/*
* 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.flink.api.java.io;
import org.apache.flink.annotation.PublicEvolving;
import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.api.common.io.BinaryInputFormat;
import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.api.java.typeutils.ResultTypeQueryable;
import org.apache.flink.core.memory.DataInputView;
import java.io.IOException;
/**
* Reads elements by deserializing them with a given type serializer.
* @param <T>
*/
@PublicEvolving
public class TypeSerializerInputFormat<T> extends BinaryInputFormat<T> implements ResultTypeQueryable<T> {
private static final long serialVersionUID = 2123068581665107480L;
private transient TypeInformation<T> resultType;
private TypeSerializer<T> serializer;
public TypeSerializerInputFormat(TypeInformation<T> resultType) {
this.resultType = resultType;
// TODO: fix this shit
this.serializer = resultType.createSerializer(new ExecutionConfig());
}
@Override
protected T deserialize(T reuse, DataInputView dataInput) throws IOException {
return serializer.deserialize(reuse, dataInput);
}
// --------------------------------------------------------------------------------------------
// Typing
// --------------------------------------------------------------------------------------------
@Override
public TypeInformation<T> getProducedType() {
return resultType;
}
}