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.noteId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("paragraphId:");
+    if (this.paragraphId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.paragraphId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("appId:");
+    if (this.appId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.appId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("index:");
+    sb.append(this.index);
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("type:");
+    if (this.type == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.type);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("data:");
+    if (this.data == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.data);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      // it doesn't seem like you should have to do this, but java serialization is wacky, and doesn't call the default constructor.
+      __isset_bitfield = 0;
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class AppOutputUpdateEventStandardSchemeFactory implements SchemeFactory {
+    public AppOutputUpdateEventStandardScheme getScheme() {
+      return new AppOutputUpdateEventStandardScheme();
+    }
+  }
+
+  private static class AppOutputUpdateEventStandardScheme extends StandardScheme<AppOutputUpdateEvent> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, AppOutputUpdateEvent struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // NOTE_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.noteId = iprot.readString();
+              struct.setNoteIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // PARAGRAPH_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.paragraphId = iprot.readString();
+              struct.setParagraphIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // APP_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.appId = iprot.readString();
+              struct.setAppIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // INDEX
+            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
+              struct.index = iprot.readI32();
+              struct.setIndexIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 5: // TYPE
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.type = iprot.readString();
+              struct.setTypeIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 6: // DATA
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.data = iprot.readString();
+              struct.setDataIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, AppOutputUpdateEvent struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.noteId != null) {
+        oprot.writeFieldBegin(NOTE_ID_FIELD_DESC);
+        oprot.writeString(struct.noteId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.paragraphId != null) {
+        oprot.writeFieldBegin(PARAGRAPH_ID_FIELD_DESC);
+        oprot.writeString(struct.paragraphId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.appId != null) {
+        oprot.writeFieldBegin(APP_ID_FIELD_DESC);
+        oprot.writeString(struct.appId);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldBegin(INDEX_FIELD_DESC);
+      oprot.writeI32(struct.index);
+      oprot.writeFieldEnd();
+      if (struct.type != null) {
+        oprot.writeFieldBegin(TYPE_FIELD_DESC);
+        oprot.writeString(struct.type);
+        oprot.writeFieldEnd();
+      }
+      if (struct.data != null) {
+        oprot.writeFieldBegin(DATA_FIELD_DESC);
+        oprot.writeString(struct.data);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class AppOutputUpdateEventTupleSchemeFactory implements SchemeFactory {
+    public AppOutputUpdateEventTupleScheme getScheme() {
+      return new AppOutputUpdateEventTupleScheme();
+    }
+  }
+
+  private static class AppOutputUpdateEventTupleScheme extends TupleScheme<AppOutputUpdateEvent> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, AppOutputUpdateEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      BitSet optionals = new BitSet();
+      if (struct.isSetNoteId()) {
+        optionals.set(0);
+      }
+      if (struct.isSetParagraphId()) {
+        optionals.set(1);
+      }
+      if (struct.isSetAppId()) {
+        optionals.set(2);
+      }
+      if (struct.isSetIndex()) {
+        optionals.set(3);
+      }
+      if (struct.isSetType()) {
+        optionals.set(4);
+      }
+      if (struct.isSetData()) {
+        optionals.set(5);
+      }
+      oprot.writeBitSet(optionals, 6);
+      if (struct.isSetNoteId()) {
+        oprot.writeString(struct.noteId);
+      }
+      if (struct.isSetParagraphId()) {
+        oprot.writeString(struct.paragraphId);
+      }
+      if (struct.isSetAppId()) {
+        oprot.writeString(struct.appId);
+      }
+      if (struct.isSetIndex()) {
+        oprot.writeI32(struct.index);
+      }
+      if (struct.isSetType()) {
+        oprot.writeString(struct.type);
