giraph-core/src/main/java/org/apache/giraph/utils/io/BigDataInputOutput.java

/*
 * 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.giraph.utils.io;

import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration;
import org.apache.giraph.utils.ExtendedDataInput;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

/**
 * {@link DataInputOutput} which uses {@link BigDataInput} and {@link
 * BigDataOutput} to support larger than allowed array size streams.
 */
public class BigDataInputOutput extends DataInputOutput {
  /** DataOutput which we write to */
  private BigDataOutput dataOutput;

  /**
   * Constructor
   *
   * @param conf Configuration
   */
  public BigDataInputOutput(ImmutableClassesGiraphConfiguration conf) {
    dataOutput = new BigDataOutput(conf);
  }

  @Override
  public DataOutput getDataOutput() {
    return dataOutput;
  }

  @Override
  public ExtendedDataInput createDataInput() {
    return new BigDataInput(dataOutput);
  }

  @Override
  public void write(DataOutput out) throws IOException {
    dataOutput.write(out);
  }

  @Override
  public void readFields(DataInput in) throws IOException {
    dataOutput.readFields(in);
  }
}