Coverage Report - org.apache.commons.functor.core.composite.BaseBinaryPredicateList
 
Classes in this File Line Coverage Branch Coverage Complexity
BaseBinaryPredicateList
71%
15/21
50%
7/14
1.636
 
 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 java.io.Serializable;
 20  
 import java.util.ArrayList;
 21  
 import java.util.List;
 22  
 
 23  
 import org.apache.commons.functor.BinaryPredicate;
 24  
 
 25  
 /**
 26  
  * Abstract base class for {@link BinaryPredicate BinaryPredicates}
 27  
  * composed of a list of {@link BinaryPredicate BinaryPredicates}.
 28  
  * <p>
 29  
  * Note that although this class implements
 30  
  * {@link Serializable}, a given instance will
 31  
  * only be truly <code>Serializable</code> if all the
 32  
  * underlying functors are.  Attempts to serialize
 33  
  * an instance whose delegates are not all
 34  
  * <code>Serializable</code> will result in an exception.
 35  
  * </p>
 36  
  * @version $Revision: 1156337 $ $Date: 2011-08-10 21:44:54 +0200 (Wed, 10 Aug 2011) $
 37  
  * @author Rodney Waldhoff
 38  
  */
 39  
 abstract class BaseBinaryPredicateList<L, R> implements BinaryPredicate<L, R>, Serializable {
 40  
 
 41  
     /**
 42  
      * serialVersionUID declaration.
 43  
      */
 44  
     private static final long serialVersionUID = -8218822378485819939L;
 45  
     // attributes
 46  
     // ------------------------------------------------------------------------
 47  114
     private final List<BinaryPredicate<? super L, ? super R>> list =
 48  
         new ArrayList<BinaryPredicate<? super L, ? super R>>();
 49  
 
 50  
     // constructor
 51  
     // ------------------------------------------------------------------------
 52  
     /**
 53  
      * Create a new BaseBinaryPredicateList.
 54  
      */
 55  
     protected BaseBinaryPredicateList() {
 56  114
         super();
 57  114
     }
 58  
 
 59  
     /**
 60  
      * Create a new BaseBinaryPredicateList instance.
 61  
      *
 62  
      * @param predicates to add
 63  
      */
 64  
     protected BaseBinaryPredicateList(BinaryPredicate<? super L, ? super R>... predicates) {
 65  98
         this();
 66  98
         if (predicates != null) {
 67  278
             for (BinaryPredicate<? super L, ? super R> p : predicates) {
 68  180
                 addBinaryPredicate(p);
 69  
             }
 70  
         }
 71  98
     }
 72  
 
 73  
     /**
 74  
      * Create a new BaseBinaryPredicateList instance.
 75  
      *
 76  
      * @param predicates to add
 77  
      */
 78  
     protected BaseBinaryPredicateList(Iterable<BinaryPredicate<? super L, ? super R>> predicates) {
 79  0
         this();
 80  0
         if (predicates != null) {
 81  0
             for (BinaryPredicate<? super L, ? super R> p : predicates) {
 82  0
                 addBinaryPredicate(p);
 83  
             }
 84  
         }
 85  0
     }
 86  
 
 87  
     // abstract
 88  
     // ------------------------------------------------------------------------
 89  
     /**
 90  
      * {@inheritDoc}
 91  
      */
 92  
     public abstract boolean equals(Object that);
 93  
 
 94  
     /**
 95  
      * {@inheritDoc}
 96  
      */
 97  
     public abstract int hashCode();
 98  
 
 99  
     /**
 100  
      * {@inheritDoc}
 101  
      */
 102  
     public abstract String toString();
 103  
 
 104  
     // modifiers
 105  
     // ------------------------------------------------------------------------
 106  
     /**
 107  
      * Add a BinaryPredicate to the list
 108  
      * @param p BinaryPredicate to add
 109  
      */
 110  
     protected void addBinaryPredicate(BinaryPredicate<? super L, ? super R> p) {
 111  440
         if (p == null) {
 112  0
             throw new IllegalArgumentException("Cannot add null BinaryPredicate");
 113  
         }
 114  440
         list.add(p);
 115  440
     }
 116  
 
 117  
     // protected
 118  
     // ------------------------------------------------------------------------
 119  
     /**
 120  
      * Get the "live" list of contained {@link BinaryPredicate} instances.
 121  
      * @return List
 122  
      */
 123  
     protected List<BinaryPredicate<? super L, ? super R>> getBinaryPredicateList() {
 124  268
         return list;
 125  
     }
 126  
 
 127  
     /**
 128  
      * Learn whether another list is equal to this one.
 129  
      * @param that BaseBinaryPredicateList to test
 130  
      * @return boolean
 131  
      */
 132  
     protected boolean getBinaryPredicateListEquals(BaseBinaryPredicateList<?, ?> that) {
 133  236
         return (null != that && this.list.equals(that.list));
 134  
     }
 135  
 
 136  
     /**
 137  
      * Get a hashCode for the list.
 138  
      * @return int
 139  
      */
 140  
     protected int getBinaryPredicateListHashCode() {
 141  348
         return list.hashCode();
 142  
     }
 143  
 
 144  
     /**
 145  
      * Get a toString for the list.
 146  
      * @return String
 147  
      */
 148  
     protected String getBinaryPredicateListToString() {
 149  332
         return String.valueOf(list);
 150  
     }
 151  
 
 152  
 }