diff options
Diffstat (limited to 'plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java')
-rw-r--r-- | plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java | 508 |
1 files changed, 254 insertions, 254 deletions
diff --git a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java index 1f5ee29c78..256dc5282f 100644 --- a/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java +++ b/plugins/org.eclipse.emf.cdo.server.db/src/org/eclipse/emf/cdo/server/internal/db/StringIDHandler.java @@ -1,254 +1,254 @@ -/*
- * 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.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.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.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.Collections;
-import java.util.Set;
-
-/**
- * @author Eike Stepper
- */
-public class StringIDHandler extends Lifecycle implements IIDHandler
-{
- public static final Set<ObjectType> OBJECT_ID_TYPES = Collections.singleton(CDOID.ObjectType.STRING);
-
- public static final CDOID MIN = CDOID.NULL;
-
- public static final CDOID MAX = create(Long.toString(Long.MAX_VALUE));
-
- private DBStore store;
-
- private long lastObjectID = 0;
-
- private long nextLocalObjectID = Long.MAX_VALUE;
-
- public StringIDHandler(DBStore store)
- {
- this.store = store;
- }
-
- public DBStore getStore()
- {
- return store;
- }
-
- public int compare(CDOID id1, CDOID id2)
- {
- if (id1.getType() == CDOID.Type.OBJECT && id2.getType() == CDOID.Type.OBJECT)
- {
- return Long.valueOf(value(id1)).compareTo(Long.valueOf(value(id2)));
- }
-
- return id1.compareTo(id2);
- }
-
- public DBType getDBType()
- {
- return DBType.VARCHAR;
- }
-
- public Set<ObjectType> getObjectIDTypes()
- {
- return OBJECT_ID_TYPES;
- }
-
- public CDOID createCDOID(String val)
- {
- return create(val);
- }
-
- public synchronized CDOID getLastObjectID()
- {
- return CDOIDUtil.createString("" + lastObjectID);
- }
-
- public synchronized void setLastObjectID(CDOID lastObjectID)
- {
- this.lastObjectID = Long.parseLong(value(lastObjectID));
- }
-
- public void adjustLastObjectID(CDOID maxID)
- {
- // TODO: implement StringIDHandler.adjustLastObjectID(maxID)
- throw new UnsupportedOperationException();
- }
-
- public synchronized CDOID getNextLocalObjectID()
- {
- return CDOIDUtil.createString("" + nextLocalObjectID);
- }
-
- public synchronized void setNextLocalObjectID(CDOID nextLocalObjectID)
- {
- this.nextLocalObjectID = Long.parseLong(value(nextLocalObjectID));
- }
-
- public synchronized CDOID getNextCDOID(CDORevision revision)
- {
- if (revision.getBranch().isLocal())
- {
- return CDOIDUtil.createString("" + nextLocalObjectID--);
- }
-
- return CDOIDUtil.createString("" + ++lastObjectID);
- }
-
- public boolean isLocalCDOID(CDOID id)
- {
- if (id.getType() == CDOID.Type.OBJECT)
- {
- return Long.parseLong(value(id)) > nextLocalObjectID;
- }
-
- return false;
- }
-
- public ITypeMapping getObjectTypeMapping()
- {
- return new CoreTypeMappings.TMObject();
- }
-
- public void appendCDOID(StringBuilder builder, CDOID id)
- {
- builder.append("'");
- builder.append(value(id));
- builder.append("'");
- }
-
- public void setCDOIDRaw(PreparedStatement stmt, int column, Object rawID) throws SQLException
- {
- stmt.setString(column, (String)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
- {
- String value = value(id);
- stmt.setString(column, value == null || value.length() == 0 ? "0" : value);
- }
-
- public CDOID getCDOID(ResultSet resultSet, int column) throws SQLException
- {
- String id = resultSet.getString(column);
- if (resultSet.wasNull())
- {
- return null;
- }
-
- return create(id);
- }
-
- public CDOID getCDOID(ResultSet resultSet, String name) throws SQLException
- {
- String id = resultSet.getString(name);
- if (resultSet.wasNull())
- {
- return null;
- }
-
- return create(id);
- }
-
- public CDOID getMinCDOID()
- {
- return MIN;
- }
-
- public CDOID getMaxCDOID()
- {
- return MAX;
- }
-
- public CDOID mapURI(IDBStoreAccessor accessor, String uri, long commitTime)
- {
- return create(uri);
- }
-
- public String unmapURI(IDBStoreAccessor accessor, CDOID id)
- {
- return value(id);
- }
-
- public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime)
- throws IOException
- {
- // Do nothing
- }
-
- public void rawImport(Connection connection, CDODataInput in, long fromCommitTime, long toCommitTime,
- OMMonitor monitor) throws IOException
- {
- // Do nothing
- }
-
- private static CDOID create(String id)
- {
- if (id == null)
- {
- return null;
- }
-
- int length = id.length();
- if (length == 0)
- {
- return null;
- }
-
- char firstChar = id.charAt(0);
- if (length == 1 && firstChar == '0')
- {
- return null;
- }
-
- if (Character.isDigit(firstChar))
- {
- long value = Long.parseLong(id);
- if (value < 0)