+      }
+      if (struct.isSetData()) {
+        oprot.writeString(struct.data);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, AppOutputUpdateEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      BitSet incoming = iprot.readBitSet(6);
+      if (incoming.get(0)) {
+        struct.noteId = iprot.readString();
+        struct.setNoteIdIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.paragraphId = iprot.readString();
+        struct.setParagraphIdIsSet(true);
+      }
+      if (incoming.get(2)) {
+        struct.appId = iprot.readString();
+        struct.setAppIdIsSet(true);
+      }
+      if (incoming.get(3)) {
+        struct.index = iprot.readI32();
+        struct.setIndexIsSet(true);
+      }
+      if (incoming.get(4)) {
+        struct.type = iprot.readString();
+        struct.setTypeIsSet(true);
+      }
+      if (incoming.get(5)) {
+        struct.data = iprot.readString();
+        struct.setDataIsSet(true);
+      }
+    }
+  }
+
+}
+

http://git-wip-us.apache.org/repos/asf/zeppelin/blob/7af86168/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppStatusUpdateEvent.java
----------------------------------------------------------------------
diff --git a/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppStatusUpdateEvent.java b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppStatusUpdateEvent.java
new file mode 100644
index 0000000..90de888
--- /dev/null
+++ b/zeppelin-interpreter/src/main/java/org/apache/zeppelin/interpreter/thrift/AppStatusUpdateEvent.java
@@ -0,0 +1,730 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/**
+ * Autogenerated by Thrift Compiler (0.9.2)
+ *
+ * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING
+ *  @generated
+ */
+package org.apache.zeppelin.interpreter.thrift;
+
+import org.apache.thrift.scheme.IScheme;
+import org.apache.thrift.scheme.SchemeFactory;
+import org.apache.thrift.scheme.StandardScheme;
+
+import org.apache.thrift.scheme.TupleScheme;
+import org.apache.thrift.protocol.TTupleProtocol;
+import org.apache.thrift.protocol.TProtocolException;
+import org.apache.thrift.EncodingUtils;
+import org.apache.thrift.TException;
+import org.apache.thrift.async.AsyncMethodCallback;
+import org.apache.thrift.server.AbstractNonblockingServer.*;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.EnumMap;
+import java.util.Set;
+import java.util.HashSet;
+import java.util.EnumSet;
+import java.util.Collections;
+import java.util.BitSet;
+import java.nio.ByteBuffer;
+import java.util.Arrays;
+import javax.annotation.Generated;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+@SuppressWarnings({"cast", "rawtypes", "serial", "unchecked"})
+@Generated(value = "Autogenerated by Thrift Compiler (0.9.2)", date = "2018-5-29")
+public class AppStatusUpdateEvent implements org.apache.thrift.TBase<AppStatusUpdateEvent, AppStatusUpdateEvent._Fields>, java.io.Serializable, Cloneable, Comparable<AppStatusUpdateEvent> {
+  private static final org.apache.thrift.protocol.TStruct STRUCT_DESC = new org.apache.thrift.protocol.TStruct("AppStatusUpdateEvent");
+
+  private static final org.apache.thrift.protocol.TField NOTE_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("noteId", org.apache.thrift.protocol.TType.STRING, (short)1);
+  private static final org.apache.thrift.protocol.TField PARAGRAPH_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("paragraphId", org.apache.thrift.protocol.TType.STRING, (short)2);
+  private static final org.apache.thrift.protocol.TField APP_ID_FIELD_DESC = new org.apache.thrift.protocol.TField("appId", org.apache.thrift.protocol.TType.STRING, (short)3);
+  private static final org.apache.thrift.protocol.TField STATUS_FIELD_DESC = new org.apache.thrift.protocol.TField("status", org.apache.thrift.protocol.TType.STRING, (short)4);
+
+  private static final Map<Class<? extends IScheme>, SchemeFactory> schemes = new HashMap<Class<? extends IScheme>, SchemeFactory>();
+  static {
+    schemes.put(StandardScheme.class, new AppStatusUpdateEventStandardSchemeFactory());
+    schemes.put(TupleScheme.class, new AppStatusUpdateEventTupleSchemeFactory());
+  }
+
+  public String noteId; // required
+  public String paragraphId; // required
+  public String appId; // required
+  public String status; // required
+
+  /** The set of fields this struct contains, along with convenience methods for finding and manipulating them. */
+  public enum _Fields implements org.apache.thrift.TFieldIdEnum {
+    NOTE_ID((short)1, "noteId"),
+    PARAGRAPH_ID((short)2, "paragraphId"),
+    APP_ID((short)3, "appId"),
+    STATUS((short)4, "status");
+
+    private static final Map<String, _Fields> byName = new HashMap<String, _Fields>();
+
+    static {
+      for (_Fields field : EnumSet.allOf(_Fields.class)) {
+        byName.put(field.getFieldName(), field);
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, or null if its not found.
