com.db4o.internal.query.processor

Class QConClass

java.lang.Object

com.db4o.internal.query.processor.QCon

com.db4o.internal.query.processor.QConObject

com.db4o.internal.query.processor.QConClass

All Implemented Interfaces:

Visitor4, Constraint, Unversioned

Direct Known Subclasses:

QConPath

public class QConClass
extends QConObject

Class constraint on queries

Field Summary

Fields inherited from class com.db4o.internal.query.processor.QCon

_children, i_evaluator, i_parent

Constructor Summary

Constructors

Constructor and Description
QConClass()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	canBeIndexLeaf()
Constraint	equal() Used in conjunction with Constraint.smaller() or Constraint.greater() to create constraints like "smaller or equal", "greater or equal".
java.lang.String	getClassName()
void	setProcessedByIndex()
java.lang.String	toString()

Methods inherited from class com.db4o.internal.query.processor.QConObject

byExample, canLoadByIndex, contains, endsWith, getField, getObject, greater, hasObjectInParentPath, identity, identityID, like, onSameFieldAs, smaller, startsWith, visit

Methods inherited from class com.db4o.internal.query.processor.QCon

and, childrenCount, container, evaluator, hasChildren, hasJoins, hasParent, id, internalSetProcessedByIndex, iterateChildren, iterateJoins, not, or, parent, processedByIndex, setCandidates, streamLock, transaction

Methods inherited from class java.lang.Object

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

Constructor Detail

QConClass

public QConClass()

Method Detail

getClassName

public java.lang.String getClassName()

canBeIndexLeaf

public boolean canBeIndexLeaf()

Overrides:

canBeIndexLeaf in class QConObject

equal

public Constraint equal()

Description copied from interface: Constraint

Used in conjunction with Constraint.smaller() or Constraint.greater() to create constraints like "smaller or equal", "greater or equal". For example:
query.constrain(Pilot.class);
query.descend("points").constrain(101).smaller().equal();
will return all pilots with points <= 101.

Specified by:

equal in interface Constraint

Overrides:

equal in class QConObject

Returns:

this Constraint to allow the chaining of method calls.

toString

public java.lang.String toString()

Overrides:

toString in class QConObject

setProcessedByIndex

public void setProcessedByIndex()

Overrides:

setProcessedByIndex in class QCon