Package org.apache.commons.lang.mutable

Class MutableObject

  • All Implemented Interfaces:
    java.io.Serializable, Mutable
    public class MutableObject
extends java.lang.Object
implements Mutable, java.io.Serializable
    A mutable Object wrapper.
    Since:
    2.1
    Version:
    $Id: MutableObject.java 905636 2010-02-02 14:03:32Z niallp $
    See Also:
    Serialized Form

    • Field Summary

      Fields 
      Modifier and Type Field Description
      private static long serialVersionUID
      Required for serialization support.
      private java.lang.Object value
      The mutable value.

    • Constructor Summary

      Constructors 
      Constructor Description
      MutableObject()
      Constructs a new MutableObject with the default value of null.
      MutableObject​(java.lang.Object value)
      Constructs a new MutableObject with the specified value.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)
      Compares this object against the specified object.
      java.lang.Object getValue()
      Gets the value.
      int hashCode()
      Returns the value's hash code or 0 if the value is null.
      void setValue​(java.lang.Object value)
      Sets the value.
      java.lang.String toString()
      Returns the String value of this mutable.

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Field Detail

      • serialVersionUID

        private static final long serialVersionUID
        Required for serialization support.
        See Also:
        Serializable, Constant Field Values

      • value

        private java.lang.Object value
        The mutable value.

    • Constructor Detail

      • MutableObject

        public MutableObject()
        Constructs a new MutableObject with the default value of null.

      • MutableObject

        public MutableObject​(java.lang.Object value)
        Constructs a new MutableObject with the specified value.
        Parameters:
        value - the initial value to store

    • Method Detail

      • getValue

        public java.lang.Object getValue()
        Gets the value.
        Specified by:
        getValue in interface Mutable
        Returns:
        the value, may be null

      • setValue

        public void setValue​(java.lang.Object value)
        Sets the value.
        Specified by:
        setValue in interface Mutable
        Parameters:
        value - the value to set

      • equals

        public boolean equals​(java.lang.Object obj)
        Compares this object against the specified object. The result is true if and only if the argument is not null and is a MutableObject object that contains the same Object 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 the value's hash code or 0 if the value is null.
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        the value's hash code or 0 if the value is null.

      • 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