+     */
+    public static _Fields findByThriftId(int fieldId) {
+      switch(fieldId) {
+        case 1: // NOTE_ID
+          return NOTE_ID;
+        case 2: // PARAGRAPH_ID
+          return PARAGRAPH_ID;
+        case 3: // APP_ID
+          return APP_ID;
+        case 4: // STATUS
+          return STATUS;
+        default:
+          return null;
+      }
+    }
+
+    /**
+     * Find the _Fields constant that matches fieldId, throwing an exception
+     * if it is not found.
+     */
+    public static _Fields findByThriftIdOrThrow(int fieldId) {
+      _Fields fields = findByThriftId(fieldId);
+      if (fields == null) throw new IllegalArgumentException("Field " + fieldId + " doesn't exist!");
+      return fields;
+    }
+
+    /**
+     * Find the _Fields constant that matches name, or null if its not found.
+     */
+    public static _Fields findByName(String name) {
+      return byName.get(name);
+    }
+
+    private final short _thriftId;
+    private final String _fieldName;
+
+    _Fields(short thriftId, String fieldName) {
+      _thriftId = thriftId;
+      _fieldName = fieldName;
+    }
+
+    public short getThriftFieldId() {
+      return _thriftId;
+    }
+
+    public String getFieldName() {
+      return _fieldName;
+    }
+  }
+
+  // isset id assignments
+  public static final Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> metaDataMap;
+  static {
+    Map<_Fields, org.apache.thrift.meta_data.FieldMetaData> tmpMap = new EnumMap<_Fields, org.apache.thrift.meta_data.FieldMetaData>(_Fields.class);
+    tmpMap.put(_Fields.NOTE_ID, new org.apache.thrift.meta_data.FieldMetaData("noteId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.PARAGRAPH_ID, new org.apache.thrift.meta_data.FieldMetaData("paragraphId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.APP_ID, new org.apache.thrift.meta_data.FieldMetaData("appId", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    tmpMap.put(_Fields.STATUS, new org.apache.thrift.meta_data.FieldMetaData("status", org.apache.thrift.TFieldRequirementType.DEFAULT, 
+        new org.apache.thrift.meta_data.FieldValueMetaData(org.apache.thrift.protocol.TType.STRING)));
+    metaDataMap = Collections.unmodifiableMap(tmpMap);
+    org.apache.thrift.meta_data.FieldMetaData.addStructMetaDataMap(AppStatusUpdateEvent.class, metaDataMap);
+  }
+
+  public AppStatusUpdateEvent() {
+  }
+
+  public AppStatusUpdateEvent(
+    String noteId,
+    String paragraphId,
+    String appId,
+    String status)
+  {
+    this();
+    this.noteId = noteId;
+    this.paragraphId = paragraphId;
+    this.appId = appId;
+    this.status = status;
+  }
+
+  /**
+   * Performs a deep copy on <i>other</i>.
+   */
+  public AppStatusUpdateEvent(AppStatusUpdateEvent other) {
+    if (other.isSetNoteId()) {
+      this.noteId = other.noteId;
+    }
+    if (other.isSetParagraphId()) {
+      this.paragraphId = other.paragraphId;
+    }
+    if (other.isSetAppId()) {
+      this.appId = other.appId;
+    }
+    if (other.isSetStatus()) {
+      this.status = other.status;
+    }
+  }
+
+  public AppStatusUpdateEvent deepCopy() {
+    return new AppStatusUpdateEvent(this);
+  }
+
+  @Override
+  public void clear() {
+    this.noteId = null;
+    this.paragraphId = null;
+    this.appId = null;
+    this.status = null;
+  }
+
+  public String getNoteId() {
+    return this.noteId;
+  }
+
+  public AppStatusUpdateEvent setNoteId(String noteId) {
+    this.noteId = noteId;
+    return this;
+  }
+
+  public void unsetNoteId() {
+    this.noteId = null;
+  }
+
+  /** Returns true if field noteId is set (has been assigned a value) and false otherwise */
+  public boolean isSetNoteId() {
+    return this.noteId != null;
+  }
+
+  public void setNoteIdIsSet(boolean value) {
+    if (!value) {
+      this.noteId = null;
+    }
+  }
+
+  public String getParagraphId() {
+    return this.paragraphId;
+  }
+
+  public AppStatusUpdateEvent setParagraphId(String paragraphId) {
+    this.paragraphId = paragraphId;
+    return this;
+  }
+
+  public void unsetParagraphId() {
+    this.paragraphId = null;
+  }
+
+  /** Returns true if field paragraphId is set (has been assigned a value) and false otherwise */
+  public boolean isSetParagraphId() {
+    return this.paragraphId != null;
+  }
+
+  public void setParagraphIdIsSet(boolean value) {
+    if (!value) {
+      this.paragraphId = null;
