/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.dqp.internal.process;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.List;
import org.teiid.adminapi.impl.SessionMetadata;
import org.teiid.dqp.message.RequestID;
import org.teiid.query.tempdata.TempTableStore;
/**
*
*/
//TODO: merge with DQPWorkContext
class ClientState {
LinkedHashSet<RequestID> requests;
TempTableStore sessionTables;
volatile SessionMetadata session;
public ClientState(TempTableStore tableStoreImpl) {
this.sessionTables = tableStoreImpl;
}
public synchronized void addRequest(RequestID requestID) {
if (requests == null) {
requests = new LinkedHashSet<RequestID>(2);
}
requests.add(requestID);
}
public synchronized List<RequestID> getRequests() {
if (requests == null) {
return Collections.emptyList();
}
return new ArrayList<RequestID>(requests);
}
public synchronized void removeRequest(RequestID requestID) {
if (requests != null) {
requests.remove(requestID);
}
}
}