org.gcube.data.analysis.tabulardata.expression

Class PlaceholderReplacer

java.lang.Object

org.gcube.data.analysis.tabulardata.expression.PlaceholderReplacer

public class PlaceholderReplacer
extends Object

Constructor Summary

Constructors

Constructor and Description
PlaceholderReplacer(Expression expr)

Method Summary

Modifier and Type	Method and Description
Integer	getCount()
Expression	getExpression()
boolean	hasPlaceholder()
PlaceholderReplacer	replaceAll(ColumnReference ref) Replaces all found placeholders with the passed reference.
PlaceholderReplacer	replaceById(ColumnReference ref, String placeholderId)

Methods inherited from class java.lang.Object

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

Constructor Detail

PlaceholderReplacer

public PlaceholderReplacer(Expression expr)
                    throws MalformedExpressionException

Throws:

MalformedExpressionException

Method Detail

hasPlaceholder

public boolean hasPlaceholder()

getCount

public Integer getCount()

Returns:

the count of placeholder found in the current Expression

replaceAll

public PlaceholderReplacer replaceAll(ColumnReference ref)
                               throws MalformedExpressionException

Replaces all found placeholders with the passed reference. If a TypedColumnReference is passed, its DataType must be consistent with the one declared in found Placeholders

Parameters:

ref -

Returns:

Throws:

MalformedExpressionException

replaceById

public PlaceholderReplacer replaceById(ColumnReference ref,
                                       String placeholderId)
                                throws MalformedExpressionException

Throws:

MalformedExpressionException

getExpression

public Expression getExpression()