+    }
+  }
+
+  public String getAppId() {
+    return this.appId;
+  }
+
+  public AppStatusUpdateEvent setAppId(String appId) {
+    this.appId = appId;
+    return this;
+  }
+
+  public void unsetAppId() {
+    this.appId = null;
+  }
+
+  /** Returns true if field appId is set (has been assigned a value) and false otherwise */
+  public boolean isSetAppId() {
+    return this.appId != null;
+  }
+
+  public void setAppIdIsSet(boolean value) {
+    if (!value) {
+      this.appId = null;
+    }
+  }
+
+  public String getStatus() {
+    return this.status;
+  }
+
+  public AppStatusUpdateEvent setStatus(String status) {
+    this.status = status;
+    return this;
+  }
+
+  public void unsetStatus() {
+    this.status = null;
+  }
+
+  /** Returns true if field status is set (has been assigned a value) and false otherwise */
+  public boolean isSetStatus() {
+    return this.status != null;
+  }
+
+  public void setStatusIsSet(boolean value) {
+    if (!value) {
+      this.status = null;
+    }
+  }
+
+  public void setFieldValue(_Fields field, Object value) {
+    switch (field) {
+    case NOTE_ID:
+      if (value == null) {
+        unsetNoteId();
+      } else {
+        setNoteId((String)value);
+      }
+      break;
+
+    case PARAGRAPH_ID:
+      if (value == null) {
+        unsetParagraphId();
+      } else {
+        setParagraphId((String)value);
+      }
+      break;
+
+    case APP_ID:
+      if (value == null) {
+        unsetAppId();
+      } else {
+        setAppId((String)value);
+      }
+      break;
+
+    case STATUS:
+      if (value == null) {
+        unsetStatus();
+      } else {
+        setStatus((String)value);
+      }
+      break;
+
+    }
+  }
+
+  public Object getFieldValue(_Fields field) {
+    switch (field) {
+    case NOTE_ID:
+      return getNoteId();
+
+    case PARAGRAPH_ID:
+      return getParagraphId();
+
+    case APP_ID:
+      return getAppId();
+
+    case STATUS:
+      return getStatus();
+
+    }
+    throw new IllegalStateException();
+  }
+
+  /** Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise */
+  public boolean isSet(_Fields field) {
+    if (field == null) {
+      throw new IllegalArgumentException();
+    }
+
+    switch (field) {
+    case NOTE_ID:
+      return isSetNoteId();
+    case PARAGRAPH_ID:
+      return isSetParagraphId();
+    case APP_ID:
+      return isSetAppId();
+    case STATUS:
+      return isSetStatus();
+    }
+    throw new IllegalStateException();
+  }
+
+  @Override
+  public boolean equals(Object that) {
+    if (that == null)
+      return false;
+    if (that instanceof AppStatusUpdateEvent)
+      return this.equals((AppStatusUpdateEvent)that);
+    return false;
+  }
+
+  public boolean equals(AppStatusUpdateEvent that) {
+    if (that == null)
+      return false;
+
+    boolean this_present_noteId = true && this.isSetNoteId();
+    boolean that_present_noteId = true && that.isSetNoteId();
+    if (this_present_noteId || that_present_noteId) {
+      if (!(this_present_noteId && that_present_noteId))
+        return false;
+      if (!this.noteId.equals(that.noteId))
+        return false;
+    }
+
+    boolean this_present_paragraphId = true && this.isSetParagraphId();
+    boolean that_present_paragraphId = true && that.isSetParagraphId();
+    if (this_present_paragraphId || that_present_paragraphId) {
+      if (!(this_present_paragraphId && that_present_paragraphId))
+        return false;
+      if (!this.paragraphId.equals(that.paragraphId))
+        return false;
+    }
+
+    boolean this_present_appId = true && this.isSetAppId();
+    boolean that_present_appId = true && that.isSetAppId();
+    if (this_present_appId || that_present_appId) {
+      if (!(this_present_appId && that_present_appId))
+        return false;
+      if (!this.appId.equals(that.appId))
+        return false;
+    }
+
+    boolean this_present_status = true && this.isSetStatus();
+    boolean that_present_status = true && that.isSetStatus();
+    if (this_present_status || that_present_status) {
+      if (!(this_present_status && that_present_status))
+        return false;
+      if (!this.status.equals(that.status))
+        return false;
+    }
+
+    return true;
+  }
+
+  @Override
+  public int hashCode() {
+    List<Object> list = new ArrayList<Object>();
+
+    boolean present_noteId = true && (isSetNoteId());
