/**
 * Licensed to JumpMind Inc under one or more contributor
 * license agreements.  See the NOTICE file distributed
 * with this work for additional information regarding
 * copyright ownership.  JumpMind Inc licenses this file
 * to you under the GNU General Public License, version 3.0 (GPLv3)
 * (the "License"); you may not use this file except in compliance
 * with the License.
 *
 * You should have received a copy of the GNU General Public License,
 * version 3.0 (GPLv3) along with this library; if not, see
 * <http://www.gnu.org/licenses/>.
 *
 * 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.jumpmind.symmetric.db.firebird;

import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.db.sql.ISqlTransaction;
import org.jumpmind.symmetric.service.IParameterService;

/*
 * Database dialect for Firebird version 2.0.
 */
public class Firebird20SymmetricDialect extends FirebirdSymmetricDialect {

    public Firebird20SymmetricDialect(IParameterService parameterService, IDatabasePlatform platform) {
        super(parameterService, platform);
        this.triggerTemplate = new Firebird20TriggerTemplate(this);
    }
    
    @Override
    public void disableSyncTriggers(ISqlTransaction transaction, String nodeId) {
        transaction.queryForInt("select rdb$set_context('USER_SESSION','" + SYNC_TRIGGERS_DISABLED_USER_VARIABLE
                + "',1) from rdb$database");
        if (nodeId != null) {
            transaction.queryForInt("select rdb$set_context('USER_SESSION','" + SYNC_TRIGGERS_DISABLED_NODE_VARIABLE
                    + "','" + nodeId + "') from rdb$database");
        }
    }

    public void enableSyncTriggers(ISqlTransaction transaction) {
        transaction.queryForInt("select rdb$set_context('USER_SESSION','" + SYNC_TRIGGERS_DISABLED_USER_VARIABLE
                + "',null) from rdb$database");
        transaction.queryForInt("select rdb$set_context('USER_SESSION','" + SYNC_TRIGGERS_DISABLED_NODE_VARIABLE
                + "',null) from rdb$database");
    }

    public String getSyncTriggersExpression() {
        return "rdb$get_context('USER_SESSION','" + SYNC_TRIGGERS_DISABLED_USER_VARIABLE + "') is null";
    }

}