Package org.apache.groovy.ginq.dsl.expression

Class GroupExpression

java.lang.Object

org.codehaus.groovy.ast.ASTNode

org.codehaus.groovy.ast.AnnotatedNode

org.codehaus.groovy.ast.expr.Expression

org.apache.groovy.ginq.dsl.expression.AbstractGinqExpression

org.apache.groovy.ginq.dsl.expression.ProcessExpression

org.apache.groovy.ginq.dsl.expression.GroupExpression

All Implemented Interfaces:

GroovydocHolder<AnnotatedNode>, DataSourceHolder, NodeMetaDataHandler

public class GroupExpression
extends ProcessExpression

Represents group by expression

Since:

4.0.0

Field Summary

Fields inherited from class org.codehaus.groovy.ast.expr.Expression

EMPTY_ARRAY

Fields inherited from interface groovy.lang.groovydoc.GroovydocHolder

DOC_COMMENT

Constructor Summary

Constructors

Constructor	Description
GroupExpression(Expression classifierExpr)	Creates a groupby clause.

Method Summary

Modifier and Type	Method	Description
<R> R	accept(GinqAstVisitor<R> visitor)	Accepts a visitor for this clause.
Expression	getClassifierExpr()	Returns the grouping classifier.
HavingExpression	getHavingExpression()	Returns the optional having clause.
String	getIntoAlias()	Returns the into alias.
String	getText()	Returns the textual GINQ form of this clause.
void	setHavingExpression(HavingExpression havingExpression)	Sets the optional having clause.
void	setIntoAlias(String intoAlias)	Sets the into alias.
String	toString()	Returns the textual form of this clause.

Methods inherited from class org.apache.groovy.ginq.dsl.expression.ProcessExpression

getDataSourceExpression, setDataSourceExpression

Methods inherited from class org.apache.groovy.ginq.dsl.expression.AbstractGinqExpression

transformExpression, visit

Methods inherited from class org.codehaus.groovy.ast.expr.Expression

getType, setType, transformExpressions, transformExpressions

Methods inherited from class org.codehaus.groovy.ast.AnnotatedNode

addAnnotation, addAnnotation, addAnnotations, getAnnotations, getAnnotations, getDeclaringClass, getGroovydoc, getInstance, hasNoRealSourcePosition, isSynthetic, setDeclaringClass, setHasNoRealSourcePosition, setSynthetic

Methods inherited from class org.codehaus.groovy.ast.ASTNode

copyNodeMetaData, getColumnNumber, getLastColumnNumber, getLastLineNumber, getLineNumber, getMetaDataMap, setColumnNumber, setLastColumnNumber, setLastLineNumber, setLineNumber, setMetaDataMap, setSourcePosition

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.codehaus.groovy.ast.NodeMetaDataHandler

copyNodeMetaData, getMetaDataMap, getNodeMetaData, getNodeMetaData, getNodeMetaData, newMetaDataMap, putNodeMetaData, removeNodeMetaData, setMetaDataMap, setNodeMetaData

Constructor Details

GroupExpression

public GroupExpression(Expression classifierExpr)

Creates a groupby clause.

Parameters:

classifierExpr - the grouping classifier

Method Details

accept

public <R> R accept(GinqAstVisitor<R> visitor)

Accepts a visitor for this clause.

Specified by:

accept in class AbstractGinqExpression

Type Parameters:

R - the visit result type

Parameters:

visitor - the visitor to accept

Returns:

the visit result

getClassifierExpr

public Expression getClassifierExpr()

Returns the grouping classifier.

Returns:

the grouping classifier

getHavingExpression

public HavingExpression getHavingExpression()

Returns the optional having clause.

Returns:

the having clause, or null

setHavingExpression

public void setHavingExpression(HavingExpression havingExpression)

Sets the optional having clause.

Parameters:

havingExpression - the clause to set

getIntoAlias

public String getIntoAlias()

Returns the into alias.

Returns:

the alias, or null

Since:

6.0.0

setIntoAlias

public void setIntoAlias(String intoAlias)

Sets the into alias.

Parameters:

intoAlias - the alias to set

Since:

6.0.0

getText

public String getText()

Returns the textual GINQ form of this clause.

Overrides:

getText in class ASTNode

Returns:

the clause text

toString

public String toString()

Returns the textual form of this clause.

Overrides:

toString in class Object

Returns:

the clause text