org.picocontainer.behaviors.OptInCaching Maven / Gradle / Ivy
The newest version!
/*****************************************************************************
* Copyright (c) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
* *
* Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant *
*****************************************************************************/
package org.picocontainer.behaviors;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.Parameter;
import org.picocontainer.PicoCompositionException;
import org.picocontainer.Characteristics;
import org.picocontainer.ComponentMonitor;
import org.picocontainer.behaviors.Cached;
import org.picocontainer.behaviors.AbstractBehaviorFactory;
import org.picocontainer.LifecycleStrategy;
import java.util.Properties;
/**
* Behavior that turns off Caching behavior by default.
* Example:
*
* import org.picocontainer.*;
* import static org.picocontainer.Characteristics.*;
*
* MutablePicoContainer mpc = new PicoBuilder().withBehaviors(new OptInCaching()).build();
* mpc.addComponent(Map.class, HashMap.class) //Multiple Instances, no Caching.
* mpc.as(CACHE).addComponent(Set.class, HashSet.class) //Single Cached Instance.
*
* @author Aslak Hellesøy
* @author [email protected]
*/
@SuppressWarnings("serial")
public class OptInCaching extends AbstractBehaviorFactory {
public ComponentAdapter createComponentAdapter(ComponentMonitor componentMonitor, LifecycleStrategy lifecycleStrategy, Properties componentProperties, Object componentKey,
Class componentImplementation, Parameter... parameters)
throws PicoCompositionException {
if (AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, Characteristics.CACHE)) {
return componentMonitor.newBehavior(new Cached(super.createComponentAdapter(componentMonitor,
lifecycleStrategy,
componentProperties,
componentKey,
componentImplementation,
parameters)));
}
AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, Characteristics.NO_CACHE);
return super.createComponentAdapter(componentMonitor, lifecycleStrategy,
componentProperties, componentKey, componentImplementation, parameters);
}
public ComponentAdapter addComponentAdapter(ComponentMonitor componentMonitor,
LifecycleStrategy lifecycleStrategy,
Properties componentProperties,
ComponentAdapter adapter) {
if (AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, Characteristics.CACHE)) {
return componentMonitor.newBehavior(new Cached(super.addComponentAdapter(componentMonitor,
lifecycleStrategy,
componentProperties,
adapter)));
}
AbstractBehaviorFactory.removePropertiesIfPresent(componentProperties, Characteristics.NO_CACHE);
return super.addComponentAdapter(componentMonitor,
lifecycleStrategy,
componentProperties,
adapter);
}
}