/*
*
* * Copyright 2014 Orient Technologies LTD (info(at)orientechnologies.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.
* *
* * For more information: http://www.orientechnologies.com
*
*/
package com.orientechnologies.orient.server.distributed.task;
import com.orientechnologies.common.io.OFileUtils;
import com.orientechnologies.orient.core.config.OGlobalConfiguration;
import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.server.OServer;
import com.orientechnologies.orient.server.distributed.ODistributedDatabaseChunk;
import com.orientechnologies.orient.server.distributed.ODistributedServerLog;
import com.orientechnologies.orient.server.distributed.ODistributedServerManager;
import java.io.File;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
/**
* Ask for a database chunk.
*
* @author Luca Garulli (l.garulli--at--orientechnologies.com)
*
*/
public class OCopyDatabaseChunkTask extends OAbstractReplicatedTask {
private static final long serialVersionUID = 1L;
private String fileName;
private int chunkNum;
private long offset;
public OCopyDatabaseChunkTask() {
}
public OCopyDatabaseChunkTask(final String iFileName, final int iChunkNum, final long iOffset) {
fileName = iFileName;
chunkNum = iChunkNum;
offset = iOffset;
}
@Override
public Object execute(final OServer iServer, ODistributedServerManager iManager, final ODatabaseDocumentTx database)
throws Exception {
final File f = new File(fileName);
if (!f.exists())
throw new IllegalArgumentException("File name '" + fileName + "' not found");
final ODistributedDatabaseChunk result = new ODistributedDatabaseChunk(0, f, offset, ODeployDatabaseTask.CHUNK_MAX_SIZE);
ODistributedServerLog.info(this, iManager.getLocalNodeName(), getNodeSource(), ODistributedServerLog.DIRECTION.OUT,
"- transferring chunk #%d offset=%d size=%s...", chunkNum, result.offset, OFileUtils.getSizeAsNumber(result.buffer.length));
if (result.last)
// NO MORE CHUNKS: SET THE NODE ONLINE (SYNCHRONIZING ENDED)
iManager.setDatabaseStatus(iManager.getLocalNodeName(), database.getName(), ODistributedServerManager.DB_STATUS.ONLINE);
return result;
}
@Override
public boolean isRequireNodeOnline() {
return false;
}
@Override
public RESULT_STRATEGY getResultStrategy() {
return RESULT_STRATEGY.ANY;
}
@Override
public long getTimeout() {
return OGlobalConfiguration.DISTRIBUTED_DEPLOYCHUNK_TASK_SYNCH_TIMEOUT.getValueAsLong();
}
@Override
public QUORUM_TYPE getQuorumType() {
return QUORUM_TYPE.NONE;
}
@Override
public String getPayload() {
return null;
}
@Override
public String getName() {
return "copy_db_chunk";
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException {
out.writeUTF(fileName);
out.writeInt(chunkNum);
out.writeLong(offset);
}
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
fileName = in.readUTF();
chunkNum = in.readInt();
offset = in.readLong();
}
@Override
public boolean isRequiredOpenDatabase() {
return false;
}
}