org.apache.metamodel.query

Class GroupByItem

java.lang.Object

org.apache.metamodel.util.BaseObject

org.apache.metamodel.query.GroupByItem

All Implemented Interfaces:

Serializable, Cloneable, QueryItem

public class GroupByItem
extends BaseObject
implements QueryItem, Cloneable

Represents a GROUP BY item. GroupByItems always use a select item (that may or not be a part of the query already) for grouping.

See Also:

GroupByClause, Serialized Form

Constructor Summary

Constructors

Constructor and Description
GroupByItem(SelectItem selectItem) Constructs a GROUP BY item based on a select item that should be grouped.

Method Summary

Modifier and Type	Method and Description
protected GroupByItem	clone()
protected void	decorateIdentity(List<Object> identifiers) Subclasses should implement this method and add all fields to the list that are to be included in equals(...) and hashCode() evaluation
Query	getQuery()
SelectItem	getSelectItem()
GroupByItem	setQuery(Query query)
String	toSql()
String	toSql(boolean includeSchemaInColumnPaths)
String	toString()

Methods inherited from class org.apache.metamodel.util.BaseObject

classEquals, equals, hashCode

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

GroupByItem

public GroupByItem(SelectItem selectItem)

Constructs a GROUP BY item based on a select item that should be grouped.

Parameters:

selectItem -

Method Detail

getSelectItem

public SelectItem getSelectItem()

toSql

public String toSql()

Specified by:

toSql in interface QueryItem

toSql

public String toSql(boolean includeSchemaInColumnPaths)

Specified by:

toSql in interface QueryItem

toString

public String toString()

Specified by:

toString in interface QueryItem

Overrides:

toString in class BaseObject

getQuery

public Query getQuery()

Specified by:

getQuery in interface QueryItem

setQuery

public GroupByItem setQuery(Query query)

Specified by:

setQuery in interface QueryItem

clone

protected GroupByItem clone()

Overrides:

clone in class Object

decorateIdentity

protected void decorateIdentity(List<Object> identifiers)

Description copied from class: BaseObject

Subclasses should implement this method and add all fields to the list that are to be included in equals(...) and hashCode() evaluation

Specified by:

decorateIdentity in class BaseObject