com.ebay.nest.io.sede.objectinspector.primitive.WritableBinaryObjectInspector.java Source code

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Here is the source code for com.ebay.nest.io.sede.objectinspector.primitive.WritableBinaryObjectInspector.java

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/**
 * 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 com.ebay.nest.io.sede.objectinspector.primitive;

import java.util.Arrays;

import org.apache.hadoop.io.BytesWritable;

import com.ebay.nest.io.sede.lazy.LazyUtils;

/**
 * A WritableBinaryObjectInspector inspects a BytesWritable Object.
 */
public class WritableBinaryObjectInspector extends AbstractPrimitiveWritableObjectInspector
        implements SettableBinaryObjectInspector {

    WritableBinaryObjectInspector() {
        super(PrimitiveObjectInspectorUtils.binaryTypeEntry);
    }

    @Override
    public BytesWritable copyObject(Object o) {
        if (null == o) {
            return null;
        }
        BytesWritable incoming = (BytesWritable) o;
        byte[] bytes = new byte[incoming.getLength()];
        System.arraycopy(incoming.getBytes(), 0, bytes, 0, incoming.getLength());
        return new BytesWritable(bytes);
    }

    @Override
    public byte[] getPrimitiveJavaObject(Object o) {
        return o == null ? null : LazyUtils.createByteArray((BytesWritable) o);
    }

    @Override
    public BytesWritable getPrimitiveWritableObject(Object o) {
        return null == o ? null : (BytesWritable) o;
    }

    /*
     * {@inheritDoc}
     */
    @Override
    public BytesWritable set(Object o, byte[] bb) {
        BytesWritable incoming = (BytesWritable) o;
        if (bb != null) {
            incoming.set(bb, 0, bb.length);
        }
        return incoming;
    }

    /*
     * {@inheritDoc}
     */
    @Override
    public BytesWritable set(Object o, BytesWritable bw) {
        BytesWritable incoming = (BytesWritable) o;
        if (bw != null) {
            incoming.set(bw);
        }
        return incoming;
    }

    /*
     * {@inheritDoc}
     */
    @Override
    public BytesWritable create(byte[] bb) {
        return new BytesWritable(Arrays.copyOf(bb, bb.length));
    }

    /*
     * {@inheritDoc}
     */
    @Override
    public BytesWritable create(BytesWritable bw) {

        BytesWritable newCpy = new BytesWritable();
        if (null != bw) {
            newCpy.set(bw);
        }
        return newCpy;
    }

}