001    /*****************************************************************************
002     * Copyright (C) PicoContainer Organization. All rights reserved.            *
003     * ------------------------------------------------------------------------- *
004     * The software in this package is published under the terms of the BSD      *
005     * style license a copy of which has been included with this distribution in *
006     * the LICENSE.txt file.                                                     *
007     *                                                                           *
008     * Original code by                                                          *
009     *****************************************************************************/
010    package org.picocontainer.gems.behaviors;
011    
012    import org.picocontainer.behaviors.AbstractBehaviorFactory;
013    import org.picocontainer.gems.GemsCharacteristics;
014    import org.picocontainer.ComponentAdapter;
015    import org.picocontainer.ComponentMonitor;
016    import org.picocontainer.LifecycleStrategy;
017    import org.picocontainer.Parameter;
018    import org.picocontainer.PicoCompositionException;
019    
020    import java.util.Properties;
021    
022    @SuppressWarnings("serial")
023    public class Pooling extends AbstractBehaviorFactory {
024    
025            private final Pooled.Context poolContext;
026    
027        public Pooling(final Pooled.Context poolContext) {
028            this.poolContext = poolContext;
029        }
030    
031        public Pooling() {
032            poolContext = new Pooled.DefaultContext();
033        }
034    
035        @Override
036            public ComponentAdapter createComponentAdapter(final ComponentMonitor componentMonitor, final LifecycleStrategy lifecycleStrategy, final Properties componentProperties, final Object componentKey, final Class componentImplementation, final Parameter... parameters)
037                throws PicoCompositionException {
038            ComponentAdapter delegate = super.createComponentAdapter(componentMonitor, lifecycleStrategy,
039                                                                             componentProperties, componentKey, componentImplementation, parameters);
040    
041            if (AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, GemsCharacteristics.NO_POOL)) {
042                    return delegate;
043                    } 
044            
045            AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, GemsCharacteristics.POOL);
046            Pooled behavior = new Pooled(delegate, poolContext);
047            //TODO
048            //Characteristics.HIDE.setProcessedIn(componentCharacteristics);
049            return componentMonitor.newBehavior(behavior);
050        }
051    
052        @Override
053            public ComponentAdapter addComponentAdapter(final ComponentMonitor componentMonitor,
054                                                    final LifecycleStrategy lifecycleStrategy,
055                                                    final Properties componentProperties,
056                                                    final ComponentAdapter adapter) {
057    
058            if (AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, GemsCharacteristics.NO_POOL)) {
059                    return super.addComponentAdapter(componentMonitor,
060                        lifecycleStrategy,
061                        componentProperties,
062                        adapter);
063                    } 
064            
065            AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, GemsCharacteristics.POOL);
066            return componentMonitor.newBehavior(new Pooled(super.addComponentAdapter(componentMonitor,
067                                             lifecycleStrategy,
068                                             componentProperties,
069                                             adapter), poolContext));
070        }
071    }