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Java Source Code / Java Documentation » JMX » jfoxmx » javax.management.openmbean

Source Cross Reference Class Diagram Java Document (Java Doc)

javax.management.openmbean .CompositeData

All known Subclasses:   javax.management.openmbean .CompositeDataSupport,
CompositeData
public interface CompositeData (Code)

author:
   Young Yang

Method Summary
public boolean containsKey(String key)
     Returns true if and only if this CompositeData instance contains an item whose name is key. If key is a null or empty String, this method simply returns false.
Parameters:
  key - the key to be tested.
public boolean containsValue(Object value)
     Returns true if and only if this CompositeData instance contains an item whose value is value.
Parameters:
  value - the value to be tested.
public boolean equals(Object obj)
     Compares the specified obj parameter with this CompositeData instance for equality.
public Object get(String key)
     Returns the value of the item whose name is key.
Parameters:
  key - the name of the item.
public Object[] getAll(String[] keys)
     Returns an array of the values of the items whose names are specified by keys, in the same order as keys.
Parameters:
  keys - the names of the items.
public CompositeType getCompositeType()
     Returns the composite type of this composite data instance.
public int hashCode()
     Returns the hash code value for this CompositeData instance.
public String toString()
     Returns a string representation of this CompositeData instance.
public Collection values()
     Returns an unmodifiable Collection view of the item values contained in this CompositeData instance.

Method Detail
containsKey
public boolean containsKey(String key)(Code)
Returns true if and only if this CompositeData instance contains an item whose name is key. If key is a null or empty String, this method simply returns false.
Parameters:
  key - the key to be tested. true if this CompositeData contains the key.

containsValue
public boolean containsValue(Object value)(Code)
Returns true if and only if this CompositeData instance contains an item whose value is value.
Parameters:
  value - the value to be tested. true if this CompositeData contains the value.

equals
public boolean equals(Object obj)(Code)
Compares the specified obj parameter with this CompositeData instance for equality.
Returns true if and only if all of the following statements are true:

obj is non null,

obj also implements the CompositeData interface,

their composite types are equal

their contents (ie item values) are equal.

This ensures that this equals method works properly for obj parameters which are different implementations of the CompositeData interface.

Parameters:
  obj - the object to be compared for equality with this CompositeData instance; true if the specified object is equal to this CompositeData instance.

get
public Object get(String key)(Code)
Returns the value of the item whose name is key.
Parameters:
  key - the name of the item. the value associated with this key.
throws:
  IllegalArgumentException - if key is a null or empty String.
throws:
  InvalidKeyException - if key is not an existing item name for this CompositeData instance.

getAll
public Object[] getAll(String[] keys)(Code)
Returns an array of the values of the items whose names are specified by keys, in the same order as keys.
Parameters:
  keys - the names of the items. the values corresponding to the keys.
throws:
  IllegalArgumentException - if an element in keys is a null or empty String.
throws:
  InvalidKeyException - if an element in keys is not an existing item name for this CompositeData instance.

getCompositeType
public CompositeType getCompositeType()(Code)
Returns the composite type of this composite data instance. the type of this CompositeData.

hashCode
public int hashCode()(Code)
Returns the hash code value for this CompositeData instance.
The hash code of a CompositeData instance is the sum of the hash codes of all elements of information used in equals comparisons (ie: its composite type and all the item values).
This ensures that t1.equals(t2) implies that t1.hashCode()==t2.hashCode() for any two CompositeData instances t1 and t2, as required by the general contract of the method Object.hashCode .
the hash code value for this CompositeData instance

toString
public String toString()(Code)
Returns a string representation of this CompositeData instance.
The string representation consists of the name of the implementing class, the string representation of the composite type of this instance, and the string representation of the contents (ie list the itemName=itemValue mappings). a string representation of this CompositeData instance

values
public Collection values()(Code)
Returns an unmodifiable Collection view of the item values contained in this CompositeData instance. The returned collection's iterator will return the values in the ascending lexicographic order of the corresponding item names. the values.

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