org.apache.jackrabbit.commons.repository

Class EmptyRepository

java.lang.Object

org.apache.jackrabbit.commons.AbstractRepository

org.apache.jackrabbit.commons.repository.EmptyRepository

All Implemented Interfaces:

Repository

public class EmptyRepository
extends AbstractRepository

An empty repository with no descriptors and no workspaces. This class can be used as a dummy sentinel in cases where a proper content repository is not available.

Since:

1.4

Field Summary

Fields inherited from interface javax.jcr.Repository

LEVEL_1_SUPPORTED, LEVEL_2_SUPPORTED, OPTION_LOCKING_SUPPORTED, OPTION_OBSERVATION_SUPPORTED, OPTION_QUERY_SQL_SUPPORTED, OPTION_TRANSACTIONS_SUPPORTED, OPTION_VERSIONING_SUPPORTED, QUERY_XPATH_DOC_ORDER, QUERY_XPATH_POS_INDEX, REP_NAME_DESC, REP_VENDOR_DESC, REP_VENDOR_URL_DESC, REP_VERSION_DESC, SPEC_NAME_DESC, SPEC_VERSION_DESC

Constructor Summary

Constructors

Constructor and Description
EmptyRepository()

Method Summary

Modifier and Type	Method and Description
String	getDescriptor(String key) Returns null since this repository contains no descriptors.
String[]	getDescriptorKeys() Returns an empty array since this repository contains no descriptors.
Value	getDescriptorValue(String key) Returns null since this repository contains no descriptors.
Value[]	getDescriptorValues(String key) Returns null since this repository contains no descriptors.
boolean	isSingleValueDescriptor(String key) Returns false since this repository contains no descriptors.
Session	login(Credentials credentials, String workspace) Throws an exception since this repository contains no workspaces.

Methods inherited from class org.apache.jackrabbit.commons.AbstractRepository

isStandardDescriptor, login, login, login, login

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyRepository

public EmptyRepository()

Method Detail

getDescriptor

public String getDescriptor(String key)

Returns null since this repository contains no descriptors.

Parameters:

key - descriptor key

Returns:

null

getDescriptorValue

public Value getDescriptorValue(String key)

Returns null since this repository contains no descriptors.

Parameters:

key - descriptor key

Returns:

null

getDescriptorValues

public Value[] getDescriptorValues(String key)

Returns null since this repository contains no descriptors.

Parameters:

key - descriptor key

Returns:

null

isSingleValueDescriptor

public boolean isSingleValueDescriptor(String key)

Returns false since this repository contains no descriptors.

Parameters:

key - descriptor key

Returns:

false

getDescriptorKeys

public String[] getDescriptorKeys()

Returns an empty array since this repository contains no descriptors.

Returns:

empty array

login

public Session login(Credentials credentials,
                     String workspace)
              throws NoSuchWorkspaceException

Throws an exception since this repository contains no workspaces.

Returns:

nothing

Throws:

NoSuchWorkspaceException - always thrown