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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);
  		}
  	}
  }
  