com.xiaoleilu.hutool.lang.mutable.MutableShort Maven / Gradle / Ivy
package com.xiaoleilu.hutool.lang.mutable;
import com.xiaoleilu.hutool.util.NumberUtil;
/**
* 可变 short
类型
*
* @see Short
* @since 3.0.1
*/
public class MutableShort extends Number implements Comparable, Mutable {
private static final long serialVersionUID = -7982037656814990915L;
private short value;
/**
* 构造,默认值0
*/
public MutableShort() {
super();
}
/**
* 构造
* @param value 值
*/
public MutableShort(final short value) {
super();
this.value = value;
}
/**
* 构造
* @param value 值
*/
public MutableShort(final Number value) {
this(value.shortValue());
}
/**
* 构造
* @param value String值
* @throws NumberFormatException 转为Short错误
*/
public MutableShort(final String value) throws NumberFormatException {
super();
this.value = Short.parseShort(value);
}
@Override
public Short get() {
return Short.valueOf(this.value);
}
/**
* 设置值
* @param value 值
*/
public void set(final short value) {
this.value = value;
}
@Override
public void set(final Number value) {
this.value = value.shortValue();
}
// -----------------------------------------------------------------------
/**
* 值+1
* @return this
*/
public MutableShort increment() {
value++;
return this;
}
/**
* 值减一
* @return this
*/
public MutableShort decrement() {
value--;
return this;
}
// -----------------------------------------------------------------------
/**
* 增加值
* @param operand 被增加的值
* @return this
*/
public MutableShort add(final short operand) {
this.value += operand;
return this;
}
/**
* 增加值
* @param operand 被增加的值,非空
* @return this
* @throws NullPointerException if the object is null
*/
public MutableShort add(final Number operand) {
this.value += operand.shortValue();
return this;
}
/**
* 减去值
*
* @param operand 被减的值
* @return this
*/
public MutableShort subtract(final short operand) {
this.value -= operand;
return this;
}
/**
* 减去值
*
* @param operand 被减的值,非空
* @return this
* @throws NullPointerException if the object is null
*/
public MutableShort subtract(final Number operand) {
this.value -= operand.shortValue();
return this;
}
// -----------------------------------------------------------------------
@Override
public short shortValue() {
return value;
}
@Override
public int intValue() {
return value;
}
@Override
public long longValue() {
return value;
}
@Override
public float floatValue() {
return value;
}
@Override
public double doubleValue() {
return value;
}
// -----------------------------------------------------------------------
/**
* 相等需同时满足如下条件:
*
* - 非空
* - 类型为 {@link MutableShort}
* - 值相等
*
*
* @param obj 比对的对象
* @return 相同返回true
,否则 false
*/
@Override
public boolean equals(final Object obj) {
if (obj instanceof MutableShort) {
return value == ((MutableShort) obj).shortValue();
}
return false;
}
@Override
public int hashCode() {
return value;
}
// -----------------------------------------------------------------------
/**
* 比较
*
* @param other 其它 {@link MutableShort} 对象
* @return x==y返回0,x<y返回-1,x>y返回1
*/
@Override
public int compareTo(final MutableShort other) {
return NumberUtil.compare(this.value, other.value);
}
// -----------------------------------------------------------------------
@Override
public String toString() {
return String.valueOf(value);
}
}
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