java.util
Class HashMap.Entry

java.lang.Object
  java.util.HashMap.Entry

All Implemented Interfaces:

Map.Entry

Enclosing class:

HashMap

static class HashMap.Entry

extends Object

implements Map.Entry

Class Specifications

represents abstractKey <- this.key; represents abstractValue <- this.value;

Specifications inherited from class Object

represents objectState <- org.jmlspecs.lang.JMLDataGroup.IT; public represents _getClass <- \typeof(this);

Model Field Summary

 

Model fields inherited from class java.lang.Object

_getClass, objectState, theString

 

Model fields inherited from interface java.util.Map.Entry

abstractKey, abstractValue

 

Ghost Field Summary

 

Ghost fields inherited from class java.lang.Object

objectTimesFinalized, owner

 

Ghost fields inherited from interface java.util.Map.Entry

containsNull

 

Field Summary
(package private)  int	hash
(package private)  Object	key
(package private)  HashMap.Entry	next
(package private)  Object	value

 

Constructor Summary
(package private)	HashMap.Entry(int h, Object k, Object v, HashMap.Entry n)

 

Model Method Summary

 

Model methods inherited from class java.lang.Object

hashValue

 

Method Summary
boolean	equals(nullable Object o)
Object	getKey()
Object	getValue()
int	hashCode()
(package private)  void	recordAccess(HashMap m)
(package private)  void	recordRemoval(HashMap m)
Object	setValue(Object newValue)
String	toString()

 

Methods inherited from class java.lang.Object

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

 

Field Detail

key

final Object key

Specifications:
is in groups: abstractKey

value

Object value

Specifications:
is in groups: abstractValue

hash

final int hash

next

HashMap.Entry next

HashMap.Entry

HashMap.Entry(int h,
              Object k,
              Object v,
              HashMap.Entry n)

Specifications:

assignable abstractKey, abstractValue;
ensures this.abstractKey == k&&this.abstractValue == v;

getKey

public Object getKey()

Specified by:

getKey in interface Map.Entry

Specifications: (inherited)pure

Specifications inherited from overridden method in interface Entry:
       pure nullable

public normal_behavior
ensures \result == this.abstractKey;

getValue

public Object getValue()

Specified by:

getValue in interface Map.Entry

Specifications: (inherited)pure

Specifications inherited from overridden method in interface Entry:
       pure nullable

public normal_behavior
ensures \result == this.abstractValue;

setValue

public Object setValue(Object newValue)

Specified by:

setValue in interface Map.Entry

Specifications inherited from overridden method setValue(Object value) in interface Entry:

public behavior
assignable this.abstractValue;
ensures \result == \old(this.abstractValue);
ensures this.abstractValue == value;
signals_only java.lang.NullPointerException, java.lang.UnsupportedOperationException, java.lang.ClassCastException, java.lang.IllegalArgumentException;
signals (java.lang.NullPointerException) \not_modified(this.abstractValue)&&(this.abstractValue == null)&&!this.containsNull;
signals (java.lang.UnsupportedOperationException) \not_modified(this.abstractValue)&&(* if the map's put operation is not supported *);
signals (java.lang.ClassCastException) \not_modified(this.abstractValue)&&(* \typeof(abstractValue) is incompatible with the valueType of this map *);
signals (java.lang.IllegalArgumentException) \not_modified(this.abstractValue)&&(* if some aspect of value is not allowed in the map *);

equals

public boolean equals(nullable Object o)

Specified by:

equals in interface Map.Entry

Overrides:

equals in class Object

Specifications: (inherited)pure

Specifications inherited from overridden method equals(Object obj) in class Object:
       pure

public normal_behavior
requires obj != null;
ensures (* \result is true when obj is "equal to" this object *);

     also

public normal_behavior
requires this == obj;
ensures \result ;

     also

public code normal_behavior
requires obj != null;
ensures \result <==> this == obj;

     also

diverges false;
ensures obj == null ==> !\result ;

Specifications inherited from overridden method equals(Object o) in interface Entry:
       pure

     also

public normal_behavior
requires o instanceof java.util.Map.Entry;
ensures \result == (org.jmlspecs.models.JMLNullSafe.equals(((java.util.Map.Entry)o).abstractKey,this.abstractKey)&&org.jmlspecs.models.JMLNullSafe.equals(((java.util.Map.Entry)o).abstractValue,this.abstractValue));

     also

public normal_behavior
requires !(o instanceof java.util.Map.Entry);
ensures \result == false;

hashCode

public int hashCode()

Specified by:

hashCode in interface Map.Entry

Overrides:

hashCode in class Object

Specifications: (inherited)pure

Specifications inherited from overridden method in class Object:

public behavior
assignable objectState;
ensures (* \result is a hash code for this object *);

     also

public code normal_behavior
assignable \nothing;

Specifications inherited from overridden method in interface Entry:
       pure

toString

public String toString()

Overrides:

toString in class Object

Specifications inherited from overridden method in class Object:
       non_null

public normal_behavior
assignable objectState;
ensures \result != null&&\result .equals(this.theString);
ensures (* \result is a string representation of this object *);

     also

public code normal_behavior
assignable \nothing;
ensures \result != null&&(* \result is the instance's class name, followed by an @, followed by the instance's hashcode in hex *);

     also

public code model_program { ... }

    implies_that

assignable objectState;
ensures \result != null;

recordAccess

void recordAccess(HashMap m)

recordRemoval

void recordRemoval(HashMap m)