/*
*
* * 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.orient.core.command.OCommandRequest;
import com.orientechnologies.orient.core.command.OCommandRequestText;
import com.orientechnologies.orient.core.config.OGlobalConfiguration;
import com.orientechnologies.orient.core.db.document.ODatabaseDocumentTx;
import com.orientechnologies.orient.core.sql.OCommandSQL;
import com.orientechnologies.orient.server.OServer;
import com.orientechnologies.orient.server.distributed.ODistributedServerLog;
import com.orientechnologies.orient.server.distributed.ODistributedServerLog.DIRECTION;
import com.orientechnologies.orient.server.distributed.ODistributedServerManager;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Map;
/**
* Distributed task used for synchronization.
*
* @author Luca Garulli (l.garulli--at--orientechnologies.com)
*
*/
public class OSQLCommandTask extends OAbstractReplicatedTask {
private static final long serialVersionUID = 1L;
protected String text;
protected Map<Object, Object> params;
protected RESULT_STRATEGY resultStrategy;
public OSQLCommandTask() {
}
public OSQLCommandTask(final OCommandRequestText iCommand) {
text = iCommand.getText();
params = iCommand.getParameters();
}
public Object execute(final OServer iServer, ODistributedServerManager iManager, final ODatabaseDocumentTx database)
throws Exception {
ODistributedServerLog.debug(this, iManager.getLocalNodeName(), getNodeSource(), DIRECTION.IN, "execute command=%s db=%s",
text.toString(), database.getName());
final OCommandRequest cmd = database.command(new OCommandSQL(text));
if (params != null)
// EXECUTE WITH PARAMETERS
return cmd.execute(params);
return cmd.execute();
}
public QUORUM_TYPE getQuorumType() {
return QUORUM_TYPE.ALL;
}
@Override
public RESULT_STRATEGY getResultStrategy() {
return resultStrategy;
}
public void setResultStrategy(final RESULT_STRATEGY resultStrategy) {
this.resultStrategy = resultStrategy;
}
@Override
public long getTimeout() {
return OGlobalConfiguration.DISTRIBUTED_COMMAND_TASK_SYNCH_TIMEOUT.getValueAsLong();
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException {
out.writeUTF(text);
out.writeObject(params);
}
@Override
public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
text = in.readUTF();
params = (Map<Object, Object>) in.readObject();
}
@Override
public String getName() {
return "command_sql";
}
@Override
public String toString() {
return super.toString() + "(" + text + ")";
}
@Override
public String getPayload() {
return text;
}
}