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Posted to commits@avro.apache.org by bu...@apache.org on 2016/09/01 13:48:18 UTC

[2/4] avro git commit: Revert "AVRO-1695. Java: Fix GenericData#deepCopy() to support logical types."

Revert "AVRO-1695. Java: Fix GenericData#deepCopy() to support logical types."

This reverts commit be1639c44b16ddec8c54ecfca050364048daf896.

Incorrect JIRA key


Project: http://git-wip-us.apache.org/repos/asf/avro/repo
Commit: http://git-wip-us.apache.org/repos/asf/avro/commit/07c8f328
Tree: http://git-wip-us.apache.org/repos/asf/avro/tree/07c8f328
Diff: http://git-wip-us.apache.org/repos/asf/avro/diff/07c8f328

Branch: refs/heads/master
Commit: 07c8f328603a4cacca087133ec3fb45337867aaf
Parents: 5d45505
Author: Sean Busbey <bu...@apache.org>
Authored: Thu Sep 1 08:44:41 2016 -0500
Committer: Sean Busbey <bu...@apache.org>
Committed: Thu Sep 1 08:44:41 2016 -0500

----------------------------------------------------------------------
 CHANGES.txt                                     |  3 -
 .../org/apache/avro/generic/GenericData.java    | 35 +++--------
 .../avro/generic/TestGenericLogicalTypes.java   | 61 --------------------
 3 files changed, 9 insertions(+), 90 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/avro/blob/07c8f328/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index 30d5782..514b801 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -15,9 +15,6 @@ Trunk (not yet released)
     AVRO-1889: Update maven-shade-plugin to enable building in Java 8 on Mac.
     (Sachin Goyal via blue)
 
-    AVRO-1695. Java: Fix GenericData#deepCopy() to support logical types.
-    (cutting)
-
   BUG FIXES
 
     AVRO-1741: Python3: Fix error when codec is not in the header.

http://git-wip-us.apache.org/repos/asf/avro/blob/07c8f328/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java
----------------------------------------------------------------------
diff --git a/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java b/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java
index 9f3cc4d..09f4c5a 100644
--- a/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java
+++ b/lang/java/avro/src/main/java/org/apache/avro/generic/GenericData.java
@@ -34,7 +34,6 @@ import java.util.Map;
 import org.apache.avro.AvroRuntimeException;
 import org.apache.avro.AvroTypeException;
 import org.apache.avro.Conversion;
-import org.apache.avro.Conversions;
 import org.apache.avro.LogicalType;
 import org.apache.avro.Schema;
 import org.apache.avro.Schema.Field;
@@ -1019,31 +1018,15 @@ public class GenericData {
 
   /**
    * Makes a deep copy of a value given its schema.
-   * <P>Logical types are converted to raw types, copied, then converted back.
    * @param schema the schema of the value to deep copy.
    * @param value the value to deep copy.
    * @return a deep copy of the given value.
    */
   @SuppressWarnings({ "rawtypes", "unchecked" })
   public <T> T deepCopy(Schema schema, T value) {
-    if (value == null) return null;
-    LogicalType logicalType = schema.getLogicalType();
-    if (logicalType == null)           // not a logical type -- use raw copy
-      return (T)deepCopyRaw(schema, value);
-    Conversion conversion = getConversionByClass(value.getClass());
-    if (conversion == null)            // no conversion defined -- try raw copy
-      return (T)deepCopyRaw(schema, value);
-    // logical type with conversion: convert to raw, copy, then convert back to logical
-    Object raw = Conversions.convertToRawType(value, schema, logicalType, conversion);
-    Object copy = deepCopyRaw(schema, raw);       // copy raw
-    return (T)Conversions.convertToLogicalType(copy, schema, logicalType, conversion);
-  }
-
-  private Object deepCopyRaw(Schema schema, Object value) {
     if (value == null) {
       return null;
     }
-
     switch (schema.getType()) {
       case ARRAY:
         List<Object> arrayValue = (List) value;
@@ -1052,7 +1035,7 @@ public class GenericData {
         for (Object obj : arrayValue) {
           arrayCopy.add(deepCopy(schema.getElementType(), obj));
         }
-        return arrayCopy;
+        return (T)arrayCopy;
       case BOOLEAN:
         return value; // immutable
       case BYTES:
@@ -1062,13 +1045,13 @@ public class GenericData {
         byte[] bytesCopy = new byte[length];
         byteBufferValue.get(bytesCopy, 0, length);
         byteBufferValue.position(start);
-        return ByteBuffer.wrap(bytesCopy, 0, length);
+        return (T)ByteBuffer.wrap(bytesCopy, 0, length);
       case DOUBLE:
         return value; // immutable
       case ENUM:
-        return createEnum(value.toString(), schema);
+        return (T)createEnum(value.toString(), schema);
       case FIXED:
-        return createFixed(null, ((GenericFixed) value).bytes(), schema);
+        return (T)createFixed(null, ((GenericFixed) value).bytes(), schema);
       case FLOAT:
         return value; // immutable
       case INT:
@@ -1083,7 +1066,7 @@ public class GenericData {
           mapCopy.put((CharSequence)(deepCopy(STRINGS, entry.getKey())),
               deepCopy(schema.getValueType(), entry.getValue()));
         }
-        return mapCopy;
+        return (T)mapCopy;
       case NULL:
         return null;
       case RECORD:
@@ -1097,11 +1080,11 @@ public class GenericData {
                                      getField(value, name, pos, oldState));
           setField(newRecord, name, pos, newValue, newState);
         }
-        return newRecord;
+        return (T)newRecord;
       case STRING:
         // Strings are immutable
         if (value instanceof String) {
-          return value;
+          return (T)value;
         }
 
