Coverage Report

Coverage Report - org.apache.commons.lang3.mutable.MutableLong

Classes in this File

Line Coverage

Branch Coverage

Complexity

MutableLong

97%

40/41

100%

8/8

1.182

 /*
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  * 
  *      http://www.apache.org/licenses/LICENSE-2.0
  * 
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package org.apache.commons.lang3.mutable;
 
 /**
  * A mutable <code>long</code> wrapper.
  * <p>
  * Note that as MutableLong does not extend Long, it is not treated by String.format as a Long parameter. 
  * 
  * @see Long
  * @since 2.1
  * @version $Id: MutableLong.java 1436770 2013-01-22 07:09:45Z ggregory $
  */
 public class MutableLong extends Number implements Comparable<MutableLong>, Mutable<Number> {
 
     /**
      * Required for serialization support.
      * 
      * @see java.io.Serializable
      */
     private static final long serialVersionUID = 62986528375L;
 
     /** The mutable value. */
     private long value;
 
     /**
      * Constructs a new MutableLong with the default value of zero.
      */
     public MutableLong() {
         super();
     }
 
     /**
      * Constructs a new MutableLong with the specified value.
      * 
      * @param value  the initial value to store
      */
     public MutableLong(final long value) {
         super();
         this.value = value;
     }
 
     /**
      * Constructs a new MutableLong with the specified value.
      * 
      * @param value  the initial value to store, not null
      * @throws NullPointerException if the object is null
      */
     public MutableLong(final Number value) {
         super();
         this.value = value.longValue();
     }
 
     /**
      * Constructs a new MutableLong parsing the given string.
      * 
      * @param value  the string to parse, not null
      * @throws NumberFormatException if the string cannot be parsed into a long
      * @since 2.5
      */
     public MutableLong(final String value) throws NumberFormatException {
         super();
         this.value = Long.parseLong(value);
     }
 
     //-----------------------------------------------------------------------
     /**
      * Gets the value as a Long instance.
      * 
      * @return the value as a Long, never null
      */
     @Override
     public Long getValue() {
         return Long.valueOf(this.value);
     }
 
     /**
      * Sets the value.
      * 
      * @param value  the value to set
      */
     public void setValue(final long value) {
         this.value = value;
     }
 
     /**
      * Sets the value from any Number instance.
      * 
      * @param value  the value to set, not null
      * @throws NullPointerException if the object is null
      */
     @Override
     public void setValue(final Number value) {
         this.value = value.longValue();
     }
 
     //-----------------------------------------------------------------------
     /**
      * Increments the value.
      *
      * @since Commons Lang 2.2
      */
     public void increment() {
         value++;
     }
 
     /**
      * Decrements the value.
      *
      * @since Commons Lang 2.2
      */
     public void decrement() {
         value--;
     }
 
     //-----------------------------------------------------------------------
     /**
      * Adds a value to the value of this instance.
      * 
      * @param operand  the value to add, not null
      * @since Commons Lang 2.2
      */
     public void add(final long operand) {
         this.value += operand;
     }
 
     /**
      * Adds a value to the value of this instance.
      * 
      * @param operand  the value to add, not null
      * @throws NullPointerException if the object is null
      * @since Commons Lang 2.2
      */
     public void add(final Number operand) {
         this.value += operand.longValue();
     }
 
     /**
      * Subtracts a value from the value of this instance.
      * 
      * @param operand  the value to subtract, not null
      * @since Commons Lang 2.2
      */
     public void subtract(final long operand) {
         this.value -= operand;
     }
 
     /**
      * Subtracts a value from the value of this instance.
      * 
      * @param operand  the value to subtract, not null
      * @throws NullPointerException if the object is null
      * @since Commons Lang 2.2
      */
     public void subtract(final Number operand) {
         this.value -= operand.longValue();
     }
 
     //-----------------------------------------------------------------------
     // shortValue and byteValue rely on Number implementation
     /**
      * Returns the value of this MutableLong as an int.
      *
      * @return the numeric value represented by this object after conversion to type int.
      */
     @Override
     public int intValue() {
         return (int) value;
     }
 
     /**
      * Returns the value of this MutableLong as a long.
      *
      * @return the numeric value represented by this object after conversion to type long.
      */
     @Override
     public long longValue() {
         return value;
     }
 
