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TabularDataSupport (JBoss/JMX API) - JBoss 4.0.1 sp1 jmx API Documentation 英文版文档

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javax.management.openmbean
Class TabularDataSupport

java.lang.Object
  javax.management.openmbean.TabularDataSupport

All Implemented Interfaces:

Cloneable, Map, Serializable, TabularData

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public class TabularDataSupport

extends Object

implements Cloneable, Map, Serializable, TabularData

An implementation of TabularData.

Version:

$Revision: 1.4 $

Author:

Adrian Brock, Thomas Diesler.

See Also:

Serialized Form

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Nested Class Summary

 

Nested classes inherited from class java.util.Map

Map.Entry

 

Constructor Summary

TabularDataSupport(TabularType tabularType)           Construct Tabular Data with an initial capacity of 101 and a load factor of 0.75

TabularDataSupport(TabularType tabularType, int initialCapacity, float loadFactor)           Construct Tabular Data

 

Method Summary
Object[]	calculateIndex(CompositeData value)           Calculate the index for the value passed if it were added to the tabular data.
void	clear()           Removes all CompositeData values from the Tabular Data
Object	clone()
boolean	containsKey(Object key)
boolean	containsKey(Object[] key)           Determine whether the tabular data contains the passed value as a row.
boolean	containsValue(CompositeData value)           Determine whether the tabular data contains the passed value.
boolean	containsValue(Object value)
Set	entrySet()
boolean	equals(Object obj)           Compares the specified obj parameter with this TabularDataSupport instance for equality.
Object	get(Object key)
CompositeData	get(Object[] key)           Retrieve the composite data for the passed index.
TabularType	getTabularType()           Retrieve the tabular type for this tabular data
int	hashCode()           Generates a hashcode for the implementation.
boolean	isEmpty()           Determine whether the tabular data is empty.
Set	keySet()           Returns a set view of the index values.
void	put(CompositeData value)           Add a value to the tabular data.
Object	put(Object key, Object value)
void	putAll(CompositeData[] values)           Add all the passed values.
void	putAll(Map t)
Object	remove(Object key)
CompositeData	remove(Object[] key)           Removes the value for the passed and returns the removed value, or null if the key was not present.
int	size()           Retrieve the number of rows in the tabular data.
String	toString()           A string representation of the open mbean operation info.
Collection	values()           Returns a set view of the row values.

 

Methods inherited from class java.lang.Object

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

 

Constructor Detail

TabularDataSupport

public TabularDataSupport(TabularType tabularType)

Construct Tabular Data with an initial capacity of 101 and a load factor of 0.75

Parameters:

tabularType - the tabular type of the data

Throws:

IllegalArgumentException - for a null argument

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TabularDataSupport

public TabularDataSupport(TabularType tabularType,
                          int initialCapacity,
                          float loadFactor)

Construct Tabular Data

Parameters:

tabularType - the tabular type of the data

initialCapacity - the initial capacity of the map

loadFactor - the load factory of the map

Throws:

IllegalArgumentException - for a null argument

Method Detail

getTabularType

public TabularType getTabularType()

Description copied from interface: TabularData

Retrieve the tabular type for this tabular data

Specified by:

getTabularType in interface TabularData

Returns:

the tabular type

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calculateIndex

public Object[] calculateIndex(CompositeData value)

Description copied from interface: TabularData

Calculate the index for the value passed if it were added to the tabular data. The validity of the passed value is checked. But the tabular data isn't checked to see whether the index is already used.

Specified by:

calculateIndex in interface TabularData

Parameters:

value - the value for which the index is calculated.

Returns:

the calculated index

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clear

public void clear()

Description copied from interface: TabularData

Removes all CompositeData values from the Tabular Data

Specified by:

clear in interface Map

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containsKey

public boolean containsKey(Object[] key)

Description copied from interface: TabularData

Determine whether the tabular data contains the passed value as a row. If the passed value is null or invalid, false is returned.

Specified by:

containsKey in interface TabularData

Parameters:

key - the value to check

Returns:

true when the value is a row index, false otherwise

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containsValue

public boolean containsValue(CompositeData value)

Description copied from interface: TabularData

Determine whether the tabular data contains the passed value. If the passed value is null or invalid, false is returned.

Specified by:

containsValue in interface TabularData

Parameters:

value - the value to check

Returns:

true when the value is a row index, false otherwise

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get

public CompositeData get(Object[] key)

Description copied from interface: TabularData

Retrieve the composite data for the passed index.

Specified by:

get in interface TabularData

Parameters:

key - the index to retrieve

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isEmpty

public boolean isEmpty()

Description copied from interface: TabularData

Determine whether the tabular data is empty.

Specified by:

isEmpty in interface Map

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keySet

public Set keySet()

Description copied from interface: TabularData

Returns a set view of the index values.

Specified by:

keySet in interface Map

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put

public void put(CompositeData value)

Description copied from interface: TabularData

Add a value to the tabular data. The value must have the same CompositeType has the tabular data and there is no value already occupying the index for the value.

Specified by:

put in interface TabularData

Parameters:

value - the value to add

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putAll

public void putAll(CompositeData[] values)

Description copied from interface: TabularData

Add all the passed values. All the values are checked before addition including any duplicates that might be added. Either all or no value is added.

Specified by:

putAll in interface TabularData

Parameters:

values - the values to add

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remove

public CompositeData remove(Object[] key)

Description copied from interface: TabularData

Removes the value for the passed and returns the removed value, or null if the key was not present.

Specified by:

remove in interface TabularData

Parameters:

key - the index of the value to remove

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size

public int size()

Description copied from interface: TabularData

Retrieve the number of rows in the tabular data.

Specified by:

size in interface Map

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values

public Collection values()

Description copied from interface: TabularData

Returns a set view of the row values.

Specified by:

values in interface Map

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containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

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containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map

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entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

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get

public Object get(Object key)

Specified by:

get in interface Map

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put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

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putAll

public void putAll(Map t)

Specified by:

putAll in interface Map

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remove

public Object remove(Object key)

Specified by:

remove in interface Map

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clone

public Object clone()

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equals

public boolean equals(Object obj)

Compares the specified obj parameter with this TabularDataSupport instance for equality. Returns true if and only if all of the following statements are true: - obj is non null, - obj also implements the TabularData interface, - their tabular types are equal - their contents (ie all CompositeData values) are equal. This ensures that this equals method works properly for obj parameters which are different implementations of the TabularData interface.

Specified by:

equals in interface Map

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hashCode

public int hashCode()

Description copied from interface: TabularData

Generates a hashcode for the implementation.

The sum of the hashCodes for the elements mentioned in the equals method

Specified by:

hashCode in interface Map

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toString

public String toString()

Description copied from interface: TabularData

A string representation of the open mbean operation info.

It is made up of implementation class and the values mentioned in the equals method

Specified by:

toString in interface TabularData

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