+    list.add(present_noteId);
+    if (present_noteId)
+      list.add(noteId);
+
+    boolean present_paragraphId = true && (isSetParagraphId());
+    list.add(present_paragraphId);
+    if (present_paragraphId)
+      list.add(paragraphId);
+
+    boolean present_appId = true && (isSetAppId());
+    list.add(present_appId);
+    if (present_appId)
+      list.add(appId);
+
+    boolean present_status = true && (isSetStatus());
+    list.add(present_status);
+    if (present_status)
+      list.add(status);
+
+    return list.hashCode();
+  }
+
+  @Override
+  public int compareTo(AppStatusUpdateEvent other) {
+    if (!getClass().equals(other.getClass())) {
+      return getClass().getName().compareTo(other.getClass().getName());
+    }
+
+    int lastComparison = 0;
+
+    lastComparison = Boolean.valueOf(isSetNoteId()).compareTo(other.isSetNoteId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetNoteId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.noteId, other.noteId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetParagraphId()).compareTo(other.isSetParagraphId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetParagraphId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.paragraphId, other.paragraphId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetAppId()).compareTo(other.isSetAppId());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetAppId()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.appId, other.appId);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    lastComparison = Boolean.valueOf(isSetStatus()).compareTo(other.isSetStatus());
+    if (lastComparison != 0) {
+      return lastComparison;
+    }
+    if (isSetStatus()) {
+      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.status, other.status);
+      if (lastComparison != 0) {
+        return lastComparison;
+      }
+    }
+    return 0;
+  }
+
+  public _Fields fieldForId(int fieldId) {
+    return _Fields.findByThriftId(fieldId);
+  }
+
+  public void read(org.apache.thrift.protocol.TProtocol iprot) throws org.apache.thrift.TException {
+    schemes.get(iprot.getScheme()).getScheme().read(iprot, this);
+  }
+
+  public void write(org.apache.thrift.protocol.TProtocol oprot) throws org.apache.thrift.TException {
+    schemes.get(oprot.getScheme()).getScheme().write(oprot, this);
+  }
+
+  @Override
+  public String toString() {
+    StringBuilder sb = new StringBuilder("AppStatusUpdateEvent(");
+    boolean first = true;
+
+    sb.append("noteId:");
+    if (this.noteId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.noteId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("paragraphId:");
+    if (this.paragraphId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.paragraphId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("appId:");
+    if (this.appId == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.appId);
+    }
+    first = false;
+    if (!first) sb.append(", ");
+    sb.append("status:");
+    if (this.status == null) {
+      sb.append("null");
+    } else {
+      sb.append(this.status);
+    }
+    first = false;
+    sb.append(")");
+    return sb.toString();
+  }
+
+  public void validate() throws org.apache.thrift.TException {
+    // check for required fields
+    // check for sub-struct validity
+  }
+
+  private void writeObject(java.io.ObjectOutputStream out) throws java.io.IOException {
+    try {
+      write(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(out)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private void readObject(java.io.ObjectInputStream in) throws java.io.IOException, ClassNotFoundException {
+    try {
+      read(new org.apache.thrift.protocol.TCompactProtocol(new org.apache.thrift.transport.TIOStreamTransport(in)));
+    } catch (org.apache.thrift.TException te) {
+      throw new java.io.IOException(te);
+    }
+  }
+
+  private static class AppStatusUpdateEventStandardSchemeFactory implements SchemeFactory {
+    public AppStatusUpdateEventStandardScheme getScheme() {
+      return new AppStatusUpdateEventStandardScheme();
+    }
+  }
+
+  private static class AppStatusUpdateEventStandardScheme extends StandardScheme<AppStatusUpdateEvent> {
+
+    public void read(org.apache.thrift.protocol.TProtocol iprot, AppStatusUpdateEvent struct) throws org.apache.thrift.TException {
+      org.apache.thrift.protocol.TField schemeField;
