Package org.apache.commons.lang.mutable

Class MutableByte

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Comparable, Mutable
    public class MutableByte
extends java.lang.Number
implements java.lang.Comparable, Mutable
    A mutable byte wrapper.
    Since:
    2.1
    See Also:
    Byte, Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      MutableByte()
      Constructs a new MutableByte with the default value of zero.
      MutableByte​(byte value)
      Constructs a new MutableByte with the specified value.
      MutableByte​(java.lang.Number value)
      Constructs a new MutableByte with the specified value.
      MutableByte​(java.lang.String value)
      Constructs a new MutableByte parsing the given string.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void add​(byte operand)
      Adds a value to the value of this instance.
      void add​(java.lang.Number operand)
      Adds a value to the value of this instance.
      byte byteValue()
      Returns the value of this MutableByte as a byte.
      int compareTo​(java.lang.Object obj)
      Compares this mutable to another in ascending order.
      void decrement()
      Decrements the value.
      double doubleValue()
      Returns the value of this MutableByte as a double.
      boolean equals​(java.lang.Object obj)
      Compares this object to the specified object.
      float floatValue()
      Returns the value of this MutableByte as a float.
      java.lang.Object getValue()
      Gets the value as a Byte instance.
      int hashCode()
      Returns a suitable hash code for this mutable.
      void increment()
      Increments the value.
      int intValue()
      Returns the value of this MutableByte as an int.
      long longValue()
      Returns the value of this MutableByte as a long.
      void setValue​(byte value)
      Sets the value.
      void setValue​(java.lang.Object value)
      Sets the value from any Number instance.
      void subtract​(byte operand)
      Subtracts a value from the value of this instance.
      void subtract​(java.lang.Number operand)
      Subtracts a value from the value of this instance.
      java.lang.Byte toByte()
      Gets this mutable as an instance of Byte.
      java.lang.String toString()
      Returns the String value of this mutable.

      • Methods inherited from class java.lang.Number

        shortValue

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • MutableByte

        public MutableByte()
        Constructs a new MutableByte with the default value of zero.

      • MutableByte

        public MutableByte​(byte value)
        Constructs a new MutableByte with the specified value.
        Parameters:
        value - the initial value to store

      • MutableByte

        public MutableByte​(java.lang.Number value)
        Constructs a new MutableByte with the specified value.
        Parameters:
        value - the initial value to store, not null
        Throws:
        java.lang.NullPointerException - if the object is null

      • MutableByte

        public MutableByte​(java.lang.String value)
            throws java.lang.NumberFormatException
        Constructs a new MutableByte parsing the given string.
        Parameters:
        value - the string to parse, not null
        Throws:
        java.lang.NumberFormatException - if the string cannot be parsed into a byte
        Since:
        2.5

    • Method Detail

      • getValue

        public java.lang.Object getValue()
        Gets the value as a Byte instance.
        Specified by:
        getValue in interface Mutable
        Returns:
        the value as a Byte, never null

      • setValue

        public void setValue​(byte value)
        Sets the value.
        Parameters:
        value - the value to set

      • setValue

        public void setValue​(java.lang.Object value)
        Sets the value from any Number instance.
        Specified by:
        setValue in interface Mutable
        Parameters:
        value - the value to set, not null
        Throws:
        java.lang.NullPointerException - if the object is null
        java.lang.ClassCastException - if the type is not a Number

      • increment

        public void increment()
        Increments the value.
        Since:
        Commons Lang 2.2

      • decrement

        public void decrement()
        Decrements the value.
        Since:
        Commons Lang 2.2

      • add

        public void add​(byte operand)
        Adds a value to the value of this instance.
        Parameters:
        operand - the value to add, not null
        Since:
        Commons Lang 2.2

      • add

        public void add​(java.lang.Number operand)
        Adds a value to the value of this instance.
        Parameters:
        operand - the value to add, not null
        Throws:
        java.lang.NullPointerException - if the object is null
        Since:
        Commons Lang 2.2

      • subtract

        public void subtract​(byte operand)
        Subtracts a value from the value of this instance.
        Parameters:
        operand - the value to subtract, not null
        Since:
        Commons Lang 2.2

      • subtract

        public void subtract​(java.lang.Number operand)
        Subtracts a value from the value of this instance.
        Parameters:
        operand - the value to subtract, not null
        Throws:
        java.lang.NullPointerException - if the object is null
        Since:
        Commons Lang 2.2

      • byteValue

        public byte byteValue()
        Returns the value of this MutableByte as a byte.
        Overrides:
        byteValue in class java.lang.Number
        Returns:
        the numeric value represented by this object after conversion to type byte.

      • intValue

        public int intValue()
        Returns the value of this MutableByte as an int.
        Specified by:
        intValue in class java.lang.Number
        Returns:
        the numeric value represented by this object after conversion to type int.

      • longValue

        public long longValue()
        Returns the value of this MutableByte as a long.
        Specified by:
        longValue in class java.lang.Number
        Returns:
        the numeric value represented by this object after conversion to type long.

      • floatValue

        public float floatValue()
        Returns the value of this MutableByte as a float.
        Specified by:
        floatValue in class java.lang.Number
        Returns:
        the numeric value represented by this object after conversion to type float.

      • doubleValue

        public double doubleValue()
        Returns the value of this MutableByte as a double.
        Specified by:
        doubleValue in class java.lang.Number
        Returns:
        the numeric value represented by this object after conversion to type double.

      • toByte

        public java.lang.Byte toByte()
        Gets this mutable as an instance of Byte.
        Returns:
        a Byte instance containing the value from this mutable

      • equals

        public boolean equals​(java.lang.Object obj)
        Compares this object to the specified object. The result is true if and only if the argument is not null and is a MutableByte object that contains the same byte value as this object.
        Overrides:
        equals in class java.lang.Object
        Parameters:
        obj - the object to compare with, null returns false
        Returns:
        true if the objects are the same; false otherwise.

      • hashCode

        public int hashCode()
        Returns a suitable hash code for this mutable.
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        a suitable hash code

      • compareTo

        public int compareTo​(java.lang.Object obj)
        Compares this mutable to another in ascending order.
        Specified by:
        compareTo in interface java.lang.Comparable
        Parameters:
        obj - the other mutable to compare to, not null
        Returns:
        negative if this is less, zero if equal, positive if greater
        Throws:
        java.lang.ClassCastException - if the argument is not a MutableByte

      • toString

        public java.lang.String toString()
        Returns the String value of this mutable.
        Overrides:
        toString in class java.lang.Object
        Returns:
        the mutable value as a string