diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java')
-rw-r--r-- | plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java | 540 |
1 files changed, 270 insertions, 270 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java index d6f5adb99d..63a68b3a25 100644 --- a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java +++ b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/LongIDHandler.java @@ -1,270 +1,270 @@ -/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, 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.server.internal.db;
-
-import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
-import org.eclipse.emf.cdo.common.id.CDOID;
-import org.eclipse.emf.cdo.common.id.CDOID.ObjectType;
-import org.eclipse.emf.cdo.common.id.CDOIDExternal;
-import org.eclipse.emf.cdo.common.id.CDOIDUtil;
-import org.eclipse.emf.cdo.common.protocol.CDODataInput;
-import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
-import org.eclipse.emf.cdo.common.revision.CDORevision;
-import org.eclipse.emf.cdo.server.IStoreAccessor.CommitContext;
-import org.eclipse.emf.cdo.server.StoreThreadLocal;
-import org.eclipse.emf.cdo.server.db.IDBStoreAccessor;
-import org.eclipse.emf.cdo.server.db.IIDHandler;
-import org.eclipse.emf.cdo.server.db.mapping.ITypeMapping;
-import org.eclipse.emf.cdo.server.internal.db.mapping.CoreTypeMappings;
-import org.eclipse.emf.cdo.spi.server.LongIDStore;
-
-import org.eclipse.net4j.db.DBType;
-import org.eclipse.net4j.util.lifecycle.Lifecycle;
-import org.eclipse.net4j.util.om.monitor.OMMonitor;
-
-import java.io.IOException;
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
-import java.util.Set;
-
-/**
- * @author Eike Stepper
- */
-public class LongIDHandler extends Lifecycle implements IIDHandler
-{
- public static final CDOID MIN = CDOID.NULL;
-
- public static final CDOID MAX = create(Long.MAX_VALUE);
-
- private DBStore store;
-
- private ExternalReferenceManager externalReferenceManager;
-
- private CDOID lastObjectID = MIN;
-
- private CDOID nextLocalObjectID = MAX;
-
- public LongIDHandler(DBStore store)
- {
- this.store = store;
- externalReferenceManager = new ExternalReferenceManager(this);
- }
-
- public DBStore getStore()
- {
- return store;
- }
-
- public Set<ObjectType> getObjectIDTypes()
- {
- return LongIDStore.OBJECT_ID_TYPES;
- }
-
- public CDOID getMinCDOID()
- {
- return MIN;
- }
-
- public CDOID getMaxCDOID()
- {
- return MAX;
- }
-
- public int compare(CDOID id1, CDOID id2)
- {
- return id1.compareTo(id2);
- }
-
- public CDOID createCDOID(String val)
- {
- Long id = Long.valueOf(val);
- return create(id);
- }
-
- public synchronized CDOID getLastObjectID()
- {
- return lastObjectID;
- }
-
- public synchronized void setLastObjectID(CDOID lastObjectID)
- {
- this.lastObjectID = lastObjectID;
- }
-
- public synchronized void adjustLastObjectID(CDOID maxID)
- {
- if (compare(maxID, lastObjectID) > 0)
- {
- lastObjectID = maxID;
- }
- }
-
- public synchronized CDOID getNextLocalObjectID()
- {
- return nextLocalObjectID;
- }
-
- public synchronized void setNextLocalObjectID(CDOID nextLocalObjectID)
- {
- this.nextLocalObjectID = nextLocalObjectID;
- }
-
- public synchronized CDOID getNextCDOID(CDORevision revision)
- {
- if (revision.getBranch().isLocal())
- {
- CDOID result = nextLocalObjectID;
- nextLocalObjectID = create(value(result) - 1);
- return result;
- }
-
- lastObjectID = create(value(lastObjectID) + 1);
- return lastObjectID;
- }
-
- public boolean isLocalCDOID(CDOID id)
- {
- return compare(id, nextLocalObjectID) > 0;
- }
-
- public DBType getDBType()
- {
- return DBType.BIGINT;
- }
-
- public ITypeMapping getObjectTypeMapping()
- {
- return new CoreTypeMappings.TMObject();
- }
-
- public void appendCDOID(StringBuilder builder, CDOID id)
- {
- long value = value(id);
- builder.append(value);
- }
-
- public void setCDOIDRaw(PreparedStatement stmt, int column, Object rawID) throws SQLException
- {
- stmt.setLong(column, (Long)rawID);
- }
-
- public void setCDOID(PreparedStatement stmt, int column, CDOID id) throws SQLException
- {
- setCDOID(stmt, column, id, CDOBranchPoint.INVALID_DATE);
- }
-
- public void setCDOID(PreparedStatement stmt, int column, CDOID id, long commitTime) throws SQLException
- {
- long value;
- if (id.getType() == CDOID.Type.EXTERNAL_OBJECT)
