Package org.rumbledb.expressions.flowr

Class GroupByClause

java.lang.Object

org.rumbledb.expressions.Node

org.rumbledb.expressions.flowr.Clause

org.rumbledb.expressions.flowr.GroupByClause

public class GroupByClause
extends Clause

Field Summary

Fields inherited from class org.rumbledb.expressions.flowr.Clause

clauseType, nextClause, previousClause, staticContext

Fields inherited from class org.rumbledb.expressions.Node

highestExecutionMode

Constructor Summary

Constructors

Constructor	Description
GroupByClause(List<GroupByVariableDeclaration> variables, ExceptionMetadata metadata)

Method Summary

Modifier and Type	Method	Description
<T> T	accept(AbstractNodeVisitor<T> visitor, T argument)	Accept method for the visitor pattern.
List<Node>	getChildren()	Returns all children nodes as a list.
List<GroupByVariableDeclaration>	getGroupVariables()
void	print(StringBuffer buffer, int indent)	Prints the node tree to a string buffer.
void	serializeToJSONiq(StringBuffer sb, int indent)

Methods inherited from class org.rumbledb.expressions.flowr.Clause

chainWith, detachInitialLetClauses, detachInitialLetClausesForStatements, getClauseType, getFirstClause, getLastClause, getNextClause, getPreviousClause, getStaticContext, getStaticContextForRuntime, setStaticContext

Methods inherited from class org.rumbledb.expressions.Node

getDescendants, getDescendantsMatching, getHighestExecutionMode, getHighestExecutionMode, getMetadata, indentIt, isContextDependent, numberOfUnsetExecutionModes, setHighestExecutionMode, toString

Methods inherited from class java.lang.Object

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

Constructor Details

GroupByClause

public GroupByClause(List<GroupByVariableDeclaration> variables,
 ExceptionMetadata metadata)

Method Details

getGroupVariables

public List<GroupByVariableDeclaration> getGroupVariables()

getChildren

public List<Node> getChildren()

Description copied from class: Node

Returns all children nodes as a list. The list is new and can be modified at will by the caller.

Specified by:

getChildren in class Node

Returns:

the children nodes as a list.

accept

public <T> T accept(AbstractNodeVisitor<T> visitor,
 T argument)

Description copied from class: Node

Accept method for the visitor pattern.

Specified by:

accept in class Node

Type Parameters:

T - the type of the objects returned by the visitor.

Parameters:

visitor - the visitor.

argument - the input from the visitor.

Returns:

the object returned by this visitor

print

public void print(StringBuffer buffer,
 int indent)

Description copied from class: Node

Prints the node tree to a string buffer.

Overrides:

print in class Clause

Parameters:

buffer - a string buffer to write to

indent - the current level of indentation

serializeToJSONiq

public void serializeToJSONiq(StringBuffer sb,
 int indent)

Specified by:

serializeToJSONiq in class Node