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The Adobe Experience Manager SDK
/*
* 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;
import org.apache.commons.lang3.math.NumberUtils;
/**
* A mutable {@code short} wrapper.
*
* Note that as MutableShort does not extend Short, it is not treated by String.format as a Short parameter.
*
*
* @see Short
* @since 2.1
*/
public class MutableShort extends Number implements Comparable, Mutable {
/**
* Required for serialization support.
*
* @see java.io.Serializable
*/
private static final long serialVersionUID = -2135791679L;
/** The mutable value. */
private short value;
/**
* Constructs a new MutableShort with the default value of zero.
*/
public MutableShort() {
}
/**
* Constructs a new MutableShort with the specified value.
*
* @param value the initial value to store, not null
* @throws NullPointerException if the object is null
*/
public MutableShort(final Number value) {
this.value = value.shortValue();
}
/**
* Constructs a new MutableShort with the specified value.
*
* @param value the initial value to store
*/
public MutableShort(final short value) {
this.value = value;
}
/**
* Constructs a new MutableShort parsing the given string.
*
* @param value the string to parse, not null
* @throws NumberFormatException if the string cannot be parsed into a short
* @since 2.5
*/
public MutableShort(final String value) {
this.value = Short.parseShort(value);
}
/**
* 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 2.2
*/
public void add(final Number operand) {
this.value += operand.shortValue();
}
/**
* Adds a value to the value of this instance.
*
* @param operand the value to add, not null
* @since 2.2
*/
public void add(final short operand) {
this.value += operand;
}
/**
* Increments this instance's value by {@code operand}; this method returns the value associated with the instance
* immediately after the addition operation. This method is not thread safe.
*
* @param operand the quantity to add, not null
* @throws NullPointerException if {@code operand} is null
* @return the value associated with this instance after adding the operand
* @since 3.5
*/
public short addAndGet(final Number operand) {
this.value += operand.shortValue();
return value;
}
/**
* Increments this instance's value by {@code operand}; this method returns the value associated with the instance
* immediately after the addition operation. This method is not thread safe.
*
* @param operand the quantity to add, not null
* @return the value associated with this instance after adding the operand
* @since 3.5
*/
public short addAndGet(final short operand) {
this.value += operand;
return value;
}
/**
* 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 MutableShort other) {
return NumberUtils.compare(this.value, other.value);
}
/**
* Decrements the value.
*
* @since 2.2
*/
public void decrement() {
value--;
}
/**
* Decrements this instance's value by 1; this method returns the value associated with the instance
* immediately after the decrement operation. This method is not thread safe.
*
* @return the value associated with the instance after it is decremented
* @since 3.5
*/
public short decrementAndGet() {
value--;
return value;
}
/**
* Returns the value of this MutableShort as a double.
*
* @return the numeric value represented by this object after conversion to type double.
*/
@Override
public double doubleValue() {
return value;
}
/**
* Compares this object to the specified object. The result is {@code true} if and only if the argument
* is not {@code null} and is a {@link MutableShort} object that contains the same {@code short}
* value as this object.
*
* @param obj the object to compare with, null returns false
* @return {@code true} if the objects are the same; {@code false} otherwise.
*/
@Override
public boolean equals(final Object obj) {
if (obj instanceof MutableShort) {
return value == ((MutableShort) obj).shortValue();
}
return false;
}
/**
* Returns the value of this MutableShort as a float.
*
* @return the numeric value represented by this object after conversion to type float.
*/
@Override
public float floatValue() {
return value;
}
/**
* Increments this instance's value by {@code operand}; this method returns the value associated with the instance
* immediately prior to the addition operation. This method is not thread safe.
*
* @param operand the quantity to add, not null
* @throws NullPointerException if {@code operand} is null
* @return the value associated with this instance immediately before the operand was added
* @since 3.5
*/
public short getAndAdd(final Number operand) {
final short last = value;
this.value += operand.shortValue();
return last;
}
/**
* Increments this instance's value by {@code operand}; this method returns the value associated with the instance
* immediately prior to the addition operation. This method is not thread safe.
*
* @param operand the quantity to add, not null
* @return the value associated with this instance immediately before the operand was added
* @since 3.5
*/
public short getAndAdd(final short operand) {
final short last = value;
this.value += operand;
return last;
}
/**
* Decrements this instance's value by 1; this method returns the value associated with the instance
* immediately prior to the decrement operation. This method is not thread safe.
*
* @return the value associated with the instance before it was decremented
* @since 3.5
*/
public short getAndDecrement() {
final short last = value;
value--;
return last;
}
/**
* Increments this instance's value by 1; this method returns the value associated with the instance
* immediately prior to the increment operation. This method is not thread safe.
*
* @return the value associated with the instance before it was incremented
* @since 3.5
*/
public short getAndIncrement() {
final short last = value;
value++;
return last;
}
/**
* Gets the value as a Short instance.
*
* @return the value as a Short, never null
*/
@Override
public Short getValue() {
return Short.valueOf(this.value);
}
/**
* Returns a suitable hash code for this mutable.
*
* @return a suitable hash code
*/
@Override
public int hashCode() {
return value;
}
/**
* Increments the value.
*
* @since 2.2
*/
public void increment() {
value++;
}
/**
* Increments this instance's value by 1; this method returns the value associated with the instance
* immediately after the increment operation. This method is not thread safe.
*
* @return the value associated with the instance after it is incremented
* @since 3.5
*/
public short incrementAndGet() {
value++;
return value;
}
/**
* Returns the value of this MutableShort as an int.
*
* @return the numeric value represented by this object after conversion to type int.
*/
@Override
public int intValue() {
return value;
}
/**
* Returns the value of this MutableShort as a long.
*
* @return the numeric value represented by this object after conversion to type long.
*/
@Override
public long longValue() {
return 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.shortValue();
}
/**
* Sets the value.
*
* @param value the value to set
*/
public void setValue(final short value) {
this.value = value;
}
// byteValue relies on Number implementation
/**
* Returns the value of this MutableShort as a short.
*
* @return the numeric value represented by this object after conversion to type short.
*/
@Override
public short shortValue() {
return value;
}
/**
* 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 2.2
*/
public void subtract(final Number operand) {
this.value -= operand.shortValue();
}
/**
* Subtracts a value from the value of this instance.
*
* @param operand the value to subtract, not null
* @since 2.2
*/
public void subtract(final short operand) {
this.value -= operand;
}
/**
* Gets this mutable as an instance of Short.
*
* @return a Short instance containing the value from this mutable, never null
*/
public Short toShort() {
return Short.valueOf(shortValue());
}
/**
* Returns the String value of this mutable.
*
* @return the mutable value as a string
*/
@Override
public String toString() {
return String.valueOf(value);
}
}
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