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/*
* $Id: JGraphSQLBusinessModel.java,v 1.2 2005/08/09 08:40:47 david Exp $
*
* Copyright (c) 2001-2005, Gaudenz Alder
*
* See LICENSE file in distribution for licensing details of this source file
*/
package com.jgraph.example.adapter;
import java.sql.SQLException;
import java.util.Collection;
import java.util.List;
import org.jgraph.graph.AttributeMap;
/**
* Allows to set the properties of user objects via the edit method's nested
* argument. You must add (userObject, Map) pairs to the nested map for each
* user object's new attributes.
*/
public class JGraphSQLBusinessModel extends JGraphAdapterModel {
public JGraphSQLBusinessModel() {
super();
}
/**
* @param roots
* @param attributes
*/
public JGraphSQLBusinessModel(List roots, AttributeMap attributes) {
this(roots, attributes, null);
}
/**
* @param roots
* @param attributes
* @param backend
*/
public JGraphSQLBusinessModel(List roots, AttributeMap attributes,
JGraphAdapterBackend backend) {
super(roots, attributes, backend);
}
public void addProperty(Object cell, Object key, Object value) {
if (key != null && value != null) {
try {
Object userObj = getValue(cell);
if (userObj instanceof JGraphSQLEntity
&& getBackend() instanceof JGraphSQLBackend) {
((JGraphSQLBackend) getBackend()).propertyAdded(
(JGraphSQLEntity) userObj, key, value);
fireCommit();
}
} catch (Exception e) {
e.printStackTrace();
try {
fireRollback();
} catch (Exception e1) {
e1.printStackTrace();
}
}
}
super.addProperty(cell, key, value);
}
public Collection findVertices(String query, Object parent)
throws SQLException {
return ((JGraphSQLBackend) getBackend()).findVertices(this, query,
parent);
}
public Collection findEdges(String query, Object parent, Object source,
Object target, boolean directed) throws SQLException {
return ((JGraphSQLBackend) getBackend()).findEdges(this, query, parent,
source, target, directed);
}
}
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