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com.sun.xacml.cond
Class AbsFunction  

java.lang.Object
  com.sun.xacml.cond.FunctionBase
      com.sun.xacml.cond.AbsFunction

All Implemented Interfaces:

Function

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public class AbsFunction

extends FunctionBase

A class that implements all the *-abs functions. It takes one operand of the appropriate type and returns the absolute value of the operand. If the operand is indeterminate, an indeterminate result is returned.

Since:

1.0

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Field Summary
private static int	ID_DOUBLE_ABS
private static int	ID_INTEGER_ABS
static java.lang.String	NAME_DOUBLE_ABS           Standard identifier for the double-abs function.
static java.lang.String	NAME_INTEGER_ABS           Standard identifier for the integer-abs function.

 

Fields inherited from class com.sun.xacml.cond.FunctionBase

FUNCTION_NS

 

Constructor Summary

AbsFunction(java.lang.String functionName)           Creates a new AbsFunction object.

 

Method Summary
EvaluationResult	evaluate(java.util.List inputs, com.sun.xacml.EvaluationCtx context)           Evaluate the function, using the specified parameters.
private static java.lang.String	getArgumentType(java.lang.String functionName)           Private helper that returns the type used for the given standard function.
private static int	getId(java.lang.String functionName)           Private helper that returns the internal identifier used for the given standard function.
static java.util.Set	getSupportedIdentifiers()           Returns a Set containing all the function identifiers supported by this class.

 

Methods inherited from class com.sun.xacml.cond.FunctionBase

checkInputs, checkInputsNoBag, evalArgs, getFunctionId, getFunctionName, getIdentifier, getReturnType, getReturnTypeAsString, makeProcessingError, returnsBag

 

Methods inherited from class java.lang.Object

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

 

Field Detail

NAME_INTEGER_ABS

public static final java.lang.String NAME_INTEGER_ABS

Standard identifier for the integer-abs function.

See Also:

Constant Field Values

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NAME_DOUBLE_ABS

public static final java.lang.String NAME_DOUBLE_ABS

Standard identifier for the double-abs function.

See Also:

Constant Field Values

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ID_INTEGER_ABS

private static final int ID_INTEGER_ABS

See Also:

Constant Field Values

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ID_DOUBLE_ABS

private static final int ID_DOUBLE_ABS

See Also:

Constant Field Values

Constructor Detail

AbsFunction

public AbsFunction(java.lang.String functionName)

Creates a new AbsFunction object.

Method Detail

getId

private static int getId(java.lang.String functionName)

Private helper that returns the internal identifier used for the given standard function.

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getArgumentType

private static java.lang.String getArgumentType(java.lang.String functionName)

Private helper that returns the type used for the given standard function. Note that this doesn't check on the return value since the method always is called after getId, so we assume that the function is present.

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getSupportedIdentifiers

public static java.util.Set getSupportedIdentifiers()

Returns a Set containing all the function identifiers supported by this class.

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evaluate

public EvaluationResult evaluate(java.util.List inputs,
                                 com.sun.xacml.EvaluationCtx context)

Evaluate the function, using the specified parameters.

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