/**
 * 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.db2;

import org.jumpmind.db.platform.IDatabasePlatform;
import org.jumpmind.symmetric.db.ISymmetricDialect;
import org.jumpmind.symmetric.service.IParameterService;

public class Db2As400SymmetricDialect extends Db2SymmetricDialect implements ISymmetricDialect {

    public Db2As400SymmetricDialect(IParameterService parameterService, IDatabasePlatform platform) {
        super(parameterService, platform);
        this.triggerTemplate = new Db2As400TriggerTemplate(this);
    }
    
    @Override
    protected boolean doesTriggerExistOnPlatform(String catalog, String schema, String tableName,
            String triggerName) {
        schema = schema == null ? (platform.getDefaultSchema() == null ? null : platform
                .getDefaultSchema()) : schema;
        return platform.getSqlTemplate().queryForInt(
                "SELECT COUNT(*) FROM " + getSystemSchemaName() + ".SYSTRIGGERS WHERE TRIGNAME = ? AND TRIGSCHEMA = ?",
                new Object[] { triggerName.toUpperCase(), schema.toUpperCase() }) > 0;
    }

    @Override
    protected String getSystemSchemaName() {
        return "QSYS2";
    }

}