/*
    * Copyright 2006-2013 the original author or authors.
    *
    * Licensed 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.springframework.batch.core.repository.dao;
  
  import java.sql.Types;
  
  import org.springframework.beans.factory.InitializingBean;
  import org.springframework.jdbc.core.JdbcOperations;
  import org.springframework.util.Assert;
  import org.springframework.util.StringUtils;
  
  /**
   * Encapsulates common functionality needed by JDBC batch metadata DAOs -
   * provides jdbcTemplate for subclasses and handles table prefixes.
   *
   * @author Robert Kasanicky
   */
  public abstract class AbstractJdbcBatchMetadataDao implements InitializingBean {
  
  	/**
  	 * Default value for the table prefix property.
  	 */
  	public static final String DEFAULT_TABLE_PREFIX = "BATCH_";
  
  	public static final int DEFAULT_EXIT_MESSAGE_LENGTH = 2500;
  
  	private String tablePrefix = DEFAULT_TABLE_PREFIX;
  
  	private int clobTypeToUse = Types.CLOB;
  
  	private JdbcOperations jdbcTemplate;
  
  	protected String getQuery(String base) {
  		return StringUtils.replace(base, "%PREFIX%", tablePrefix);
  	}
  
  	protected String getTablePrefix() {
  		return tablePrefix;
  	}
  
  	/**
  	 * Public setter for the table prefix property. This will be prefixed to all
  	 * the table names before queries are executed. Defaults to
  	 * {@link #DEFAULT_TABLE_PREFIX}.
  	 *
  	 * @param tablePrefix the tablePrefix to set
  	 */
  	public void setTablePrefix(String tablePrefix) {
  		this.tablePrefix = tablePrefix;
  	}
  
  	public void setJdbcTemplate(JdbcOperations jdbcTemplate) {
  		this.jdbcTemplate = jdbcTemplate;
  	}
  
  	protected JdbcOperations getJdbcTemplate() {
  		return jdbcTemplate;
  	}
  
  	public int getClobTypeToUse() {
  		return clobTypeToUse;
  	}
  
  	public void setClobTypeToUse(int clobTypeToUse) {
  		this.clobTypeToUse = clobTypeToUse;
  	}
  
  	@Override
  	public void afterPropertiesSet() throws Exception {
  		Assert.notNull(jdbcTemplate);
  	}
  
  }