- {
- if (commitTime == CDOBranchPoint.INVALID_DATE)
- {
- CommitContext commitContext = StoreThreadLocal.getCommitContext();
- commitTime = commitContext != null ? commitContext.getBranchPoint().getTimeStamp()
- : CDOBranchPoint.UNSPECIFIED_DATE; // Happens on rawStore for workspace checkouts
- }
-
- value = externalReferenceManager.mapExternalReference((CDOIDExternal)id, commitTime);
- }
- else
- {
- value = value(id);
- }
-
- stmt.setLong(column, value);
- }
-
- public CDOID getCDOID(ResultSet resultSet, int column) throws SQLException
- {
- long id = resultSet.getLong(column);
- if (resultSet.wasNull())
- {
- return null;
- }
-
- return unmapExternalReference(id);
- }
-
- public CDOID getCDOID(ResultSet resultSet, String name) throws SQLException
- {
- long id = resultSet.getLong(name);
- if (resultSet.wasNull())
- {
- return null;
- }
-
- return unmapExternalReference(id);
- }
-
- private CDOID unmapExternalReference(long id)
- {
- if (id < 0)
- {
- return externalReferenceManager.unmapExternalReference(id);
- }
-
- return create(id);
- }
-
- public CDOID mapURI(IDBStoreAccessor accessor, String uri, long commitTime)
- {
- return create(externalReferenceManager.mapURI(accessor, uri, commitTime));
- }
-
- public String unmapURI(IDBStoreAccessor accessor, CDOID id)
- {
- if (id.getType() == CDOID.Type.EXTERNAL_OBJECT)
- {
- return ((CDOIDExternal)id).getURI();
- }
-
- return externalReferenceManager.unmapURI(accessor, value(id));
- }
-
- public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime)
- throws IOException
- {
- externalReferenceManager.rawExport(connection, out, fromCommitTime, toCommitTime);
- }
-
- public void rawImport(Connection connection, CDODataInput in, long fromCommitTime, long toCommitTime,
- OMMonitor monitor) throws IOException
- {
- externalReferenceManager.rawImport(connection, in, fromCommitTime, toCommitTime, monitor);
- }
-
- @Override
- protected void doActivate() throws Exception
- {
- super.doActivate();
- externalReferenceManager.activate();
- }
-
- @Override
- protected void doDeactivate() throws Exception
- {
- externalReferenceManager.deactivate();
- super.doDeactivate();
- }
-
- private static CDOID create(long id)
- {
- return CDOIDUtil.createLong(id);
- }
-
- private static long value(CDOID id)
- {
- return CDOIDUtil.getLong(id);
- }
-}
+/* + * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, 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.server.internal.db; + +import org.eclipse.emf.cdo.common.branch.CDOBranchPoint; +import org.eclipse.emf.cdo.common.id.CDOID; +import org.eclipse.emf.cdo.common.id.CDOID.ObjectType; +import org.eclipse.emf.cdo.common.id.CDOIDExternal; +import org.eclipse.emf.cdo.common.id.CDOIDUtil; +import org.eclipse.emf.cdo.common.protocol.CDODataInput; +import org.eclipse.emf.cdo.common.protocol.CDODataOutput; +import org.eclipse.emf.cdo.common.revision.CDORevision; +import org.eclipse.emf.cdo.server.IStoreAccessor.CommitContext; +import org.eclipse.emf.cdo.server.StoreThreadLocal; +import org.eclipse.emf.cdo.server.db.IDBStoreAccessor; +import org.eclipse.emf.cdo.server.db.IIDHandler; +import org.eclipse.emf.cdo.server.db.mapping.ITypeMapping; +import org.eclipse.emf.cdo.server.internal.db.mapping.CoreTypeMappings; +import org.eclipse.emf.cdo.spi.server.LongIDStore; + +import org.eclipse.net4j.db.DBType; +import org.eclipse.net4j.util.lifecycle.Lifecycle; +import org.eclipse.net4j.util.om.monitor.OMMonitor; + +import java.io.IOException; +import java.sql.Connection; +import java.sql.PreparedStatement; +import java.sql.ResultSet; +import java.sql.SQLException; +import java.util.Set; + +/** + * @author Eike Stepper + */ +public class LongIDHandler extends Lifecycle implements IIDHandler +{ + public static final CDOID MIN = CDOID.NULL; + + public static final CDOID MAX = create(Long.MAX_VALUE); + + private DBStore store; + + private ExternalReferenceManager externalReferenceManager; + + private CDOID lastObjectID = MIN; + + private CDOID nextLocalObjectID = MAX; + + public LongIDHandler(DBStore store) + { + this.store = store; + externalReferenceManager = new ExternalReferenceManager(this); + } + + public DBStore getStore() + { + return store; + } + + public Set<ObjectType> getObjectIDTypes() + { + return LongIDStore.OBJECT_ID_TYPES; + } + + public