OracleJDBCAdapter.java

/**
 * 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 under the License.
 */
package org.apache.activemq.store.jdbc.adapter;

import java.sql.Blob;
import java.sql.ResultSet;
import java.sql.SQLException;

import org.apache.activemq.store.jdbc.Statements;

/**
 * Implements all the default JDBC operations that are used
 * by the JDBCPersistenceAdapter.
 * <p/>
 * Subclassing is encouraged to override the default
 * implementation of methods to account for differences
 * in JDBC Driver implementations.
 * <p/>
 *
 * @org.apache.xbean.XBean element="oracleJDBCAdapter"
 *
 * 
 */
public class OracleJDBCAdapter extends DefaultJDBCAdapter {

    @Override
    public void setStatements(Statements statements) {
        statements.setLongDataType("NUMBER");
        statements.setSequenceDataType("NUMBER");
        super.setStatements(statements);
    }

    @Override
    public String limitQuery(String query) {
        return "SELECT * FROM (" + query + ") WHERE ROWNUM <= " + getMaxRows();
    }
}