| Clover Coverage Report - perfectjpattern(Aggregated) |
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| Invoker | Line # 40 | 11 | 11.5% | 8 | 0 | 100% |
1.0
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| Result | |||
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0.5217391
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org.perfectjpattern.core.behavioral.command.TestInvoker.testInvokerInvalidStateDetected
org.perfectjpattern.core.behavioral.command.TestInvoker.testInvokerInvalidStateDetected
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1 PASS | |
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0.3478261
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org.perfectjpattern.core.behavioral.command.TestExample.testCommand
org.perfectjpattern.core.behavioral.command.TestExample.testCommand
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1 PASS | |
| 1 | //---------------------------------------------------------------------- | |
| 2 | // | |
| 3 | // PerfectJPattern: "Design patterns are good but components are better!" | |
| 4 | // Invoker.java Copyright (c) 2009 Giovanni Azua Garcia | |
| 5 | // bravegag@hotmail.com | |
| 6 | // | |
| 7 | // This program is free software; you can redistribute it and/or | |
| 8 | // modify it under the terms of the GNU General Public License | |
| 9 | // as published by the Free Software Foundation; either version 3 | |
| 10 | // of the License, or (at your option) any later version. | |
| 11 | // | |
| 12 | // This program is distributed in the hope that it will be useful, | |
| 13 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | // GNU General Public License for more details. | |
| 16 | // | |
| 17 | // You should have received a copy of the GNU General Public License | |
| 18 | // along with this program; if not, see <http://www.gnu.org/licenses/>. | |
| 19 | // | |
| 20 | //---------------------------------------------------------------------- | |
| 21 | package org.perfectjpattern.core.behavioral.command; | |
| 22 | ||
| 23 | import org.apache.commons.lang.*; | |
| 24 | import org.perfectjpattern.core.api.behavioral.command.*; | |
| 25 | ||
| 26 | ||
| 27 | /** | |
| 28 | * Base core implementation of <code>IInvoker</code> interface. | |
| 29 | * <br/> | |
| 30 | * | |
| 31 | * @see IInvoker | |
| 32 | * | |
| 33 | * @param <P> Command Parameter context-specific. | |
| 34 | * @param <R> Command Result context-specific. | |
| 35 | * | |
| 36 | * @author <a href="mailto:bravegag@hotmail.com">Giovanni Azua</a> | |
| 37 | * @version $Revision: 1.0 $ $Date: Jun 23, 2007 2:34:57 AM $ | |
| 38 | */ | |
| 39 | public | |
| 40 | class Invoker<P, R> | |
| 41 | implements IInvoker<P, R> | |
| 42 | { | |
| 43 | //------------------------------------------------------------------------ | |
| 44 | // public | |
| 45 | //------------------------------------------------------------------------ | |
| 46 | /** | |
| 47 | * {@inheritDoc} | |
| 48 | */ | |
| 49 | 5 |
 public R |
| 50 | getResult() | |
| 51 | throws IllegalStateException | |
| 52 | { | |
| 53 | 5 | if (theCommand == null) |
| 54 | { | |
| 55 | throw new IllegalStateException("ICommand was not set."); | |
| 56 | } | |
| 57 | ||
| 58 | 4 | R myResult = theCommand.getResult(); |
| 59 | 4 | if (myResult == null) |
| 60 | { | |
| 61 | throw new IllegalStateException("No result available."); | |
| 62 | } | |
| 63 | ||
| 64 | 3 | return myResult; |
| 65 | } | |
| 66 | ||
| 67 | //------------------------------------------------------------------------ | |
| 68 | /** | |
| 69 | * {@inheritDoc} | |
| 70 | */ | |
| 71 | 7 |
public void |
| 72 | invoke() | |
| 73 | throws IllegalStateException | |
| 74 | { | |
| 75 | 7 | if (theCommand == null) |
| 76 | { | |
| 77 | throw new IllegalStateException("ICommand was not set."); | |
| 78 | } | |
| 79 | ||
| 80 | 6 | if (theParameter != null) |
| 81 | { | |
| 82 | 3 | theCommand.setParameter(theParameter); |
| 83 | } | |
| 84 | ||
| 85 | 6 | theCommand.execute(); |
| 86 | } | |
| 87 | ||
| 88 | //------------------------------------------------------------------------ | |
| 89 | /** | |
| 90 | * {@inheritDoc} | |
| 91 | */ | |
| 92 | 7 |
public void |
| 93 | setCommand(ICommand<P, R> aCommand) | |
| 94 | { | |
| 95 | 7 | theCommand = aCommand; |
| 96 | } | |
| 97 | ||
| 98 | //------------------------------------------------------------------------ | |
| 99 | /** | |
| 100 | * {@inheritDoc} | |
| 101 | */ | |
| 102 | 3 |
public void |
| 103 | setParameter(P aParameter) | |
| 104 | throws IllegalArgumentException | |
| 105 | { | |
| 106 | 3 | Validate.notNull(aParameter, "'aParameter' must not be null"); |
| 107 | ||
| 108 | 3 | theParameter = aParameter; |
| 109 | } | |
| 110 | ||
| 111 | //------------------------------------------------------------------------ | |
| 112 | // members | |
| 113 | //------------------------------------------------------------------------ | |
| 114 | /** | |
| 115 | * The <code>ICommand</code> instance. | |
| 116 | */ | |
| 117 | private ICommand<P, R> theCommand; | |
| 118 | ||
| 119 | /** | |
| 120 | * The <code>IParameter</code> instance. | |
| 121 | */ | |
| 122 | private P theParameter; | |
| 123 | } | |
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