/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2008-2014, Open Source Geospatial Foundation (OSGeo)
 *
 *    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;
 *    version 2.1 of the License.
 *
 *    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.
 */
package org.geotools.data.wfs;

import org.geotools.data.Transaction;
import org.geotools.data.store.ContentEntry;
import org.geotools.data.store.ContentState;

public class WFSContentState extends ContentState {

    public WFSContentState(ContentEntry entry) {
        super(entry);
        super.transactionState = new WFSLocalTransactionState(this);
    }

    WFSContentState(WFSContentState wfsContentState) {
        super(wfsContentState);
        super.transactionState = new WFSLocalTransactionState(this);
    }

    @Override
    public WFSContentState copy() {
        return new WFSContentState(this);
    }

    WFSLocalTransactionState getLocalTransactionState() {
        return (WFSLocalTransactionState) super.transactionState;
    }

    /**
     * Sets the transaction associated with the state.
     */
    @Override
    public void setTransaction(Transaction tx) {
        super.setTransaction(tx);

        if (tx != Transaction.AUTO_COMMIT) {
            synchronized (WFSRemoteTransactionState.class) {

                WFSDataStore dataStore = (WFSDataStore) entry.getDataStore();

                WFSRemoteTransactionState remoteStateKeeper;
                remoteStateKeeper = (WFSRemoteTransactionState) tx.getState(dataStore);
                if (remoteStateKeeper == null) {
                    remoteStateKeeper = new WFSRemoteTransactionState(dataStore);
                    tx.putState(dataStore, remoteStateKeeper);
                }
                WFSLocalTransactionState localTransactionState = getLocalTransactionState();
                remoteStateKeeper.watch(localTransactionState.getState());
            }
        }
    }
}