Package org.apache.commons.collections.keyvalue

Class AbstractMapEntry

  • All Implemented Interfaces:
    java.util.Map.Entry, KeyValue
    Direct Known Subclasses:
    DefaultMapEntry, UnmodifiableMapEntry
    public abstract class AbstractMapEntry
extends AbstractKeyValue
implements java.util.Map.Entry
    Abstract Pair class to assist with creating correct Map.Entry implementations.
    Since:
    Commons Collections 3.0

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)
      Compares this Map.Entry with another Map.Entry.
      int hashCode()
      Gets a hashCode compatible with the equals method.
      java.lang.Object setValue​(java.lang.Object value)
      Sets the value stored in this Map.Entry.

      • Methods inherited from class java.lang.Object

        getClass, notify, notifyAll, wait, wait, wait

      • Methods inherited from interface java.util.Map.Entry

        getKey, getValue

    • Method Detail

      • setValue

        public java.lang.Object setValue​(java.lang.Object value)
        Sets the value stored in this Map.Entry.

        This Map.Entry is not connected to a Map, so only the local data is changed.

        Specified by:
        setValue in interface java.util.Map.Entry
        Parameters:
        value - the new value
        Returns:
        the previous value

      • equals

        public boolean equals​(java.lang.Object obj)
        Compares this Map.Entry with another Map.Entry.

        Implemented per API documentation of Map.Entry.equals(Object)

        Specified by:
        equals in interface java.util.Map.Entry
        Overrides:
        equals in class java.lang.Object
        Parameters:
        obj - the object to compare to
        Returns:
        true if equal key and value

      • hashCode

        public int hashCode()
        Gets a hashCode compatible with the equals method.

        Implemented per API documentation of Map.Entry.hashCode()

        Specified by:
        hashCode in interface java.util.Map.Entry
        Overrides:
        hashCode in class java.lang.Object
        Returns:
        a suitable hash code