| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| AbstractLoopProcedure |
|
| 2.2857142857142856;2.286 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | package org.apache.commons.functor.core.composite; | |
| 18 | ||
| 19 | import org.apache.commons.functor.Predicate; | |
| 20 | import org.apache.commons.functor.Procedure; | |
| 21 | ||
| 22 | import java.io.Serializable; | |
| 23 | ||
| 24 | /** | |
| 25 | * Abstract base class for {@link WhileDoProcedure} and {@link DoWhileProcedure} | |
| 26 | * used to implement loop procedures. | |
| 27 | * <p> | |
| 28 | * @version $Revision: 1171154 $ $Date: 2011-09-15 17:58:38 +0200 (Thu, 15 Sep 2011) $ | |
| 29 | * @author Herve Quiroz | |
| 30 | * @author Rodney Waldhoff | |
| 31 | */ | |
| 32 | public abstract class AbstractLoopProcedure implements Procedure, Serializable { | |
| 33 | /** | |
| 34 | * serialVersionUID declaration. | |
| 35 | */ | |
| 36 | private static final long serialVersionUID = -5903381842630236070L; | |
| 37 | ||
| 38 | /** Base hash integer used to shift hash */ | |
| 39 | private static final int HASH_SHIFT = 4; | |
| 40 | ||
| 41 | private final Predicate condition; | |
| 42 | private final Procedure action; | |
| 43 | ||
| 44 | /** | |
| 45 | * Create a new AbstractLoopProcedure. | |
| 46 | * @param condition while true, repeat | |
| 47 | * @param action loop body | |
| 48 | */ | |
| 49 | 38 | protected AbstractLoopProcedure(Predicate condition, Procedure action) { |
| 50 | 38 | this.condition = condition; |
| 51 | 38 | this.action = action; |
| 52 | 38 | } |
| 53 | ||
| 54 | /** | |
| 55 | * {@inheritDoc} | |
| 56 | */ | |
| 57 | public final boolean equals(Object object) { | |
| 58 | 34 | if (object == this) { |
| 59 | 8 | return true; |
| 60 | } | |
| 61 | 26 | if (!(object instanceof AbstractLoopProcedure)) { |
| 62 | 8 | return false; |
| 63 | } | |
| 64 | 18 | AbstractLoopProcedure that = (AbstractLoopProcedure) object; |
| 65 | 18 | return (null == getCondition() ? null == that.getCondition() : getCondition().equals(that.getCondition())) |
| 66 | && (null == getAction() ? null == that.getAction() : getAction().equals(that.getAction())); | |
| 67 | } | |
| 68 | ||
| 69 | /** | |
| 70 | * {@inheritDoc} | |
| 71 | */ | |
| 72 | public int hashCode() { | |
| 73 | 46 | return hashCode("AbstractLoopProcedure".hashCode()); |
| 74 | } | |
| 75 | ||
| 76 | /** | |
| 77 | * {@inheritDoc} | |
| 78 | */ | |
| 79 | public String toString() { | |
| 80 | 8 | return getClass().getName() + "<" + getCondition() + "," + getAction() + ">"; |
| 81 | } | |
| 82 | ||
| 83 | /** | |
| 84 | * Create a hashCode by manipulating an input hashCode and factoring in instance state. | |
| 85 | * @param hash incoming hashCode | |
| 86 | * @return int | |
| 87 | */ | |
| 88 | protected int hashCode(int hash) { | |
| 89 | 46 | hash <<= HASH_SHIFT; |
| 90 | 46 | if (null != getAction()) { |
| 91 | 42 | hash ^= getAction().hashCode(); |
| 92 | } | |
| 93 | 46 | hash <<= HASH_SHIFT; |
| 94 | 46 | if (null != getCondition()) { |
| 95 | 42 | hash ^= getCondition().hashCode(); |
| 96 | } | |
| 97 | 46 | return hash; |
| 98 | } | |
| 99 | ||
| 100 | /** | |
| 101 | * Get the condition. | |
| 102 | * @return Predicate | |
| 103 | */ | |
| 104 | protected final Predicate getCondition() { | |
| 105 | 196 | return condition; |
| 106 | } | |
| 107 | ||
| 108 | /** | |
| 109 | * Get the action. | |
| 110 | * @return Procedure | |
| 111 | */ | |
| 112 | protected final Procedure getAction() { | |
| 113 | 190 | return action; |
| 114 | } | |
| 115 | ||
| 116 | } |