Java Code Examples for org.apache.avro.specific.SpecificData#newInstance()

The following examples show how to use org.apache.avro.specific.SpecificData#newInstance() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: AvroRowDeserializationSchema.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a Avro deserialization schema for the given specific record class. Having the
 * concrete Avro record class might improve performance.
 *
 * @param recordClazz Avro record class used to deserialize Avro's record to Flink's row
 */
public AvroRowDeserializationSchema(Class<? extends SpecificRecord> recordClazz) {
	Preconditions.checkNotNull(recordClazz, "Avro record class must not be null.");
	this.recordClazz = recordClazz;
	schema = SpecificData.get().getSchema(recordClazz);
	typeInfo = (RowTypeInfo) AvroSchemaConverter.convertToTypeInfo(recordClazz);
	schemaString = schema.toString();
	record = (IndexedRecord) SpecificData.newInstance(recordClazz, schema);
	datumReader = new SpecificDatumReader<>(schema);
	inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
}
Example 2
Source File: AvroRowDeserializationSchema.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
private void readObject(ObjectInputStream inputStream) throws ClassNotFoundException, IOException {
	recordClazz = (Class<? extends SpecificRecord>) inputStream.readObject();
	schemaString = inputStream.readUTF();
	typeInfo = (RowTypeInfo) AvroSchemaConverter.<Row>convertToTypeInfo(schemaString);
	schema = new Schema.Parser().parse(schemaString);
	if (recordClazz != null) {
		record = (SpecificRecord) SpecificData.newInstance(recordClazz, schema);
	} else {
		record = new GenericData.Record(schema);
	}
	datumReader = new SpecificDatumReader<>(schema);
	this.inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(this.inputStream, null);
}
Example 3
Source File: AvroRowDeserializationSchema.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a Avro deserialization schema for the given specific record class. Having the
 * concrete Avro record class might improve performance.
 *
 * @param recordClazz Avro record class used to deserialize Avro's record to Flink's row
 */
public AvroRowDeserializationSchema(Class<? extends SpecificRecord> recordClazz) {
	Preconditions.checkNotNull(recordClazz, "Avro record class must not be null.");
	this.recordClazz = recordClazz;
	schema = SpecificData.get().getSchema(recordClazz);
	typeInfo = (RowTypeInfo) AvroSchemaConverter.convertToTypeInfo(recordClazz);
	schemaString = schema.toString();
	record = (IndexedRecord) SpecificData.newInstance(recordClazz, schema);
	datumReader = new SpecificDatumReader<>(schema);
	inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
}
Example 4
Source File: AvroRowDeserializationSchema.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
private void readObject(ObjectInputStream inputStream) throws ClassNotFoundException, IOException {
	recordClazz = (Class<? extends SpecificRecord>) inputStream.readObject();
	schemaString = inputStream.readUTF();
	typeInfo = (RowTypeInfo) AvroSchemaConverter.<Row>convertToTypeInfo(schemaString);
	schema = new Schema.Parser().parse(schemaString);
	if (recordClazz != null) {
		record = (SpecificRecord) SpecificData.newInstance(recordClazz, schema);
	} else {
		record = new GenericData.Record(schema);
	}
	datumReader = new SpecificDatumReader<>(schema);
	this.inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(this.inputStream, null);
}
Example 5
Source File: AvroRowDeserializationSchema.java    From flink with Apache License 2.0 5 votes vote down vote up 
/**
 * Creates a Avro deserialization schema for the given specific record class. Having the
 * concrete Avro record class might improve performance.
 *
 * @param recordClazz Avro record class used to deserialize Avro's record to Flink's row
 */
public AvroRowDeserializationSchema(Class<? extends SpecificRecord> recordClazz) {
	Preconditions.checkNotNull(recordClazz, "Avro record class must not be null.");
	this.recordClazz = recordClazz;
	schema = SpecificData.get().getSchema(recordClazz);
	typeInfo = (RowTypeInfo) AvroSchemaConverter.convertToTypeInfo(recordClazz);
	schemaString = schema.toString();
	record = (IndexedRecord) SpecificData.newInstance(recordClazz, schema);
	datumReader = new SpecificDatumReader<>(schema);
	inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
}
Example 6
Source File: AvroRowDeserializationSchema.java    From flink with Apache License 2.0 5 votes vote down vote up 
@SuppressWarnings("unchecked")
private void readObject(ObjectInputStream inputStream) throws ClassNotFoundException, IOException {
	recordClazz = (Class<? extends SpecificRecord>) inputStream.readObject();
	schemaString = inputStream.readUTF();
	typeInfo = (RowTypeInfo) AvroSchemaConverter.<Row>convertToTypeInfo(schemaString);
	schema = new Schema.Parser().parse(schemaString);
	if (recordClazz != null) {
		record = (SpecificRecord) SpecificData.newInstance(recordClazz, schema);
	} else {
		record = new GenericData.Record(schema);
	}
	datumReader = new SpecificDatumReader<>(schema);
	this.inputStream = new MutableByteArrayInputStream();
	decoder = DecoderFactory.get().binaryDecoder(this.inputStream, null);
}
Example 7
Source File: AvroIndexedRecordConverter.java    From parquet-mr with Apache License 2.0 5 votes vote down vote up 
@Override
@SuppressWarnings("unchecked")
public void start() {
  // Should do the right thing whether it is generic or specific
  this.currentRecord = (T) ((this.specificClass == null) ?
          new GenericData.Record(avroSchema) :
          SpecificData.newInstance(specificClass, avroSchema));
}
Example 8
Source File: Avro16Adapter.java    From avro-util with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public Object newInstance(Class<?> clazz, Schema schema) {
  return SpecificData.newInstance(clazz, schema);
}
Example 9
Source File: Avro18Adapter.java    From avro-util with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public Object newInstance(Class<?> clazz, Schema schema) {
  return SpecificData.newInstance(clazz, schema);
}
Example 10
Source File: Avro19Adapter.java    From avro-util with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public Object newInstance(Class<?> clazz, Schema schema) {
  return SpecificData.newInstance(clazz, schema);
}
Example 11
Source File: Avro17Adapter.java    From avro-util with BSD 2-Clause "Simplified" License 4 votes vote down vote up 
@Override
public Object newInstance(Class<?> clazz, Schema schema) {
  return SpecificData.newInstance(clazz, schema);
}