         // Some CharSequence subclasses are mutable, so we still need to make
@@ -1109,9 +1092,9 @@ public class GenericData {
         else if (value instanceof Utf8) {
           // Utf8 copy constructor is more efficient than converting
           // to string and then back to Utf8
-          return new Utf8((Utf8)value);
+          return (T)new Utf8((Utf8)value);
         }
-        return new Utf8(value.toString());
+        return (T)new Utf8(value.toString());
       case UNION:
         return deepCopy(
             schema.getTypes().get(resolveUnion(schema, value)), value);

http://git-wip-us.apache.org/repos/asf/avro/blob/07c8f328/lang/java/avro/src/test/java/org/apache/avro/generic/TestGenericLogicalTypes.java
----------------------------------------------------------------------
diff --git a/lang/java/avro/src/test/java/org/apache/avro/generic/TestGenericLogicalTypes.java b/lang/java/avro/src/test/java/org/apache/avro/generic/TestGenericLogicalTypes.java
index dc3c6f6..3a4b1e1 100644
--- a/lang/java/avro/src/test/java/org/apache/avro/generic/TestGenericLogicalTypes.java
+++ b/lang/java/avro/src/test/java/org/apache/avro/generic/TestGenericLogicalTypes.java
@@ -232,65 +232,4 @@ public class TestGenericLogicalTypes {
 
     return file;
   }
-
-  @Test
-  public void testCopyUuid() {
-    testCopy(LogicalTypes.uuid().addToSchema(Schema.create(Schema.Type.STRING)),
-             UUID.randomUUID(),
-             GENERIC);
-  }
-
-  @Test
-  public void testCopyUuidRaw() {
-    testCopy(LogicalTypes.uuid().addToSchema(Schema.create(Schema.Type.STRING)),
-             UUID.randomUUID().toString(),        // use raw type
-             GenericData.get());                  // with no conversions
-  }
-    
-  @Test
-  public void testCopyDecimal() {
-    testCopy(LogicalTypes.decimal(9, 2).addToSchema(Schema.create(Schema.Type.BYTES)),
-             new BigDecimal("-34.34"),
-             GENERIC);
-  }
-    
-  @Test
-  public void testCopyDecimalRaw() {
-    testCopy(LogicalTypes.decimal(9, 2).addToSchema(Schema.create(Schema.Type.BYTES)),
-             ByteBuffer.wrap(new BigDecimal("-34.34").unscaledValue().toByteArray()),
-             GenericData.get());                  // no conversions
-  }
-    
-  private void testCopy(Schema schema, Object value, GenericData model) {
-    // test direct copy of instance
-    checkCopy(value, model.deepCopy(schema, value), false);
-
-    // test nested in a record
-    Schema recordSchema = Schema.createRecord("X", "", "test", false);
-    List<Schema.Field> fields = new ArrayList<Schema.Field>();
-    fields.add(new Schema.Field("x", schema, "", null));
-    recordSchema.setFields(fields);
-
-    GenericRecordBuilder builder = new GenericRecordBuilder(recordSchema);
-    builder.set("x", value);
-    GenericData.Record record = builder.build();
-    checkCopy(record, model.deepCopy(recordSchema, record), true);
-
-    // test nested in array
-    Schema arraySchema = Schema.createArray(schema);
-    ArrayList array = new ArrayList(Arrays.asList(value));
-    checkCopy(array, model.deepCopy(arraySchema, array), true);
-
-    // test record nested in array
-    Schema recordArraySchema = Schema.createArray(recordSchema);
-    ArrayList recordArray = new ArrayList(Arrays.asList(record));
-    checkCopy(recordArray, model.deepCopy(recordArraySchema, recordArray), true);
-  }
-
-  private void checkCopy(Object original, Object copy, boolean notSame) {
-    if (notSame) 
-      Assert.assertNotSame(original, copy);
-    Assert.assertEquals(original, copy);
-  }
-
 }