org.apache.avro.specific.SpecificDatumWriter Maven / Gradle / Ivy
/**
* 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.
*/
package org.apache.avro.specific;
import java.io.IOException;
import org.apache.avro.Schema;
import org.apache.avro.generic.GenericDatumWriter;
import org.apache.avro.io.Encoder;
/** {@link org.apache.avro.io.DatumWriter DatumWriter} for generated Java classes. */
public class SpecificDatumWriter extends GenericDatumWriter {
public SpecificDatumWriter() {}
public SpecificDatumWriter(Class c) {
super(SpecificData.get().getSchema(c), SpecificData.get());
}
public SpecificDatumWriter(Schema schema) {
super(schema, SpecificData.get());
}
protected SpecificDatumWriter(Schema root, SpecificData specificData) {
super(root, specificData);
}
protected SpecificDatumWriter(SpecificData specificData) {
super(specificData);
}
@Override
protected void writeEnum(Schema schema, Object datum, Encoder out)
throws IOException {
if (!(datum instanceof Enum))
super.writeEnum(schema, datum, out); // punt to generic
else
out.writeEnum(((Enum)datum).ordinal());
}
}