- {
- throw new IllegalArgumentException("Illegal ID value: " + id);
- }
-
- return CDOIDUtil.createString(id);
- }
-
- return CDOIDUtil.createExternal(id);
- }
-
- private static String value(CDOID id)
- {
- return CDOIDUtil.getString(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.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.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.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.Collections; +import java.util.Set; + +/** + * @author Eike Stepper + */ +public class StringIDHandler extends Lifecycle implements IIDHandler +{ + public static final Set<ObjectType> OBJECT_ID_TYPES = Collections.singleton(CDOID.ObjectType.STRING); + + public static final CDOID MIN = CDOID.NULL; + + public static final CDOID MAX = create(Long.toString(Long.MAX_VALUE)); + + private DBStore store; + + private long lastObjectID = 0; + + private long nextLocalObjectID = Long.MAX_VALUE; + + public StringIDHandler(DBStore store) + { + this.store = store; + } + + public DBStore getStore() + { + return store; + } + + public int compare(CDOID id1, CDOID id2) + { + if (id1.getType() == CDOID.Type.OBJECT && id2.getType() == CDOID.Type.OBJECT) + { + return Long.valueOf(value(id1)).compareTo(Long.valueOf(value(id2))); + } + + return id1.compareTo(id2); + } + + public DBType getDBType() + { + return DBType.VARCHAR; + } + + public Set<ObjectType> getObjectIDTypes() + { + return OBJECT_ID_TYPES; + } + + public CDOID createCDOID(String val) + { + return create(val); + } + + public synchronized CDOID getLastObjectID() + { + return CDOIDUtil.createString("" + lastObjectID); + } + + public synchronized void setLastObjectID(CDOID lastObjectID) + { + this.lastObjectID = Long.parseLong(value(lastObjectID)); + } + + public void adjustLastObjectID(CDOID maxID) + { + // TODO: implement StringIDHandler.adjustLastObjectID(maxID) + throw new UnsupportedOperationException(); + } + + public synchronized CDOID getNextLocalObjectID() + { + return CDOIDUtil.createString("" + nextLocalObjectID); + } + + public synchronized void setNextLocalObjectID(CDOID nextLocalObjectID) + { + this.nextLocalObjectID = Long.parseLong(value(nextLocalObjectID)); + } + + public synchronized CDOID getNextCDOID(CDORevision revision) + { + if (revision.getBranch().isLocal()) + { + return CDOIDUtil.createString("" + nextLocalObjectID--); + } + + return CDOIDUtil.createString("" + ++lastObjectID); + } + + public boolean isLocalCDOID(CDOID id) + { + if (id.getType() == CDOID.Type.OBJECT) + { + return Long.parseLong(value(id)) > nextLocalObjectID; + } + + return false; + } + + public ITypeMapping getObjectTypeMapping() + { + return new CoreTypeMappings.TMObject(); + } + + public void appendCDOID(StringBuilder builder, CDOID id) + { + builder.append("'"); + builder.append(value(id)); + builder.append("'"); + } + + public void setCDOIDRaw(PreparedStatement stmt, int column, Object rawID) throws SQLException + { + stmt.setString(column, (String)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 + { + String value = value(id); + stmt.setString(column, value == null || value.length() == 0 ? "0" : value); + } + + public CDOID getCDOID(ResultSet resultSet, int column) throws SQLException + { + String id = resultSet.getString(column); + if (resultSet.wasNull()) + { + return null; + } + + return create(id); + } + + public CDOID getCDOID(ResultSet resultSet, String name) throws SQLException + { + String id = resultSet.getString(name); + if (resultSet.wasNull()) + { + return null; + } + + return create(id); + } + + public CDOID getMinCDOID() + { + return MIN; + } + + public CDOID getMaxCDOID() + { + return MAX; + } + + public CDOID mapURI(IDBStoreAccessor accessor, String uri, long commitTime) + { + return create(uri); + } + + public String unmapURI(IDBStoreAccessor accessor, CDOID id) + { + return value(id); + } + + public void rawExport(Connection connection, CDODataOutput out, long fromCommitTime, long toCommitTime) + throws IOException + { + // Do nothing + } + + public void rawImport(Connection connection, CDODataInput in, long fromCommitTime, long toCommitTime, + OMMonitor monitor) throws IOException + { + // Do nothing + } + + private static CDOID create(String id) + { + if (id == null) + { + return null; + } + + int length = id.length(); + if (length == 0) + { + return null; + } + + char firstChar = id.charAt(0); + if (length == 1 && firstChar == '0') + { + return null; + } + + if (Character.isDigit(firstChar)) + { + long value = Long.parseLong(id); + if (value < 0) + { + throw new IllegalArgumentException("Illegal ID value: " + id); + } + + return CDOIDUtil.createString(id); + } + + return CDOIDUtil.createExternal(id); + } + + private static String value(CDOID id) + { + return CDOIDUtil.getString(id); + } +} |