| /* |
| * Copyright (c) 2010-2013, 2015-2017, 2019 Eike Stepper (Loehne, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.common; |
| |
| import org.eclipse.emf.cdo.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.util.CDOTimeProvider; |
| |
| import org.eclipse.net4j.util.event.IEvent; |
| |
| import org.eclipse.emf.ecore.EReference; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import java.util.Set; |
| |
| /** |
| * Abstracts the information about CDO repositories that is common to both client and server side. |
| * <p> |
| * A CDOCommonRepository can fire the following events: |
| * <ul> |
| * <li> {@link TypeChangedEvent} after the {@link #getType() repository type} has changed in a fail-over cluster. |
| * <li> {@link StateChangedEvent} after the {@link #getState() repository state} has changed in a replicating deployment. |
| * </ul> |
| * |
| * @author Eike Stepper |
| * @since 3.0 |
| * @noextend This interface is not intended to be extended by clients. |
| * @noimplement This interface is not intended to be implemented by clients. |
| */ |
| public interface CDOCommonRepository extends CDOTimeProvider, IAdaptable |
| { |
| /** |
| * Returns the name of this repository. |
| */ |
| public String getName(); |
| |
| /** |
| * Returns the UUID of this repository. |
| */ |
| public String getUUID(); |
| |
| /** |
| * Returns the type of this repository. |
| */ |
| public Type getType(); |
| |
| /** |
| * Returns the state of this repository. |
| */ |
| public State getState(); |
| |
| /** |
| * Returns the creation time of this repository. |
| */ |
| public long getCreationTime(); |
| |
| /** |
| * Returns the type of the store of this repository. |
| */ |
| public String getStoreType(); |
| |
| /** |
| * Returns the type of CDOIDs created by the store of this repository. |
| */ |
| public Set<CDOID.ObjectType> getObjectIDTypes(); |
| |
| /** |
| * @since 4.1 |
| */ |
| public IDGenerationLocation getIDGenerationLocation(); |
| |
| /** |
| * @since 4.6 |
| */ |
| public CommitInfoStorage getCommitInfoStorage(); |
| |
| /** |
| * Returns the ID of the root resource of this repository. |
| */ |
| public CDOID getRootResourceID(); |
| |
| /** |
| * Returns <code>true</code> if this repository requires user authentication, <code>false</code> otherwise. |
| * |
| * @since 4.4 |
| */ |
| public boolean isAuthenticating(); |
| |
| /** |
| * Returns <code>true</code> if this repository supports auditing, <code>false</code> otherwise. |
| */ |
| public boolean isSupportingAudits(); |
| |
| /** |
| * Returns <code>true</code> if this repository supports branching, <code>false</code> otherwise. |
| */ |
| public boolean isSupportingBranches(); |
| |
| /** |
| * Returns <code>true</code> if this repository supports units, <code>false</code> otherwise. |
| * |
| * @since 4.5 |
| */ |
| public boolean isSupportingUnits(); |
| |
| /** |
| * Returns <code>true</code> if this repository supports instances of Ecore, <code>false</code> otherwise. |
| * |
| * @since 4.0 |
| * @deprecated As of 4.2 instances of Ecore are always supported (on demand). |
| */ |
| @Deprecated |
| public boolean isSupportingEcore(); |
| |
| /** |
| * Returns <code>true</code> if this repository serializes commits, <code>false</code> otherwise. |
| * @since 4.2 |
| */ |
| public boolean isSerializingCommits(); |
| |
| /** |
| * Returns <code>true</code> if this repository ensures referential integrity, <code>false</code> otherwise. |
| * |
| * @since 4.0 |
| */ |
| public boolean isEnsuringReferentialIntegrity(); |
| |
| /** |
| * @since 4.2 |
| */ |
| public boolean waitWhileInitial(IProgressMonitor monitor); |
| |
| /** |
| * Enumerates the possible {@link CDOCommonRepository#getIDGenerationLocation() ID generation locations} of a CDO |
| * repository. |
| * |
| * @author Eike Stepper |
| * @since 4.1 |
| */ |
| public enum IDGenerationLocation |
| { |
| STORE, CLIENT |
| } |
| |
| /** |
| * @author Eike Stepper |
| * @since 4.6 |
| */ |
| public static enum ListOrdering |
| { |
| ORDERED |
| { |
| @Override |
| public boolean isOrdered(EReference reference) |
| { |
| return true; |
| } |
| }, |
| |
| UNORDERED |
| { |
| @Override |
| public boolean isOrdered(EReference reference) |
| { |
| return false; |
| } |
| }, |
| |
| BY_ECORE |
| { |
| @Override |
| public boolean isOrdered(EReference reference) |
| { |
| return reference.isOrdered(); |
| } |
| }, |
| |
| BY_ANNOTATED_ECORE |
| { |
| @Override |
| public boolean isOrdered(EReference reference) |
| { |
| // TODO list-ordering |
| // return !EMFUtil.isUnordered(reference); |
| return reference.isOrdered(); |
| } |
| }; |
| |
| public abstract boolean isOrdered(EReference reference); |
| } |
| |
| /** |
| * Enumerates the possible {@link CDOCommonRepository#getIDGenerationLocation() ID generation locations} of a CDO |
| * repository. |
| * |
| * @author Eike Stepper |
| * @since 4.6 |
| */ |
| public enum CommitInfoStorage |
| { |
| NO, YES, WITH_MERGE_SOURCE |
| } |
| |
| /** |
| * Enumerates the possible {@link CDOCommonRepository#getType() types} of a CDO repository. |
| * |
| * @author Eike Stepper |
| */ |
| public enum Type |
| { |
| MASTER, BACKUP, CLONE |
| } |
| |
| /** |
| * Enumerates the possible {@link CDOCommonRepository#getState() states} of a CDO repository. |
| * |
| * @author Eike Stepper |
| */ |
| public static enum State |
| { |
| INITIAL, OFFLINE, SYNCING, ONLINE; |
| |
| public boolean isConnected() |
| { |
| return this == SYNCING || this == ONLINE; |
| } |
| } |
| |
| /** |
| * An {@link IEvent event} fired when the {@link Type type} of a CDO repository has changed. This usually happens only |
| * for repository fail-over participants. |
| * |
| * @author Eike Stepper |
| * @noextend This interface is not intended to be extended by clients. |
| * @noimplement This interface is not intended to be implemented by clients. |
| */ |
| public interface TypeChangedEvent extends IEvent |
| { |
| public Type getOldType(); |
| |
| public Type getNewType(); |
| } |
| |
| /** |
| * An {@link IEvent event} fired when the {@link State state} of a CDO repository has changed. |
| * |
| * @author Eike Stepper |
| * @noextend This interface is not intended to be extended by clients. |
| * @noimplement This interface is not intended to be implemented by clients. |
| */ |
| public interface StateChangedEvent extends IEvent |
| { |
| public State getOldState(); |
| |
| public State getNewState(); |
| } |
| } |