Package net.rubyeye.xmemcached.command.kestrel

Source Code of net.rubyeye.xmemcached.command.kestrel.KestrelSetCommand

/**
*Copyright [2009-2010] [dennis zhuang(killme2008@gmail.com)]
*Licensed 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
*/
/**
*Copyright [2009-2010] [dennis zhuang(killme2008@gmail.com)]
*Licensed 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 net.rubyeye.xmemcached.command.kestrel;

import java.util.concurrent.CountDownLatch;

import net.rubyeye.xmemcached.command.CommandType;
import net.rubyeye.xmemcached.command.text.TextStoreCommand;
import net.rubyeye.xmemcached.transcoders.CachedData;
import net.rubyeye.xmemcached.transcoders.Transcoder;
/**
* kestrel set command
* @author dennis
*
*/
public class KestrelSetCommand extends TextStoreCommand {

  @SuppressWarnings("unchecked")
  public KestrelSetCommand(String key, byte[] keyBytes, CommandType cmdType,
      CountDownLatch latch, int exp, long cas, Object value,
      boolean noreply, Transcoder transcoder) {
    super(key, keyBytes, cmdType, latch, exp, cas, value, noreply,
        transcoder);
  }

  @Override
  @SuppressWarnings("unchecked")
  protected CachedData encodeValue() {

    final CachedData value = this.transcoder.encode(this.value);
    // If disable save primitive type as string,prepend 4 bytes flag to
    // value
    if (!this.transcoder.isPrimitiveAsString()) {
      int flags = value.getFlag();
      byte[] flagBytes = KestrelGetCommand.transcoderUtils
          .encodeInt(flags);
      byte[] origData = value.getData();
      byte[] newData = new byte[origData.length + 4];
      System.arraycopy(flagBytes, 0, newData, 0, 4);
      System.arraycopy(origData, 0, newData, 4, origData.length);
      value.setCapacity(newData.length);
      value.setData(newData);
    }
    return value;
  }

}
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