bdi4jade.core

Class MetadataElementImpl

java.lang.Object

bdi4jade.core.MetadataElementImpl

All Implemented Interfaces:

MetadataElement

Direct Known Subclasses:

AbstractBelief, AbstractPlan, NamedSoftgoal

public abstract class MetadataElementImpl
extends java.lang.Object
implements MetadataElement

This class provides an implementation to the MetadataElement. It is able to store metadata.

Author:

Ingrid Nunes

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Map<java.lang.Object,java.lang.Object>	metadata

Constructor Summary

Constructors

Constructor and Description
MetadataElementImpl()

Method Summary

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

Constructor Detail

MetadataElementImpl

public MetadataElementImpl()

Method Detail

getMetadata

public java.util.Map<?,?> getMetadata()

Specified by:

getMetadata in interface MetadataElement

Returns:

the metadata

See Also:

MetadataElement.getMetadata()

getMetadata

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

Description copied from interface: MetadataElement

Gets a value of a metadata.

Specified by:

getMetadata in interface MetadataElement

Parameters:

name - the name of the metadata.

Returns:

the existing value of this metadata.

See Also:

MetadataElement.getMetadata(Object)

hasMetadata

public boolean hasMetadata(java.lang.Object name)

Description copied from interface: MetadataElement

Verifies if a metadata is associated with this element.

Specified by:

hasMetadata in interface MetadataElement

Parameters:

name - the name of the metadata.

Returns:

true if the element has this metadata.

See Also:

MetadataElement.hasMetadata(Object)

putMetadata

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

Description copied from interface: MetadataElement

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

Specified by:

putMetadata in interface MetadataElement

Parameters:

name - the name of the metadata.

value - the value associated with this metadata.

See Also:

MetadataElement.putMetadata(Object, Object)

removeMetadata

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

Description copied from interface: MetadataElement

Removes a metadata of this element.

Specified by:

removeMetadata in interface MetadataElement

Parameters:

name - the name of the metadata.

Returns:

the existing value of this metadata.

See Also:

MetadataElement.removeMetadata(Object)