Package org.jboss.as.controller.transform

Class DiscardAttributesTransformer.AttributeValueDiscardApprover

java.lang.Object

org.jboss.as.controller.transform.DiscardAttributesTransformer.AttributeValueDiscardApprover

All Implemented Interfaces:

DiscardAttributesTransformer.DiscardApprover

Enclosing class:

DiscardAttributesTransformer

public static class DiscardAttributesTransformer.AttributeValueDiscardApprover
extends Object
implements DiscardAttributesTransformer.DiscardApprover

A DiscardApprover that checks the value of a provided attribute in order to decide whether transformation is allowed. If the attribute has the desired value (or is undefined if allowing that is configured) then the transformation is allowed.

This approver can only be used for add, write-attribute and undefine-attribute operation transformation as well as resource transformation.

Constructor Summary

Constructors

Constructor	Description
AttributeValueDiscardApprover(String attributeName, org.jboss.dmr.ModelNode approvedValue, boolean allowUndefined)	Creates a new transformer.

Method Summary

Modifier and Type	Method	Description
boolean	isOperationDiscardAllowed(TransformationContext context, PathAddress address, org.jboss.dmr.ModelNode operation)	Checks if the value of the resource after the operation is applied would meet the criteria.
boolean	isResourceDiscardAllowed(TransformationContext context, PathAddress address, Resource resource)	Replies with whether resource transformation should be done.

Methods inherited from class java.lang.Object

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

Constructor Detail

AttributeValueDiscardApprover

public AttributeValueDiscardApprover(String attributeName,
                                     org.jboss.dmr.ModelNode approvedValue,
                                     boolean allowUndefined)

Creates a new transformer.

Parameters:

attributeName - the name of the attribute to check

approvedValue - the value the attribute must have in order to allow transformation

allowUndefined - true if the attribute can also be undefined

Method Detail

isResourceDiscardAllowed

public boolean isResourceDiscardAllowed(TransformationContext context,
                                        PathAddress address,
                                        Resource resource)

Description copied from interface: DiscardAttributesTransformer.DiscardApprover

Replies with whether resource transformation should be done.

Specified by:

isResourceDiscardAllowed in interface DiscardAttributesTransformer.DiscardApprover

Parameters:

context - the context

address - the address of the resource to transform

resource - the resource

Returns:

true if transformation should be done; false if the resource should be left as is

isOperationDiscardAllowed

public boolean isOperationDiscardAllowed(TransformationContext context,
                                         PathAddress address,
                                         org.jboss.dmr.ModelNode operation)

Checks if the value of the resource after the operation is applied would meet the criteria. Can only be used for add, write-attribute and undefine-attribute operation transformation. Replies with whether operation transformation should be done.

Specified by:

isOperationDiscardAllowed in interface DiscardAttributesTransformer.DiscardApprover

Parameters:

context - the context

address - the address of the resource to transform

operation - the operation

Returns:

true if transformation should be done; false if the operation should be left as is

Throws:

IllegalStateException - if the operation name isn't add, write-attribute or undefine-attribute