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com.sun.xacml.cond
Class DateMathFunction  

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

All Implemented Interfaces:

Function

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public class DateMathFunction

extends FunctionBase

A class that implements several of the date math functions. They all take two arguments. The first is a DateTimeAttribute or a DateAttribute (as the case may be) and the second is a DayTimeDurationAttribute or a YearMonthDurationAttribute (as the case may be). The function adds or subtracts the second argument to/from the first and returns a value of the same type as the first argument. If either of the arguments evaluates to indeterminate, an indeterminate result is returned.

Since:

1.0

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Field Summary
private  java.lang.String[]	argTypes
private static boolean[]	bagParams
private static java.lang.String[]	dateTimeDayTimeDurationArgTypes
private static java.lang.String[]	dateTimeYearMonthDurationArgTypes
private static java.lang.String[]	dateYearMonthDurationArgTypes
private static int	ID_DATE_ADD_YEARMONTHDURATION
private static int	ID_DATE_SUBTRACT_YEARMONTHDURATION
private static int	ID_DATETIME_ADD_DAYTIMEDURATION
private static int	ID_DATETIME_ADD_YEARMONTHDURATION
private static int	ID_DATETIME_SUBTRACT_DAYTIMEDURATION
private static int	ID_DATETIME_SUBTRACT_YEARMONTHDURATION
private static java.util.HashMap	idMap
static java.lang.String	NAME_DATE_ADD_YEARMONTHDURATION           Standard identifier for the date-add-yearMonthDuration function.
static java.lang.String	NAME_DATE_SUBTRACT_YEARMONTHDURATION           Standard identifier for the date-subtract-yearMonthDuration function.
static java.lang.String	NAME_DATETIME_ADD_DAYTIMEDURATION           Standard identifier for the dateTime-add-dayTimeDuration function.
static java.lang.String	NAME_DATETIME_ADD_YEARMONTHDURATION           Standard identifier for the dateTime-add-yearMonthDuration function.
static java.lang.String	NAME_DATETIME_SUBTRACT_DAYTIMEDURATION           Standard identifier for the dateTime-subtract-dayTimeDuration function.
static java.lang.String	NAME_DATETIME_SUBTRACT_YEARMONTHDURATION           Standard identifier for the dateTime-subtract-yearMonthDuration function.
private static java.util.HashMap	typeMap

 

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

FUNCTION_NS

 

Constructor Summary

DateMathFunction(java.lang.String functionName)           Creates a new DateMathFunction 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[]	getArgumentTypes(java.lang.String functionName)           Private helper that returns the types 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_DATETIME_ADD_DAYTIMEDURATION

public static final java.lang.String NAME_DATETIME_ADD_DAYTIMEDURATION

Standard identifier for the dateTime-add-dayTimeDuration function.

See Also:

Constant Field Values

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NAME_DATETIME_SUBTRACT_DAYTIMEDURATION

public static final java.lang.String NAME_DATETIME_SUBTRACT_DAYTIMEDURATION

Standard identifier for the dateTime-subtract-dayTimeDuration function.

See Also:

Constant Field Values

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NAME_DATETIME_ADD_YEARMONTHDURATION

public static final java.lang.String NAME_DATETIME_ADD_YEARMONTHDURATION

Standard identifier for the dateTime-add-yearMonthDuration function.

See Also:

Constant Field Values

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NAME_DATETIME_SUBTRACT_YEARMONTHDURATION

public static final java.lang.String NAME_DATETIME_SUBTRACT_YEARMONTHDURATION

Standard identifier for the dateTime-subtract-yearMonthDuration function.

See Also:

Constant Field Values

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NAME_DATE_ADD_YEARMONTHDURATION

public static final java.lang.String NAME_DATE_ADD_YEARMONTHDURATION

Standard identifier for the date-add-yearMonthDuration function.

See Also:

Constant Field Values

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NAME_DATE_SUBTRACT_YEARMONTHDURATION

public static final java.lang.String NAME_DATE_SUBTRACT_YEARMONTHDURATION

Standard identifier for the date-subtract-yearMonthDuration function.

See Also:

Constant Field Values

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ID_DATETIME_ADD_DAYTIMEDURATION

private static final int ID_DATETIME_ADD_DAYTIMEDURATION

See Also:

Constant Field Values

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ID_DATETIME_SUBTRACT_DAYTIMEDURATION

private static final int ID_DATETIME_SUBTRACT_DAYTIMEDURATION

See Also:

Constant Field Values

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ID_DATETIME_ADD_YEARMONTHDURATION

private static final int ID_DATETIME_ADD_YEARMONTHDURATION

See Also:

Constant Field Values

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ID_DATETIME_SUBTRACT_YEARMONTHDURATION

private static final int ID_DATETIME_SUBTRACT_YEARMONTHDURATION

See Also:

Constant Field Values

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ID_DATE_ADD_YEARMONTHDURATION

private static final int ID_DATE_ADD_YEARMONTHDURATION

See Also:

Constant Field Values

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ID_DATE_SUBTRACT_YEARMONTHDURATION

private static final int ID_DATE_SUBTRACT_YEARMONTHDURATION

See Also:

Constant Field Values

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dateTimeDayTimeDurationArgTypes

private static final java.lang.String[] dateTimeDayTimeDurationArgTypes

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dateTimeYearMonthDurationArgTypes

private static final java.lang.String[] dateTimeYearMonthDurationArgTypes

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dateYearMonthDurationArgTypes

private static final java.lang.String[] dateYearMonthDurationArgTypes

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bagParams

private static final boolean[] bagParams

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argTypes

private java.lang.String[] argTypes

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idMap

private static java.util.HashMap idMap

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typeMap

private static java.util.HashMap typeMap

Constructor Detail

DateMathFunction

public DateMathFunction(java.lang.String functionName)

Creates a new DateMathFunction 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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getArgumentTypes

private static java.lang.String[] getArgumentTypes(java.lang.String functionName)

Private helper that returns the types 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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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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