Package net.ontopia.persistence.query.jdo

Class JDOFunction

java.lang.Object

net.ontopia.persistence.query.jdo.JDOFunction

All Implemented Interfaces:

JDOValueIF

public class JDOFunction
extends Object
implements JDOValueIF

INTERNAL: JDOQL method: Object.<operator>(Object,...). The function can also be a free form function where the name is the function pattern, e.g. "contains($1, $2, 1) > 0)". Function arguments are referred via their position.

Field Summary

Fields

Modifier and Type	Field	Description
protected JDOValueIF[]	args
protected String	name
protected Class	value_type

Fields inherited from interface net.ontopia.persistence.query.jdo.JDOValueIF

COLLECTION, FIELD, FUNCTION, NATIVE_VALUE, NULL, OBJECT, PARAMETER, PRIMITIVE, STRING, VARIABLE

Constructor Summary

Constructors

Constructor	Description
JDOFunction(String name, Class value_type, JDOValueIF arg1)
JDOFunction(String name, Class value_type, JDOValueIF[] args)
JDOFunction(String name, Class value_type, JDOValueIF arg1, JDOValueIF arg2)
JDOFunction(String name, Class value_type, JDOValueIF arg1, JDOValueIF arg2, JDOValueIF arg3)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
JDOValueIF[]	getArguments()
String	getName()
int	getType()	INTERNAL: Returns the type of JDO value indicated by one of the constants in the JDOValueIF interface.
Class	getValueType()
int	hashCode()
String	toString()
void	visit(JDOVisitorIF visitor)	INTERNAL: Allows the value to be visited.

Methods inherited from class java.lang.Object

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

Field Detail

name

protected String name

value_type

protected Class value_type

args

protected JDOValueIF[] args

Constructor Detail

JDOFunction

public JDOFunction(String name,
                   Class value_type,
                   JDOValueIF arg1)

JDOFunction

public JDOFunction(String name,
                   Class value_type,
                   JDOValueIF arg1,
                   JDOValueIF arg2)

JDOFunction

public JDOFunction(String name,
                   Class value_type,
                   JDOValueIF arg1,
                   JDOValueIF arg2,
                   JDOValueIF arg3)

JDOFunction

public JDOFunction(String name,
                   Class value_type,
                   JDOValueIF[] args)

Method Detail

getType

public int getType()

Description copied from interface: JDOValueIF

INTERNAL: Returns the type of JDO value indicated by one of the constants in the JDOValueIF interface.

Specified by:

getType in interface JDOValueIF

getName

public String getName()

getValueType

public Class getValueType()

getArguments

public JDOValueIF[] getArguments()

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

visit

public void visit(JDOVisitorIF visitor)

Description copied from interface: JDOValueIF

INTERNAL: Allows the value to be visited. This method is used for retrieval of nested data in expressions.

Specified by:

visit in interface JDOValueIF