com.cliffc.aa.util.AbstractEntry< TypeK, TypeV > Class Template Reference

A simple implementation of java.util.Map.Entry. More...

Inheritance diagram for com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >:

Collaboration diagram for com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >:

Public Member Functions
	AbstractEntry (final Map.Entry< TypeK, TypeV > e)
	AbstractEntry (final TypeK key, final TypeV val)
boolean	equals (final Object o)
	Equal if the underlying key & value are equal. More...
TypeK	getKey ()
	Return key. More...
TypeV	getValue ()
	Return val. More...
int	hashCode ()
	Compute "key.hashCode() ^ val.hashCode()" More...
String	toString ()
	Return "key=val" string. More...

Protected Attributes
final TypeK	_key
	Strongly typed key. More...
TypeV	_val
	Strongly typed value. More...

Static Private Member Functions
static boolean	eq (final Object o1, final Object o2)

Detailed Description

A simple implementation of java.util.Map.Entry.

Does not implement java.util.Map.Entry#setValue, that is done by users of the class.

Since

1.5

Author

Cliff Click

Parameters

<TypeK>	the type of keys maintained by this map
<TypeV>	the type of mapped values

Definition at line 15 of file AbstractEntry.java.

Constructor & Destructor Documentation

AbstractEntry() [1/2]

com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.AbstractEntry	(	final TypeK	key,
		final TypeV	val
	)

Definition at line 21 of file AbstractEntry.java.

{ _key = key;        _val = val; }

AbstractEntry() [2/2]

com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.AbstractEntry

(

final Map.Entry< TypeK, TypeV >

e

)

Definition at line 22 of file AbstractEntry.java.

{ _key = e.getKey(); _val = e.getValue(); }

Member Function Documentation

eq()

static boolean com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.eq ( final Object  o1, final Object  o2  )

staticprivate

Definition at line 44 of file AbstractEntry.java.

                                                              {
    return (o1 == null ? o2 == null : o1.equals(o2));
  }

Referenced by com.cliffc.aa.util.AbstractEntry< Long, TypeV >.equals().

Here is the caller graph for this function:

equals()

boolean com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.equals

(

final Object

o

)

Equal if the underlying key & value are equal.

Definition at line 31 of file AbstractEntry.java.

                                        {
    if (!(o instanceof Map.Entry)) return false;
    final Map.Entry e = (Map.Entry)o;
    return eq(_key, e.getKey()) && eq(_val, e.getValue());
  }

getKey()

TypeK com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.getKey

(

)

Return key.

Definition at line 26 of file AbstractEntry.java.

{ return _key;  }

getValue()

TypeV com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.getValue

(

)

Return val.

Definition at line 28 of file AbstractEntry.java.

{ return _val;  }

hashCode()

int com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.hashCode

(

)

Compute "key.hashCode() ^ val.hashCode()"

Definition at line 38 of file AbstractEntry.java.

                        {
    return 
      ((_key == null) ? 0 : _key.hashCode()) ^
      ((_val == null) ? 0 : _val.hashCode());
  }

toString()

String com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >.toString

(

)

Return "key=val" string.

Definition at line 24 of file AbstractEntry.java.

{ return _key + "=" + _val; }

Member Data Documentation

_key

final TypeK com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >._key

protected

Strongly typed key.

Definition at line 17 of file AbstractEntry.java.

Referenced by com.cliffc.aa.util.AbstractEntry< Long, TypeV >.AbstractEntry(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.equals(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.getKey(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.hashCode(), com.cliffc.aa.util.NonBlockingHashMap< TypeK, TypeV >.NBHMEntry.setValue(), and com.cliffc.aa.util.AbstractEntry< Long, TypeV >.toString().

_val

TypeV com.cliffc.aa.util.AbstractEntry< TypeK, TypeV >._val

protected

Strongly typed value.

Definition at line 19 of file AbstractEntry.java.

Referenced by com.cliffc.aa.util.AbstractEntry< Long, TypeV >.AbstractEntry(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.equals(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.getValue(), com.cliffc.aa.util.AbstractEntry< Long, TypeV >.hashCode(), com.cliffc.aa.util.NonBlockingHashMap< TypeK, TypeV >.NBHMEntry.setValue(), and com.cliffc.aa.util.AbstractEntry< Long, TypeV >.toString().

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The documentation for this class was generated from the following file:

• AbstractEntry.java