org.neo4j.kernel

Class BaseConstraintCreator

java.lang.Object

org.neo4j.kernel.BaseConstraintCreator

All Implemented Interfaces:

ConstraintCreator

Direct Known Subclasses:

PropertyConstraintCreator

public class BaseConstraintCreator
extends Object
implements ConstraintCreator

Field Summary

Fields

Modifier and Type	Field and Description
protected InternalSchemaActions	actions
protected Label	label

Constructor Summary

Constructors

Constructor and Description
BaseConstraintCreator(InternalSchemaActions actions, Label label)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	assertInTransaction()
ConstraintDefinition	create() Creates a constraint with the details specified by the other methods in this interface.
ConstraintCreator	on(String propertyKey) Specifies that this constraint will be for the given property key.
ConstraintCreator	unique() Imposes a uniqueness constraint for the given property, such that there can be at most one node, having the given label, for any set value of that property key.

Methods inherited from class java.lang.Object

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

Field Detail

actions

protected final InternalSchemaActions actions

label

protected final Label label

Constructor Detail

BaseConstraintCreator

public BaseConstraintCreator(InternalSchemaActions actions,
                     Label label)

Method Detail

on

public ConstraintCreator on(String propertyKey)

Description copied from interface: ConstraintCreator

Specifies that this constraint will be for the given property key. Specifying a property key requires further details to be given, such as uniqueness.

Specified by:

on in interface ConstraintCreator

Parameters:

propertyKey - the property key this constraint is about.

Returns:

a ConstraintCreator instance to be used for further interaction.

unique

public ConstraintCreator unique()

Description copied from interface: ConstraintCreator

Imposes a uniqueness constraint for the given property, such that there can be at most one node, having the given label, for any set value of that property key.

Specified by:

unique in interface ConstraintCreator

Returns:

a ConstraintCreator instance to be used for further interaction.

create

public ConstraintDefinition create()

Description copied from interface: ConstraintCreator

Creates a constraint with the details specified by the other methods in this interface.

Specified by:

create in interface ConstraintCreator

Returns:

the created constraint.

assertInTransaction

protected final void assertInTransaction()