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oracle.olapi.syntax
Class Expression

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

All Implemented Interfaces:

FunctionArgument

Direct Known Subclasses:

Condition, TypedExpression

public abstract class Expression

extends DataObject

implements FunctionArgument

An abstract base class for the Condition and TypedExpression classes. An Expression has an associated Source that an application can use in constructing a query.

A TypedExpression is similar to a SQL expression in that it is a combination of one or more values, operators, and functions that evaluates to a value. A Condition has a boolean value and is similar to a SQL condition.

Method Summary

Source

getSource(DataProvider dp) Gets the Source associated with the Expression.

Methods inherited from class oracle.olapi.syntax.SyntaxObject

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

Methods inherited from class java.lang.Object

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

Method Detail

getSource

public Source getSource(DataProvider dp)

Gets the Source associated with the Expression.

Parameters:

dp - The DataProvider associated with the current UserSession.

Returns:

The Source associated with the Expression.

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