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* Development and Distribution License("CDDL") (collectively, the
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* http://www.netbeans.org/cddl-gplv2.html
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package org.netbeans.modules.j2ee.persistence.unit;
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import java.beans.PropertyChangeEvent;
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import java.beans.PropertyChangeListener;
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import java.util.HashMap;
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import org.netbeans.modules.j2ee.persistence.dd.persistence.model_1_0.PersistenceUnit;
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import org.netbeans.modules.xml.multiview.XmlMultiViewDataObject;
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import org.netbeans.modules.xml.multiview.ui.InnerPanelFactory;
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import org.netbeans.modules.xml.multiview.ui.SectionView;
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import org.netbeans.modules.xml.multiview.ui.ToolBarDesignEditor;
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import org.netbeans.modules.xml.multiview.ui.SectionInnerPanel;
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* Factory for creating persistence unit panels.
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* @author Erno Mononen
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public class PersistenceUnitPanelFactory implements InnerPanelFactory, PropertyChangeListener {
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private PUDataObject dObj;
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private ToolBarDesignEditor editor;
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* A naive cache for preventing reinitialization of persistence unit panels
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* if nothing has changed.
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private Map<PersistenceUnit, PersistenceUnitPanel> cache = new HashMap<PersistenceUnit, PersistenceUnitPanel>(10);
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/** Creates a new instance of PersistenceUnitPanelFactory */
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PersistenceUnitPanelFactory(ToolBarDesignEditor editor, PUDataObject dObj) {
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dObj.addPropertyChangeListener(this);
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* Gets the inner panel associated with the given key or creates a new inner
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* panel if the key had no associated panel yet.
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* @param key the persistence unit whose associated panel should be retrieved.
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public SectionInnerPanel createInnerPanel(Object key) {
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if (!(key instanceof PersistenceUnit)) {
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throw new IllegalArgumentException("The given key must be an instance of PersistenceUnit"); //NO18N
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PersistenceUnit punit = (PersistenceUnit) key;
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PersistenceUnitPanel panel = cache.get(punit);
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panel = new PersistenceUnitPanel((SectionView)editor.getContentView(), dObj, punit);
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cache.put(punit, panel);
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public void propertyChange(PropertyChangeEvent evt) {
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if (!XmlMultiViewDataObject.PROPERTY_DATA_MODIFIED.equals(evt.getPropertyName())){