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com.sun.xacml.cond
Class NumericConvertFunction  

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

All Implemented Interfaces:

Function

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public class NumericConvertFunction

extends FunctionBase

A class that implements all the numeric type conversion functions (double-to-integer and integer-to-double). It takes one argument of the appropriate type, converts that argument to the other type, and returns the result. If the argument is indeterminate, an indeterminate result is returned.

Since:

1.0

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Field Summary
private static int	ID_DOUBLE_TO_INTEGER
private static int	ID_INTEGER_TO_DOUBLE
static java.lang.String	NAME_DOUBLE_TO_INTEGER           Standard identifier for the double-to-integer function.
static java.lang.String	NAME_INTEGER_TO_DOUBLE           Standard identifier for the integer-to-double function.

 

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

FUNCTION_NS

 

Constructor Summary

NumericConvertFunction(java.lang.String functionName)           Creates a new NumericConvertFunction 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.
private static java.lang.String	getReturnType(java.lang.String functionName)           Private helper that returns the return type 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_DOUBLE_TO_INTEGER

public static final java.lang.String NAME_DOUBLE_TO_INTEGER

Standard identifier for the double-to-integer function.

See Also:

Constant Field Values

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NAME_INTEGER_TO_DOUBLE

public static final java.lang.String NAME_INTEGER_TO_DOUBLE

Standard identifier for the integer-to-double function.

See Also:

Constant Field Values

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ID_DOUBLE_TO_INTEGER

private static final int ID_DOUBLE_TO_INTEGER

See Also:

Constant Field Values

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ID_INTEGER_TO_DOUBLE

private static final int ID_INTEGER_TO_DOUBLE

See Also:

Constant Field Values

Constructor Detail

NumericConvertFunction

public NumericConvertFunction(java.lang.String functionName)

Creates a new NumericConvertFunction 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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getSupportedIdentifiers

public static java.util.Set getSupportedIdentifiers()

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

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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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getReturnType

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

Private helper that returns the return type 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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evaluate

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

Evaluate the function, using the specified parameters.

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