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Entity implementation classes, events, and other core elements

There is a newer version: 0.7.0-M1

package brooklyn.management.internal;

import groovy.util.ObservableList;

import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

public class GroovyObservablesPropertyChangeToCollectionChangeAdapter implements PropertyChangeListener {
    @SuppressWarnings("rawtypes")
    private final CollectionChangeListener delegate;

    public GroovyObservablesPropertyChangeToCollectionChangeAdapter(@SuppressWarnings("rawtypes") CollectionChangeListener delegate) {
        this.delegate = delegate;
    }

    @SuppressWarnings("unchecked")
    public void propertyChange(PropertyChangeEvent evt) {
        if (evt instanceof ObservableList.ElementAddedEvent) {
            delegate.onItemAdded(evt.getNewValue());
        } else if (evt instanceof ObservableList.ElementRemovedEvent) {
            delegate.onItemRemoved(evt.getOldValue());
        } else if (evt instanceof ObservableList.ElementUpdatedEvent) {
            delegate.onItemRemoved(evt.getOldValue());
            delegate.onItemAdded(evt.getNewValue());
        } else if (evt instanceof ObservableList.ElementClearedEvent) {
            for (Object value : ((ObservableList.ElementClearedEvent) evt).getValues()) {
                delegate.onItemAdded(value);
            }
        } else if(evt instanceof ObservableList.MultiElementAddedEvent ) {
            for(Object value: ((ObservableList.MultiElementAddedEvent)evt).getValues()){
                delegate.onItemAdded(value);
            }
        }
    }

    public int hashCode() {
        return delegate.hashCode();
    }

    public boolean equals(Object other) {
        if (other instanceof GroovyObservablesPropertyChangeToCollectionChangeAdapter)
            return delegate.equals(((GroovyObservablesPropertyChangeToCollectionChangeAdapter) other).delegate);
        if (other instanceof CollectionChangeListener)
            return delegate.equals(other);
        return false;
    }
}