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 *   Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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package org.apache.cayenne.dba.oracle;

import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.query.BatchQuery;
import org.apache.cayenne.query.SQLAction;
import org.apache.cayenne.query.SQLTemplate;

/**
 * An action builder for Oracle8Adapter.
 * 
 * @since 1.2
 */
class Oracle8ActionBuilder extends OracleActionBuilder {

	Oracle8ActionBuilder(DataNode dataNode) {
		super(dataNode);
	}

	@Override
	public SQLAction sqlAction(SQLTemplate query) {
		return new Oracle8SQLTemplateAction(query, dataNode);
	}

	@Override
	public SQLAction batchAction(BatchQuery query) {
		// special handling for LOB updates
		if (OracleAdapter.isSupportsOracleLOB() && OracleAdapter.updatesLOBColumns(query)) {
			// Special action for Oracle8. See CAY-1307.
			return new Oracle8LOBBatchAction(query, dataNode.getAdapter(), dataNode.getJdbcEventLogger());
		} else {
			// optimistic locking is not supported in batches due to JDBC driver
			// limitations
			boolean useOptimisticLock = query.isUsingOptimisticLocking();
			boolean runningAsBatch = !useOptimisticLock && dataNode.getAdapter().supportsBatchUpdates();

			return new OracleBatchAction(query, dataNode, runningAsBatch);
		}
	}
}