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com.sun.xacml.cond
Interface Evaluatable  

All Known Implementing Classes:

Apply

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public interface Evaluatable

Generic interface that is implemented by all objects that can appear in an ApplyType. This lets the evaluation code of Apply and functions iterate through their members and evaluate them, working only on the returned values or errors.

Since:

1.0

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Method Summary
void	encode(java.io.OutputStream output)           Encodes this Evaluatable into its XML representation and writes this encoding to the given OutputStream with no indentation.
void	encode(java.io.OutputStream output, com.sun.xacml.Indenter indenter)           Encodes this Evaluatable into its XML representation and writes this encoding to the given OutputStream with indentation.
EvaluationResult	evaluate(com.sun.xacml.EvaluationCtx context)           Evaluates the object using the given context, and either returns an error or a resulting value.
boolean	evaluatesToBag()           Tells whether evaluation will return a bag or a single value.
java.util.List	getChildren()           Returns all children, in order, of this element in the Condition tree, or en empty set if this element has no children.
java.net.URI	getType()           Get the type of this object.

 

Method Detail

evaluate

public EvaluationResult evaluate(com.sun.xacml.EvaluationCtx context)

Evaluates the object using the given context, and either returns an error or a resulting value.

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getType

public java.net.URI getType()

Get the type of this object. This may be the data type of an Attribute or the return type of an AttributeDesignator, etc.

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evaluatesToBag

public boolean evaluatesToBag()

Tells whether evaluation will return a bag or a single value.

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getChildren

public java.util.List getChildren()

Returns all children, in order, of this element in the Condition tree, or en empty set if this element has no children. In XACML 1.x, only the ApplyType ever has children.

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encode

public void encode(java.io.OutputStream output)

Encodes this Evaluatable into its XML representation and writes this encoding to the given OutputStream with no indentation.

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encode

public void encode(java.io.OutputStream output,
                   com.sun.xacml.Indenter indenter)

Encodes this Evaluatable into its XML representation and writes this encoding to the given OutputStream with indentation.

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