+      iprot.readStructBegin();
+      while (true)
+      {
+        schemeField = iprot.readFieldBegin();
+        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) { 
+          break;
+        }
+        switch (schemeField.id) {
+          case 1: // NOTE_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.noteId = iprot.readString();
+              struct.setNoteIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 2: // PARAGRAPH_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.paragraphId = iprot.readString();
+              struct.setParagraphIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 3: // APP_ID
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.appId = iprot.readString();
+              struct.setAppIdIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          case 4: // STATUS
+            if (schemeField.type == org.apache.thrift.protocol.TType.STRING) {
+              struct.status = iprot.readString();
+              struct.setStatusIsSet(true);
+            } else { 
+              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+            }
+            break;
+          default:
+            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
+        }
+        iprot.readFieldEnd();
+      }
+      iprot.readStructEnd();
+
+      // check for required fields of primitive type, which can't be checked in the validate method
+      struct.validate();
+    }
+
+    public void write(org.apache.thrift.protocol.TProtocol oprot, AppStatusUpdateEvent struct) throws org.apache.thrift.TException {
+      struct.validate();
+
+      oprot.writeStructBegin(STRUCT_DESC);
+      if (struct.noteId != null) {
+        oprot.writeFieldBegin(NOTE_ID_FIELD_DESC);
+        oprot.writeString(struct.noteId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.paragraphId != null) {
+        oprot.writeFieldBegin(PARAGRAPH_ID_FIELD_DESC);
+        oprot.writeString(struct.paragraphId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.appId != null) {
+        oprot.writeFieldBegin(APP_ID_FIELD_DESC);
+        oprot.writeString(struct.appId);
+        oprot.writeFieldEnd();
+      }
+      if (struct.status != null) {
+        oprot.writeFieldBegin(STATUS_FIELD_DESC);
+        oprot.writeString(struct.status);
+        oprot.writeFieldEnd();
+      }
+      oprot.writeFieldStop();
+      oprot.writeStructEnd();
+    }
+
+  }
+
+  private static class AppStatusUpdateEventTupleSchemeFactory implements SchemeFactory {
+    public AppStatusUpdateEventTupleScheme getScheme() {
+      return new AppStatusUpdateEventTupleScheme();
+    }
+  }
+
+  private static class AppStatusUpdateEventTupleScheme extends TupleScheme<AppStatusUpdateEvent> {
+
+    @Override
+    public void write(org.apache.thrift.protocol.TProtocol prot, AppStatusUpdateEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol oprot = (TTupleProtocol) prot;
+      BitSet optionals = new BitSet();
+      if (struct.isSetNoteId()) {
+        optionals.set(0);
+      }
+      if (struct.isSetParagraphId()) {
+        optionals.set(1);
+      }
+      if (struct.isSetAppId()) {
+        optionals.set(2);
+      }
+      if (struct.isSetStatus()) {
+        optionals.set(3);
+      }
+      oprot.writeBitSet(optionals, 4);
+      if (struct.isSetNoteId()) {
+        oprot.writeString(struct.noteId);
+      }
+      if (struct.isSetParagraphId()) {
+        oprot.writeString(struct.paragraphId);
+      }
+      if (struct.isSetAppId()) {
+        oprot.writeString(struct.appId);
+      }
+      if (struct.isSetStatus()) {
+        oprot.writeString(struct.status);
+      }
+    }
+
+    @Override
+    public void read(org.apache.thrift.protocol.TProtocol prot, AppStatusUpdateEvent struct) throws org.apache.thrift.TException {
+      TTupleProtocol iprot = (TTupleProtocol) prot;
+      BitSet incoming = iprot.readBitSet(4);
+      if (incoming.get(0)) {
+        struct.noteId = iprot.readString();
+        struct.setNoteIdIsSet(true);
+      }
+      if (incoming.get(1)) {
+        struct.paragraphId = iprot.readString();
+        struct.setParagraphIdIsSet(true);
+      }
+      if (incoming.get(2)) {
+        struct.appId = iprot.readString();
+        struct.setAppIdIsSet(true);
+      }
+      if (incoming.get(3)) {
+        struct.status = iprot.readString();
+        struct.setStatusIsSet(true);
+      }
+    }
+  }
+
+}
+