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CPD Results

The following document contains the results of PMD's CPD 4.3.

Duplications

CPD found no problems in your source code.

1		package org.apache.onami.lifecycle;
2
3		/*
4		* Licensed to the Apache Software Foundation (ASF) under one or more
5		* contributor license agreements. See the NOTICE file distributed with
6		* this work for additional information regarding copyright ownership.
7		* The ASF licenses this file to You under the Apache License, Version 2.0
8		* (the "License"); you may not use this file except in compliance with
9		* the License. You may obtain a copy of the License at
10		*
11		* http://www.apache.org/licenses/LICENSE-2.0
12		*
13		* Unless required by applicable law or agreed to in writing, software
14		* distributed under the License is distributed on an "AS IS" BASIS,
15		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16		* See the License for the specific language governing permissions and
17		* limitations under the License.
18		*/
19
20		import java.lang.annotation.Annotation;
21		import java.lang.reflect.Method;
22
23		import com.google.inject.matcher.Matcher;
24		import com.google.inject.spi.InjectionListener;
25		import com.google.inject.spi.TypeEncounter;
26
27		/**
28		* Guice module to register methods to be invoked when {@link Disposer#dispose()} is invoked.
29		*/
30		public final class DisposeModule
31		extends AbstractLifeCycleModule
32		{
33
34		/**
35		* Creates a new module which register methods annotated with {@link Dispose} on methods in any type.
36		*/
37		public DisposeModule()
38		{
39	5	super( Dispose.class );
40	5	}
41
42		/**
43		* Creates a new module which register methods annotated with input annotation on methods
44		* in types filtered by the input matcher.
45		*
46		* @param disposeAnnotationType the <i>Dispose</i> annotation to be searched.
47		* @param typeMatcher the filter for injectee types.
48		*/
49		public <A extends Annotation> DisposeModule( Class<A> disposeAnnotationType,
50		Matcher<Object> typeMatcher )
51		{
52	0	super( disposeAnnotationType, typeMatcher );
53	0	}
54
55		/**
56		* {@inheritDoc}
57		*/
58		@Override
59		protected void configure()
60		{
61	5	final Disposer disposer = new Disposer();
62
63	5	bind( Disposer.class ).toInstance( disposer );
64
65	5	bindListener( getTypeMatcher(), new AbstractMethodTypeListener( getAnnotationType() )
66	5	{
67
68		@Override
69		protected <I> void hear( final Method disposeMethod, TypeEncounter<I> encounter )
70		{
71	5	encounter.register( new InjectionListener<I>()
72	5	{
73
74		public void afterInjection( I injectee )
75		{
76	4	disposer.register( disposeMethod, injectee );
77	4	}
78
79		} );
80	5	}
81
82		} );
83	5	}
84
85		}

1		package org.apache.onami.lifecycle;
2
3		/*
4		* Licensed to the Apache Software Foundation (ASF) under one or more
5		* contributor license agreements. See the NOTICE file distributed with
6		* this work for additional information regarding copyright ownership.
7		* The ASF licenses this file to You under the Apache License, Version 2.0
8		* (the "License"); you may not use this file except in compliance with
9		* the License. You may obtain a copy of the License at
10		*
11		* http://www.apache.org/licenses/LICENSE-2.0
12		*
13		* Unless required by applicable law or agreed to in writing, software
14		* distributed under the License is distributed on an "AS IS" BASIS,
15		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16		* See the License for the specific language governing permissions and
17		* limitations under the License.
18		*/
19
20		import java.lang.reflect.InvocationTargetException;
21		import java.lang.reflect.Method;
22		import java.util.LinkedList;
23		import java.util.List;
24
25		/**
26		* A Disposer is a mini-container that releases resources
27		* invoking injectees methods annotated by {@code Dispose}.
28		*/
29	5	public final class Disposer
30		{
31
32		/**
33		* List of elements have to be disposed.
34		*/
35	5	private final List<Disposable> disposables = new LinkedList<Disposable>();
36
37		/**
38		* Register an injectee and its related method to release resources.
39		*
40		* @param disposeMethod the method to be invoked to release resources
41		* @param injectee the target injectee has to release the resources
42		*/
43		<I> void register( Method disposeMethod, I injectee )
44		{
45	4	disposables.add( new Disposable( disposeMethod, injectee ) );
46	4	}
47
48		/**
49		* Releases resources invoking the {@code Dispose} annotated methods,
50		* successes/errors will be muted.
51		*/
52		public void dispose()
53		{
54	1	dispose( new NoOpDisposeHandler() );
55	1	}
56
57		/**
58		* Releases resources invoking the {@code Dispose} annotated methods,
59		* successes/errors will be tracked in the input {@link DisposeHandler}.
60		*
61		* @param disposeHandler the DisposeHandler instance that tracks dispose progresses.
62		*/
63		public void dispose( DisposeHandler disposeHandler )
64		{
65	2	if ( disposeHandler == null )
66		{
67	0	disposeHandler = new NoOpDisposeHandler();
68		}
69
70	2	for ( Disposable disposable : disposables )
71		{
72	2	disposable.dispose( disposeHandler );
73		}
74	2	}
75
76		/**
77		* NOOP {@code DisposeHandler} implementation.
78		*/
79	2	private static final class NoOpDisposeHandler
80		implements DisposeHandler
81		{
82
83		/**
84		* {@inheritDoc}
85		*/
86		public <I, E extends Throwable> void onError( I injectee, E error )
87		{
88		// do nothing
89	0	}
90
91		/**
92		* {@inheritDoc}
93		*/
94		public <I> void onSuccess( I injectee )
95		{
96		// do nothing
97	0	}
98
99		}
100
101		/**
102		* A {@code Disposable} is a reference to a disposable injectee and related method to release resources.
103		*/
104	5	private static final class Disposable
105		{
106
107		/**
108		* The method to be invoked to release resources.
109		*/
110		private final Method disposeMethod;
111
112		/**
113		* The target injectee has to release the resources.
114		*/
115		private final Object injectee;
116
117		/**
118		* Creates a new {@code Disposable} reference.
119		*
120		* @param disposeMethod the method to be invoked to release resources
121		* @param injectee the target injectee has to release the resources
122		*/
123		public Disposable( Method disposeMethod, Object injectee )
124	4	{
125	4	this.disposeMethod = disposeMethod;
126	4	this.injectee = injectee;
127	4	}
128
129		/**
130		* Disposes allocated resources by invoking the injectee method
131		* annotated by {@code Dispose}, tracking progresses in the
132		* input {@code DisposeHandler}.
133		*
134		* @param disposeHandler the handler to track dispose progresses.
135		*/
136		public void dispose( DisposeHandler disposeHandler )
137		{
138		try
139		{
140	2	disposeMethod.invoke( injectee );
141		}
142	0	catch ( IllegalArgumentException e )
143		{
144	0	disposeHandler.onError( injectee, e );
145		}
146	0	catch ( IllegalAccessException e )
147		{
148	0	disposeHandler.onError( injectee, e );
149		}
150	1	catch ( InvocationTargetException e )
151		{
152	1	disposeHandler.onError( injectee, e.getTargetException() );
153	1	}
154	2	}
155
156		}
157
158		}

Coverage Report - org.apache.onami.lifecycle.DisposeModule

Coverage Report - org.apache.onami.lifecycle.Disposer

Apache Onami-Lifecycle

CPD Results

Duplications