/*
* Copyright 2011 JBoss Inc..
*
* 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 org.drools.grid.remote.command;
import java.util.Iterator;
import java.util.UUID;
import org.drools.command.Context;
import org.drools.command.impl.GenericCommand;
import org.drools.runtime.rule.QueryResultsRow;
/**
*
* @author salaboy
*/
public class NextQueryResultsRowRemoteCommand implements GenericCommand<String>{
private String queryName;
private String localId;
private String queryResultsId;
public NextQueryResultsRowRemoteCommand(String queryName, String localId) {
this.queryName = queryName;
this.localId = localId;
this.queryResultsId = this.localId + this.queryName;
}
public String execute(Context context) {
String rowId = UUID.randomUUID().toString();
QueryResultsRow row = ((Iterator<QueryResultsRow>) context.getContextManager().getDefaultContext().get( "Iterator - "+this.queryResultsId)).next();
context.getContextManager().getDefaultContext().set("Row - "+rowId+" - "+this.queryResultsId, row);
return rowId;
}
}