org.apache.lucene.store.jdbc.handler.ActualDeleteFileEntryHandler Maven / Gradle / Ivy
/*
* Copyright 2004-2009 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.apache.lucene.store.jdbc.handler;
import java.io.IOException;
import java.sql.PreparedStatement;
import java.util.Iterator;
import java.util.List;
import org.apache.lucene.store.jdbc.support.JdbcTemplate;
/**
* Removes file entries from the database by deleting the relevant rows from the database.
*
* @author kimchy
*/
public class ActualDeleteFileEntryHandler extends AbstractFileEntryHandler {
public void deleteFile(final String name) throws IOException {
jdbcTemplate.executeUpdate(table.sqlDeleteByName(), new JdbcTemplate.PrepateStatementAwareCallback() {
public void fillPrepareStatement(PreparedStatement ps) throws Exception {
ps.setFetchSize(1);
ps.setString(1, name);
}
});
}
public List deleteFiles(final List names) throws IOException {
jdbcTemplate.executeBatch(table.sqlDeleteByName(), new JdbcTemplate.PrepateStatementAwareCallback() {
public void fillPrepareStatement(PreparedStatement ps) throws Exception {
ps.setFetchSize(1);
for (Iterator it = names.iterator(); it.hasNext();) {
ps.setString(1, (String) it.next());
}
}
});
return null;
}
}