org.apache.beehive.controls.system.jdbc.ResultSetMapper Maven / Gradle / Ivy

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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 under the License.
 *
 * $Header:$
 */
package org.apache.beehive.controls.system.jdbc;

import org.apache.beehive.controls.api.context.ControlBeanContext;

import java.lang.reflect.Method;
import java.sql.ResultSet;
import java.util.Calendar;

/**
 * Extend this class to create new ResultSet mappers. The extended class will be invoked by the JdbcController
 * when it is time to map a ResultSet to a method's return type.
 *
 * ResultSet mappers are specified on a per method basis using the SQL annotation's resultSetMapper field.
 */
public interface ResultSetMapper {

	/**
	 * Map a ResultSet to an object type
	 *
	 * @param context   A ControlBeanContext instance, see Beehive controls javadoc for additional information
	 * @param m         Method assoicated with this call.
	 * @param resultSet Result set to map.
	 * @param cal       A Calendar instance for time/date value resolution.
	 * @return          The Object resulting from the ResultSet
	 */
	public Object mapToResultType(ControlBeanContext context, Method m, ResultSet resultSet, Calendar cal);

	/**
	 * Can the ResultSet which this mapper uses be closed by the Jdbc control?
	 * @return true if the ResultSet can be closed by the JdbcControl
	 */
	public boolean canCloseResultSet();
}