/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
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*******************************************************************************/
package gov.nasa.arc.mct.buffer.disk.internal;
import com.sleepycat.bind.tuple.TupleBinding;
import com.sleepycat.bind.tuple.TupleOutput;
import com.sleepycat.je.DatabaseEntry;
import com.sleepycat.je.DatabaseException;
import com.sleepycat.je.SecondaryDatabase;
import com.sleepycat.je.SecondaryKeyCreator;
final class TimestampKeyCreator implements SecondaryKeyCreator {
private TupleBinding<?> keyBinding;
TimestampKeyCreator(TupleBinding<?> keyBinding) {
this.keyBinding = keyBinding;
}
@Override
public boolean createSecondaryKey(SecondaryDatabase secDb, DatabaseEntry keyEntry, DatabaseEntry valueEntry,
DatabaseEntry resultEntry) throws DatabaseException {
KeyValue kv = KeyValue.class.cast(keyBinding.entryToObject(keyEntry));
long timestamp = kv.getTimestamp();
TupleOutput to = new TupleOutput();
to.writeLong(timestamp);
resultEntry.setData(to.getBufferBytes());
return true;
}
}