org.databene.jdbacl.identity.NkPkQueryIdentity Maven / Gradle / Ivy
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jdbacl stands for 'Java DataBase ACcess Layer' and provides utilities for accessing JDBC databases from
Java programs, retrieving meta information in an object model and querying database data.
/*
* (c) Copyright 2010-2011 by Volker Bergmann. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, is permitted under the terms of the
* GNU General Public License (GPL).
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED CONDITIONS,
* REPRESENTATIONS AND WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE
* HEREBY EXCLUDED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.databene.jdbacl.identity;
import java.sql.Connection;
import org.databene.commons.iterator.TabularIterator;
import org.databene.jdbacl.model.Database;
/**
* {@link IdentityModel} for a flat, non-recursive and independent table.
* Created: 01.09.2010 07:07:00
* @since 0.6.4
* @author Volker Bergmann
*/
public class NkPkQueryIdentity extends IdentityModel {
private String nkPkQuery;
public NkPkQueryIdentity(String tableName, String nkPkQuery) {
super(tableName);
setNkPkQuery(nkPkQuery);
}
public void setNkPkQuery(String nkPkQuery) {
this.nkPkQuery = nkPkQuery;
}
@Override
public String getDescription() {
return "Identity definition by NK-PK query: " + nkPkQuery;
}
@Override
public TabularIterator createNkPkIterator(Connection connection, String dbId, KeyMapper mapper, Database database) {
return query(nkPkQuery, connection);
}
}