org.eclipse.birt.core.data

Class ExpressionParserUtility

java.lang.Object

org.eclipse.birt.core.data.ExpressionParserUtility

public class ExpressionParserUtility
extends java.lang.Object

This utility class is to compile expression to get a list of column expression. The returned column expression is marked as dataSetRow["name"] or dataSetRow[index]

Constructor Summary

Constructors

Constructor and Description
ExpressionParserUtility()

Method Summary

Methods

Modifier and Type	Method and Description
static java.util.List	compileColumnExpression(ExpressionParserUtility util, java.lang.String expression, java.lang.String indicator) compile the expression
static java.util.List	compileColumnExpression(java.lang.String expression) compile the expression
boolean	hasAggregation()
static boolean	hasAggregation(java.lang.String expression)
boolean	isDirectColumnRef()
static boolean	isDirectColumnRef(java.lang.String expression, java.lang.String indicator)
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionParserUtility

public ExpressionParserUtility()

Method Detail

compileColumnExpression

public static java.util.List compileColumnExpression(java.lang.String expression)
                                              throws BirtException

compile the expression

Parameters:

expression -

Returns:

List contains all column reference

Throws:

BirtException

compileColumnExpression

public static java.util.List compileColumnExpression(ExpressionParserUtility util,
                                     java.lang.String expression,
                                     java.lang.String indicator)
                                              throws BirtException

compile the expression

Parameters:

expression -

Returns:

List contains all column reference

Throws:

BirtException

hasAggregation

public static boolean hasAggregation(java.lang.String expression)
                              throws BirtException

Returns:

Throws:

BirtException

isDirectColumnRef

public static boolean isDirectColumnRef(java.lang.String expression,
                        java.lang.String indicator)
                                 throws BirtException

Throws:

BirtException

hasAggregation

public boolean hasAggregation()

isDirectColumnRef

public boolean isDirectColumnRef()

reset

public void reset()