     /**
      * Returns the value of this MutableLong as a float.
      *
      * @return the numeric value represented by this object after conversion to type float.
      */
     @Override
     public float floatValue() {
         return value;
     }
 
     /**
      * Returns the value of this MutableLong as a double.
      *
      * @return the numeric value represented by this object after conversion to type double.
      */
     @Override
     public double doubleValue() {
         return value;
     }
 
     //-----------------------------------------------------------------------
     /**
      * Gets this mutable as an instance of Long.
      *
      * @return a Long instance containing the value from this mutable, never null
      */
     public Long toLong() {
         return Long.valueOf(longValue());
     }
 
     //-----------------------------------------------------------------------
     /**
      * Compares this object to the specified object. The result is <code>true</code> if and only if the argument
      * is not <code>null</code> and is a <code>MutableLong</code> object that contains the same <code>long</code>
      * value as this object.
      * 
      * @param obj  the object to compare with, null returns false
      * @return <code>true</code> if the objects are the same; <code>false</code> otherwise.
      */
     @Override
     public boolean equals(final Object obj) {
         if (obj instanceof MutableLong) {
             return value == ((MutableLong) obj).longValue();
         }
         return false;
     }
 
     /**
      * Returns a suitable hash code for this mutable.
      * 
      * @return a suitable hash code
      */
     @Override
     public int hashCode() {
         return (int) (value ^ (value >>> 32));
     }
 
     //-----------------------------------------------------------------------
     /**
      * Compares this mutable to another in ascending order.
      * 
      * @param other  the other mutable to compare to, not null
      * @return negative if this is less, zero if equal, positive if greater
      */
     @Override
     public int compareTo(final MutableLong other) {
         final long anotherVal = other.value;
         return value < anotherVal ? -1 : (value == anotherVal ? 0 : 1);
     }
 
     //-----------------------------------------------------------------------
     /**
      * Returns the String value of this mutable.
      * 
      * @return the mutable value as a string
      */
     @Override
     public String toString() {
         return String.valueOf(value);
     }
 
