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oracle.olapi.syntax
Class FunctionCondition

java.lang.Object
oracle.olapi.syntax.SyntaxObject
oracle.olapi.syntax.DataObject
oracle.olapi.syntax.Expression
oracle.olapi.syntax.Condition
oracle.olapi.syntax.FunctionCondition

All Implemented Interfaces:

FunctionArgument

public final class FunctionCondition

extends Condition

A Condition that represents a condition that evaluates a FunctionArgument that produces a Boolean value. For example, the following code creates a FunctionCondition for the LNNVL function.

  NumberExpression rhsArg = new NumberExpression(.2);
  StringExpression lhsArg = new StringExpression("commission_pct");
  ValueComparisonCondition funcArg = 
        new ValueComparisonCondition(lhsArg, 
                                     ValueComparisonCondition.LT, 
                                     rhsArg); 
  FunctionCondition fc = new FunctionCondition("LNNVL", funcArg);

The toSyntax method of the fc object returns a String that contains the following:

 LNNVL('commission_pct' < 0.2)

You can create the same FunctionCondition by using the SyntaxObject.fromSyntax method, as in the following, where metadataProvider is an MdmMetadataProvider:

 FunctionCondition fc = (FunctionCondition) 
                        SyntaxObject.fromSyntax("LNNVL('commission_pct' < .2)", 
                                                 metadataProvider);

Constructor Summary

FunctionCondition(java.lang.String functionName)
Creates a FunctionCondition that has the specified function, which requires no arguments.

FunctionCondition(java.lang.String functionName, FunctionArgument arg1)
Creates a FunctionCondition that has the specified function, which takes one argument.

FunctionCondition(java.lang.String functionName, FunctionArgument[] args)
Creates a FunctionCondition that has the specified function.

FunctionCondition(java.lang.String functionName, FunctionArgument arg1, FunctionArgument arg2)
Creates a FunctionCondition that has the specified function, which takes two arguments.

FunctionCondition(java.lang.String functionName, FunctionArgument arg1, FunctionArgument arg2, FunctionArgument arg3)
Creates a FunctionCondition that has the specified function, which takes three arguments.

FunctionCondition(java.lang.String functionName, FunctionArgument arg1, FunctionArgument arg2, FunctionArgument arg3, FunctionArgument arg4)
Creates a FunctionCondition that has the specified function, which takes four arguments.

Method Summary

FunctionArgument[]	getArguments() Gets the arguments for this FunctionCondition.
FunctionDescriptor	getFunctionDescriptor() Gets the FunctionDescriptor for this FunctionCondition.
java.lang.String	getFunctionName() Gets the name of the function that this FunctionCondition represents.
java.lang.Object	visit(SyntaxObjectVisitor visitor, java.lang.Object context) Calls the visitFunctionCondition method of the SyntaxObjectVisitor and passes that method this FunctionCondition and an Object.

Methods inherited from class oracle.olapi.syntax.Condition

and, isCompositeObject, not, or

Methods inherited from class oracle.olapi.syntax.Expression

getSource

Methods inherited from class oracle.olapi.syntax.SyntaxObject

fromSyntax, fromSyntax, fromSyntax, fromSyntax, fromSyntax, isValid, toSyntax, toSyntax, toSyntax, toSyntax, toSyntax

Methods inherited from class java.lang.Object

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

Constructor Detail

FunctionCondition

public FunctionCondition(java.lang.String functionName,
                         FunctionArgument[] args)

Creates a FunctionCondition that has the specified function.

Parameters:

functionName - A String that contains the name of the function.

args - An array of FunctionArgument objects that have the arguments required by the function.

FunctionCondition

public FunctionCondition(java.lang.String functionName)

Creates a FunctionCondition that has the specified function, which requires no arguments.

Parameters:

functionName - A String that contains the name of the function.

FunctionCondition

public FunctionCondition(java.lang.String functionName,
                         FunctionArgument arg1)

Creates a FunctionCondition that has the specified function, which takes one argument.

Parameters:

functionName - A String that contains the name of the function.

arg1 - A FunctionArgument that has the argument required by the function.

FunctionCondition

public FunctionCondition(java.lang.String functionName,
                         FunctionArgument arg1,
                         FunctionArgument arg2)

Creates a FunctionCondition that has the specified function, which takes two arguments.

Parameters:

functionName - A String that contains the name of the function.

arg1 - A FunctionArgument that has the first argument required by the function.

arg2 - A FunctionArgument that has the second argument required by the function.

FunctionCondition

public FunctionCondition(java.lang.String functionName,
                         FunctionArgument arg1,
                         FunctionArgument arg2,
                         FunctionArgument arg3)

Creates a FunctionCondition that has the specified function, which takes three arguments.

Parameters:

functionName - A String that contains the name of the function.

arg1 - A FunctionArgument that has the first argument required by the function.

arg2 - A FunctionArgument that has the second argument required by the function.

arg3 - A FunctionArgument that has the third argument required by the function.

FunctionCondition

public FunctionCondition(java.lang.String functionName,
                         FunctionArgument arg1,
                         FunctionArgument arg2,
                         FunctionArgument arg3,
                         FunctionArgument arg4)

Creates a FunctionCondition that has the specified function, which takes four arguments.

Parameters:

functionName - A String that contains the name of the function.

arg1 - A FunctionArgument that has the first argument required by the function.

arg2 - A FunctionArgument that has the second argument required by the function.

arg3 - A FunctionArgument that has the third argument required by the function.

arg4 - A FunctionArgument that has the fourth argument required by the function.

Method Detail

visit

public java.lang.Object visit(SyntaxObjectVisitor visitor,
                              java.lang.Object context)

Calls the visitFunctionCondition method of the SyntaxObjectVisitor and passes that method this FunctionCondition and an Object.

Specified by:

visit in class SyntaxObject

Parameters:

visitor - A SyntaxObjectVisitor.

context - An Object.

Returns:

The Object returned by the visitFunctionCondition method.

getArguments

public FunctionArgument[] getArguments()

Gets the arguments for this FunctionCondition.

Returns:

An array of FunctionArgument objects that are the arguments for this FunctionCondition.

getFunctionDescriptor

public FunctionDescriptor getFunctionDescriptor()

Gets the FunctionDescriptor for this FunctionCondition.

Returns:

The FunctionDescriptor for this FunctionCondition.

getFunctionName

public java.lang.String getFunctionName()

Gets the name of the function that this FunctionCondition represents.

Returns:

A String that contains the name of the function.

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