br.pucrio.inf.les.bdijade.util
Class MetadataElement

java.lang.Object
  br.pucrio.inf.les.bdijade.util.MetadataElement

Direct Known Subclasses:

Belief, Plan

public abstract class MetadataElement
extends java.lang.Object

Author:

ingrid

Field Summary

protected java.util.Map<java.lang.String,java.lang.Object>

metadata

Constructor Summary

MetadataElement()

Method Summary

java.util.Map<java.lang.String,java.lang.Object>	getMetadata()
java.lang.Object	getMetadata(java.lang.String name) Gets a value of a metadata.
boolean	hasMetadata(java.lang.String name) Verifies if a metadata is associated with this element.
void	putMetadata(java.lang.String name, java.lang.Object value) Put a metadata in this element.
java.lang.Object	removeMetadata(java.lang.String name) Removes a metadata of this element.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

metadata

protected java.util.Map<java.lang.String,java.lang.Object> metadata

Constructor Detail

MetadataElement

public MetadataElement()

Method Detail

getMetadata

public java.util.Map<java.lang.String,java.lang.Object> getMetadata()

Returns:

the metadata

getMetadata

public java.lang.Object getMetadata(java.lang.String name)

Gets a value of a metadata.

Parameters:

name - the name of the metadata.

Returns:

the existing value of this metadata.

hasMetadata

public boolean hasMetadata(java.lang.String name)

Verifies if a metadata is associated with this element.

Parameters:

name - the name of the metadata.

Returns:

true if the element has this metadata.

putMetadata

public void putMetadata(java.lang.String name,
                        java.lang.Object value)

Put a metadata in this element. If it does not exists, it is added, and it is update otherwise.

Parameters:

name - the name of the metadata.

value - the value associated with this metadata.

removeMetadata

public java.lang.Object removeMetadata(java.lang.String name)

Removes a metadata of this element.

Parameters:

name - the name of the metadata.

Returns:

the existing value of this metadata.