 }

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.lang3.mutable;
18
19		/**
20		* A mutable <code>long</code> wrapper.
21		* <p>
22		* Note that as MutableLong does not extend Long, it is not treated by String.format as a Long parameter.
23		*
24		* @see Long
25		* @since 2.1
26		* @version $Id: MutableLong.java 1436770 2013-01-22 07:09:45Z ggregory $
27		*/
28	0	public class MutableLong extends Number implements Comparable<MutableLong>, Mutable<Number> {
29
30		/**
31		* Required for serialization support.
32		*
33		* @see java.io.Serializable
34		*/
35		private static final long serialVersionUID = 62986528375L;
36
37		/** The mutable value. */
38		private long value;
39
40		/**
41		* Constructs a new MutableLong with the default value of zero.
42		*/
43		public MutableLong() {
44	3	super();
45	3	}
46
47		/**
48		* Constructs a new MutableLong with the specified value.
49		*
50		* @param value the initial value to store
51		*/
52		public MutableLong(final long value) {
53	30	super();
54	30	this.value = value;
55	30	}
56
57		/**
58		* Constructs a new MutableLong with the specified value.
59		*
60		* @param value the initial value to store, not null
61		* @throws NullPointerException if the object is null
62		*/
63		public MutableLong(final Number value) {
64	3	super();
65	3	this.value = value.longValue();
66	2	}
67
68		/**
69		* Constructs a new MutableLong parsing the given string.
70		*
71		* @param value the string to parse, not null
72		* @throws NumberFormatException if the string cannot be parsed into a long
73		* @since 2.5
74		*/
75		public MutableLong(final String value) throws NumberFormatException {
76	1	super();
77	1	this.value = Long.parseLong(value);
78	1	}
79
80		//-----------------------------------------------------------------------
81		/**
82		* Gets the value as a Long instance.
83		*
84		* @return the value as a Long, never null
85		*/
86		@Override
87		public Long getValue() {
88	4	return Long.valueOf(this.value);
89		}
90
91		/**
92		* Sets the value.
93		*
94		* @param value the value to set
95		*/
96		public void setValue(final long value) {
97	1	this.value = value;
98	1	}
99
100		/**
101		* Sets the value from any Number instance.
102		*
103		* @param value the value to set, not null
104		* @throws NullPointerException if the object is null
105		*/
106		@Override
107		public void setValue(final Number value) {
108	3	this.value = value.longValue();
109	2	}
110
111		//-----------------------------------------------------------------------
112		/**
113		* Increments the value.
114		*
115		* @since Commons Lang 2.2
116		*/
117		public void increment() {
118	1	value++;
119	1	}
120
121		/**
122		* Decrements the value.
123		*
124		* @since Commons Lang 2.2
125		*/
126		public void decrement() {
127	1	value--;
128	1	}
129
130		//-----------------------------------------------------------------------
131		/**
132		* Adds a value to the value of this instance.
133		*
134		* @param operand the value to add, not null
135		* @since Commons Lang 2.2
136		*/
137		public void add(final long operand) {
138	1	this.value += operand;
139	1	}
140
141		/**
142		* Adds a value to the value of this instance.
143		*
144		* @param operand the value to add, not null
145		* @throws NullPointerException if the object is null
146		* @since Commons Lang 2.2
147		*/
148		public void add(final Number operand) {
149	1	this.value += operand.longValue();
150	1	}
151
152		/**
153		* Subtracts a value from the value of this instance.
154		*
155		* @param operand the value to subtract, not null
156		* @since Commons Lang 2.2
157		*/
158		public void subtract(final long operand) {
159	1	this.value -= operand;
160	1	}
161
162		/**
163		* Subtracts a value from the value of this instance.
164		*
165		* @param operand the value to subtract, not null
166		* @throws NullPointerException if the object is null
167		* @since Commons Lang 2.2
168		*/
169		public void subtract(final Number operand) {
170	1	this.value -= operand.longValue();
171	1	}
172
173		//-----------------------------------------------------------------------
174		// shortValue and byteValue rely on Number implementation
175		/**
176		* Returns the value of this MutableLong as an int.
177		*
178		* @return the numeric value represented by this object after conversion to type int.
179		*/
180		@Override
181		public int intValue() {
182	11	return (int) value;
183		}
184
185		/**
186		* Returns the value of this MutableLong as a long.
187		*
188		* @return the numeric value represented by this object after conversion to type long.
189		*/
190		@Override
191		public long longValue() {
192	27	return value;
193		}
194
195		/**
196		* Returns the value of this MutableLong as a float.
197		*
198		* @return the numeric value represented by this object after conversion to type float.
199		*/
200		@Override
201		public float floatValue() {
202	1	return value;
203		}
204
205		/**
206		* Returns the value of this MutableLong as a double.
207		*
208		* @return the numeric value represented by this object after conversion to type double.
209		*/
210		@Override
211		public double doubleValue() {
212	1	return value;
213		}
214
215		//-----------------------------------------------------------------------
216		/**
217		* Gets this mutable as an instance of Long.
218		*
219		* @return a Long instance containing the value from this mutable, never null
220		*/
221		public Long toLong() {
222	2	return Long.valueOf(longValue());
223		}
224
225		//-----------------------------------------------------------------------
226		/**
227		* Compares this object to the specified object. The result is <code>true</code> if and only if the argument
228		* is not <code>null</code> and is a <code>MutableLong</code> object that contains the same <code>long</code>
229		* value as this object.
230		*
231		* @param obj the object to compare with, null returns false
232		* @return <code>true</code> if the objects are the same; <code>false</code> otherwise.
233		*/
234		@Override
235		public boolean equals(final Object obj) {
236	10	if (obj instanceof MutableLong) {
237	7	return value == ((MutableLong) obj).longValue();
238		}
239	3	return false;
240		}
241
242		/**
243		* Returns a suitable hash code for this mutable.
244		*
245		* @return a suitable hash code
246		*/
247		@Override
248		public int hashCode() {
249	7	return (int) (value ^ (value >>> 32));
250		}
251
252		//-----------------------------------------------------------------------
253		/**
254		* Compares this mutable to another in ascending order.
255		*
256		* @param other the other mutable to compare to, not null
257		* @return negative if this is less, zero if equal, positive if greater
258		*/
259		@Override
260		public int compareTo(final MutableLong other) {
261	4	final long anotherVal = other.value;
262	3	return value < anotherVal ? -1 : (value == anotherVal ? 0 : 1);
263		}
264
265		//-----------------------------------------------------------------------
266		/**
267		* Returns the String value of this mutable.
268		*
269		* @return the mutable value as a string
270		*/
271		@Override
272		public String toString() {
273	3	return String.valueOf(value);
274		}
275
276		}