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| package org.picocontainer.alternatives; |
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| import org.picocontainer.LifecycleManager; |
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| import org.picocontainer.PicoVisitor; |
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| import org.picocontainer.Startable; |
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| import org.picocontainer.Disposable; |
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| import org.picocontainer.PicoContainer; |
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| import org.picocontainer.defaults.ComponentMonitor; |
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| import org.picocontainer.defaults.LifecycleVisitor; |
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| import org.picocontainer.defaults.NullComponentMonitor; |
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| import java.lang.reflect.Method; |
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| public class RootVisitingLifecycleManager implements LifecycleManager { |
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| private static final Method START; |
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| private static final Method STOP; |
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| private static final Method DISPOSE; |
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| private PicoVisitor startVisitor; |
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| private PicoVisitor stopVisitor; |
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| private PicoVisitor disposeVisitor; |
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| static { |
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| try {
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| START = Startable.class.getMethod("start", null);
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| STOP = Startable.class.getMethod("stop", null);
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| DISPOSE = Disposable.class.getMethod("dispose", null);
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| } catch (NoSuchMethodException e) { |
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| throw new InternalError(e.getMessage()); |
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| } |
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| } |
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| public RootVisitingLifecycleManager(ComponentMonitor componentMonitor) {
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| this(new LifecycleVisitor(START, Startable.class, true, componentMonitor),
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| new LifecycleVisitor(STOP, Startable.class, false, componentMonitor), |
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| new LifecycleVisitor(DISPOSE, Disposable.class, false, componentMonitor)); |
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| } |
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| public RootVisitingLifecycleManager(PicoVisitor startVisitor, PicoVisitor stopVisitor, PicoVisitor disposeVisitor) {
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| this.startVisitor = startVisitor;
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| this.stopVisitor = stopVisitor;
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| this.disposeVisitor = disposeVisitor;
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| } |
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| public RootVisitingLifecycleManager() {
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| this(new NullComponentMonitor());
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| } |
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| public void start(PicoContainer node) {
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| startVisitor.traverse(node);
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| } |
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| public void stop(PicoContainer node) {
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| stopVisitor.traverse(node);
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| } |
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| public void dispose(PicoContainer node) {
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| disposeVisitor.traverse(node);
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| } |
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| } |