org.neo4j.kernel.api.operations

Interface KeyReadOperations

All Known Subinterfaces:

KeyOperations, ReadOperations, StatementOperations

public interface KeyReadOperations

Method Summary

Methods

Modifier and Type	Method and Description
long	labelGetForName(StatementState state, String labelName) Returns a label id for a label name.
String	labelGetName(StatementState state, long labelId) Returns the label name for the given label id.
Iterator<org.neo4j.kernel.impl.core.Token>	labelsGetAllTokens(StatementState state) Returns the labels currently stored in the database
long	propertyKeyGetForName(StatementState state, String propertyKeyName) Returns a property key id for the given property key.
String	propertyKeyGetName(StatementState state, long propertyKeyId) Returns the name of a property given its property key id

Method Detail

labelGetForName

long labelGetForName(StatementState state,
                   String labelName)
                     throws LabelNotFoundKernelException

Returns a label id for a label name. If the label doesn't exist a LabelNotFoundKernelException will be thrown.

Throws:

LabelNotFoundKernelException

labelGetName

String labelGetName(StatementState state,
                  long labelId)
                    throws LabelNotFoundKernelException

Returns the label name for the given label id.

Throws:

LabelNotFoundKernelException

propertyKeyGetForName

long propertyKeyGetForName(StatementState state,
                         String propertyKeyName)
                           throws PropertyKeyNotFoundException

Returns a property key id for the given property key. If the property key doesn't exist a PropertyKeyNotFoundException will be thrown.

Throws:

PropertyKeyNotFoundException

propertyKeyGetName

String propertyKeyGetName(StatementState state,
                        long propertyKeyId)
                          throws PropertyKeyIdNotFoundException

Returns the name of a property given its property key id

Throws:

PropertyKeyIdNotFoundException

labelsGetAllTokens

Iterator<org.neo4j.kernel.impl.core.Token> labelsGetAllTokens(StatementState state)

Returns the labels currently stored in the database