org.modeshape.jcr.query.model
Class Subquery

java.lang.Object
  org.modeshape.jcr.query.model.Subquery

All Implemented Interfaces:

Serializable, Operand, StaticOperand, Subquery, LanguageObject, Visitable

public class Subquery
extends Object
implements StaticOperand, Subquery

A representation of a non-correlated subquery. This component uses composition to hold the various types of QueryCommand objects, rather than inheriting from StaticOperand and QueryCommand.

See Also:

Serialized Form

Field Summary

static String

VARIABLE_PREFIX

Constructor Summary

Subquery(QueryCommand query)
Create a new subquery component that uses the supplied query as the subquery expression.

Method Summary

void	accept(Visitor visitor) Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.
boolean	equals(Object obj)
QueryCommand	getQuery() Gets the QueryCommand that makes up the subqery.
int	hashCode()
static boolean	isSubqueryVariableName(String variableName)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

VARIABLE_PREFIX

public static final String VARIABLE_PREFIX

See Also:

Constant Field Values

Constructor Detail

Subquery

public Subquery(QueryCommand query)

Create a new subquery component that uses the supplied query as the subquery expression.

Parameters:

query - the Command representing the subquery.

Method Detail

isSubqueryVariableName

public static boolean isSubqueryVariableName(String variableName)

getQuery

public QueryCommand getQuery()

Description copied from interface: Subquery

Gets the QueryCommand that makes up the subqery.

Specified by:

getQuery in interface Subquery

Returns:

the query command; non-null

accept

public void accept(Visitor visitor)

Description copied from interface: Visitable

Accept the supplied visitor, which should call back to the visitor to complete the double-dispatch operation.

Specified by:

accept in interface Visitable

Parameters:

visitor - the visitor; never null

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object