CDOID getMinCDOID() + { + return MIN; + } + + public CDOID getMaxCDOID() + { + return MAX; + } + + public int compare(CDOID id1, CDOID id2) + { + return id1.compareTo(id2); + } + + public CDOID createCDOID(String val) + { + Long id = Long.valueOf(val); + return create(id); + } + + public synchronized CDOID getLastObjectID() + { + return lastObjectID; + } + + public synchronized void setLastObjectID(CDOID lastObjectID) + { + this.lastObjectID = lastObjectID; + } + + public synchronized void adjustLastObjectID(CDOID maxID) + { + if (compare(maxID, lastObjectID) > 0) + { + lastObjectID = maxID; + } + } + + public synchronized CDOID getNextLocalObjectID() + { + return nextLocalObjectID; + } + + public synchronized void setNextLocalObjectID(CDOID nextLocalObjectID) + { + this.nextLocalObjectID = nextLocalObjectID; + } + + public synchronized CDOID getNextCDOID(CDORevision revision) + { + if (revision.getBranch().isLocal()) + { + CDOID result = nextLocalObjectID; + nextLocalObjectID = create(value(result) - 1); + return result; + } + + lastObjectID = create(value(lastObjectID) + 1); + return lastObjectID; + } + + public boolean isLocalCDOID(CDOID id) + { + return compare(id, nextLocalObjectID) > 0; + } + + public DBType getDBType() + { + return DBType.BIGINT; + } + + public ITypeMapping getObjectTypeMapping() + { + return new CoreTypeMappings.TMObject(); + } + + public void appendCDOID(StringBuilder builder, CDOID id) + { + long value = value(id); + builder.append(value); + } + + public void setCDOIDRaw(PreparedStatement stmt, int column, Object rawID) throws SQLException + { + stmt.setLong(column, (Long)rawID); + } + + public void setCDOID(PreparedStatement stmt, int column, CDOID id) throws SQLException + { + setCDOID(stmt, column, id, CDOBranchPoint.INVALID_DATE); + } + + public void setCDOID(PreparedStatement stmt, int column, CDOID id, long commitTime) throws SQLException + { + long value; + if (id.getType() == CDOID.Type.EXTERNAL_OBJECT) + { + if (commitTime == CDOBranchPoint.INVALID_DATE) + { + CommitContext commitContext = StoreThreadLocal.getCommitContext(); + commitTime = commitContext != null ? commitContext.getBranchPoint().getTimeStamp() + : CDOBranchPoint.UNSPECIFIED_DATE; // Happens on rawStore for workspace checkouts + } + + value = externalReferenceManager.mapExternalReference((CDOIDExternal)id, commitTime); + } + else + { + value = value(id); + } + + stmt.setLong(column, value); + } + + public CDOID getCDOID(ResultSet resultSet, int column) throws SQLException + { + long id = resultSet.getLong(column); + if (resultSet.wasNull()) + { + return null; + } + + return unmapExternalReference(id); + } + + public CDOID getCDOID(ResultSet resultSet, String name) throws SQLException + { + long id = resultSet.getLong(name); + if (resultSet.wasNull()) + { + return null; + } + + return unmapExternalReference(id); + } + + private CDOID unmapExternalReference(long id) + { + if (id < 0) + { + return externalReferenceManager.unmapExternalReference(id); + } + + return create(id); + } + + public CDOID mapURI(IDBStoreAccessor accessor, String uri, long commitTime) + { + return create(externalReferenceManager.mapURI(accessor, uri, commitTime)); + } + + public String unmapURI(IDBStoreAccessor accessor, CDOID id) + { + if (id.getType() == CDOID.Type.EXTERNAL_OBJECT) + { + return ((CDOIDExternal)id).getURI(); + } + + return externalReferenceManager.unmapURI(accessor, value(id)); + } + + public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime) + throws IOException + { + externalReferenceManager.rawExport(connection, out, fromCommitTime, toCommitTime); + } + + public void rawImport(Connection connection, CDODataInput in, long fromCommitTime, long toCommitTime, + OMMonitor monitor) throws IOException + { + externalReferenceManager.rawImport(connection, in, fromCommitTime, toCommitTime, monitor); + } + + @Override + protected void doActivate() throws Exception + { + super.doActivate(); + externalReferenceManager.activate(); + } + + @Override + protected void doDeactivate() throws Exception + { + externalReferenceManager.deactivate(); + super.doDeactivate(); + } + + private static CDOID create(long id) + { + return CDOIDUtil.createLong(id); + } + + private static long value(CDOID id) + { + return CDOIDUtil.getLong(id); + } +} |