Coverage Report - com.allanbank.mongodb.bson.element.MaxKeyElement
 
Classes in this File Line Coverage Branch Coverage Complexity
MaxKeyElement
100%
16/16
100%
2/2
1.286
 
 1  
 /*
 2  
  * #%L
 3  
  * MaxKeyElement.java - mongodb-async-driver - Allanbank Consulting, Inc.
 4  
  * %%
 5  
  * Copyright (C) 2011 - 2014 Allanbank Consulting, Inc.
 6  
  * %%
 7  
  * Licensed under the Apache License, Version 2.0 (the "License");
 8  
  * you may not use this file except in compliance with the License.
 9  
  * 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  
  * #L%
 19  
  */
 20  
 package com.allanbank.mongodb.bson.element;
 21  
 
 22  
 import com.allanbank.mongodb.bson.Element;
 23  
 import com.allanbank.mongodb.bson.ElementType;
 24  
 import com.allanbank.mongodb.bson.Visitor;
 25  
 import com.allanbank.mongodb.bson.io.StringEncoder;
 26  
 
 27  
 /**
 28  
  * A wrapper for a BSON maximum key element.
 29  
  * 
 30  
  * @api.yes This class is part of the driver's API. Public and protected members
 31  
  *          will be deprecated for at least 1 non-bugfix release (version
 32  
  *          numbers are <major>.<minor>.<bugfix>) before being
 33  
  *          removed or modified.
 34  
  * @copyright 2011-2013, Allanbank Consulting, Inc., All Rights Reserved
 35  
  */
 36  37
 public class MaxKeyElement extends AbstractElement {
 37  
 
 38  
     /** The BSON type for a binary. */
 39  1
     public static final ElementType TYPE = ElementType.MAX_KEY;
 40  
 
 41  
     /** Serialization version for the class. */
 42  
     private static final long serialVersionUID = 7706652376786415426L;
 43  
 
 44  
     /**
 45  
      * Computes and returns the number of bytes that are used to encode the
 46  
      * element.
 47  
      * 
 48  
      * @param name
 49  
      *            The name for the element.
 50  
      * @return The size of the element when encoded in bytes.
 51  
      */
 52  
     private static long computeSize(final String name) {
 53  700
         long result = 2; // type (1) + name null byte (1).
 54  700
         result += StringEncoder.utf8Size(name);
 55  
 
 56  700
         return result;
 57  
     }
 58  
 
 59  
     /**
 60  
      * Constructs a new {@link MaxKeyElement}.
 61  
      * 
 62  
      * @param name
 63  
      *            The name for the BSON maximum key.
 64  
      * @throws IllegalArgumentException
 65  
      *             If the {@code name} is <code>null</code>.
 66  
      */
 67  
     public MaxKeyElement(final String name) {
 68  700
         this(name, computeSize(name));
 69  699
     }
 70  
 
 71  
     /**
 72  
      * Constructs a new {@link MaxKeyElement}.
 73  
      * 
 74  
      * @param name
 75  
      *            The name for the BSON maximum key.
 76  
      * @param size
 77  
      *            The size of the element when encoded in bytes. If not known
 78  
      *            then use the {@link MaxKeyElement#MaxKeyElement(String)}
 79  
      *            constructor instead.
 80  
      * @throws IllegalArgumentException
 81  
      *             If the {@code name} is <code>null</code>.
 82  
      */
 83  
     public MaxKeyElement(final String name, final long size) {
 84  708
         super(name, size);
 85  707
     }
 86  
 
 87  
     /**
 88  
      * Accepts the visitor and calls the {@link Visitor#visitMaxKey} method.
 89  
      * 
 90  
      * @see Element#accept(Visitor)
 91  
      */
 92  
     @Override
 93  
     public void accept(final Visitor visitor) {
 94  21
         visitor.visitMaxKey(getName());
 95  21
     }
 96  
 
 97  
     /**
 98  
      * {@inheritDoc}
 99  
      */
 100  
     @Override
 101  
     public ElementType getType() {
 102  48
         return TYPE;
 103  
     }
 104  
 
 105  
     /**
 106  
      * {@inheritDoc}
 107  
      * <p>
 108  
      * Returns a {@link Double} with the value {@link Double#POSITIVE_INFINITY}.
 109  
      * </p>
 110  
      * <p>
 111  
      * <b>Note:</b> This value will not be recreated is a Object-->Element
 112  
      * conversion. Double with the {@link Double#POSITIVE_INFINITY} value is
 113  
      * created instead.
 114  
      * </p>
 115  
      */
 116  
     @Override
 117  
     public Double getValueAsObject() {
 118  1
         return Double.valueOf(Double.POSITIVE_INFINITY);
 119  
     }
 120  
 
 121  
     /**
 122  
      * {@inheritDoc}
 123  
      * <p>
 124  
      * Returns a new {@link MaxKeyElement}.
 125  
      * </p>
 126  
      */
 127  
     @Override
 128  
     public MaxKeyElement withName(final String name) {
 129  39
         if (getName().equals(name)) {
 130  38
             return this;
 131  
         }
 132  1
         return new MaxKeyElement(name);
 133  
     }
 134  
 }