| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.server.core.partition; |
| |
| |
| import javax.naming.InvalidNameException; |
| |
| import org.apache.directory.server.core.entry.ClonedServerEntry; |
| import org.apache.directory.server.core.interceptor.context.EntryOperationContext; |
| import org.apache.directory.server.core.interceptor.context.LookupOperationContext; |
| import org.apache.directory.shared.ldap.entry.Entry; |
| import org.apache.directory.shared.ldap.exception.LdapException; |
| import org.apache.directory.shared.ldap.exception.LdapOtherException; |
| import org.apache.directory.shared.ldap.schema.SchemaManager; |
| |
| |
| /** |
| * A {@link Partition} that helps users to implement their own partition. |
| * Most methods are implemented by default. Please look at the description of |
| * each methods for the detail of implementations. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public abstract class AbstractPartition implements Partition |
| { |
| /** <tt>true</tt> if and only if this partition is initialized. */ |
| protected boolean initialized; |
| |
| /** The SchemaManager instance */ |
| protected SchemaManager schemaManager; |
| |
| /** The partition ContextEntry */ |
| protected Entry contextEntry; |
| |
| protected AbstractPartition() |
| { |
| } |
| |
| |
| /** |
| * Sets up (<tt>directoryService</tt> and calls {@link #doInit()} where you have to put your |
| * initialization code in. {@link #isInitialized()} will return <tt>true</tt> if |
| * {@link #doInit()} returns without any errors. {@link #destroy()} is called automatically |
| * as a clean-up process if {@link #doInit()} throws an exception. |
| */ |
| public final void initialize( ) throws LdapException |
| { |
| if ( initialized ) |
| { |
| // Already initialized. |
| return; |
| } |
| |
| try |
| { |
| doInit(); |
| initialized = true; |
| } |
| catch ( Exception e ) |
| { |
| throw new LdapOtherException( e.getMessage() ); |
| } |
| finally |
| { |
| if ( !initialized ) |
| { |
| try |
| { |
| destroy(); |
| } |
| catch ( Exception e ) |
| { |
| throw new LdapOtherException( e.getMessage() ); |
| } |
| } |
| } |
| } |
| |
| |
| /** |
| * Override this method to put your initialization code. |
| * @throws Exception |
| */ |
| protected abstract void doInit() throws InvalidNameException, Exception; |
| |
| |
| /** |
| * Calls {@link #doDestroy()} where you have to put your destroy code in, |
| * and clears default properties. Once this method is invoked, {@link #isInitialized()} |
| * will return <tt>false</tt>. |
| */ |
| public final void destroy() throws Exception |
| { |
| try |
| { |
| doDestroy(); |
| } |
| finally |
| { |
| initialized = false; |
| } |
| } |
| |
| |
| /** |
| * Override this method to put your initialization code. |
| */ |
| protected abstract void doDestroy() throws Exception; |
| |
| |
| /** |
| * Returns <tt>true</tt> if this context partition is initialized successfully. |
| */ |
| public boolean isInitialized() |
| { |
| return initialized; |
| } |
| |
| |
| /** |
| * This method does nothing by default. |
| */ |
| public abstract void sync() throws Exception; |
| |
| |
| /** |
| * This method calls {@link Partition#lookup(LookupOperationContext)} and return <tt>true</tt> |
| * if it returns an entry by default. Please override this method if |
| * there is more effective way for your implementation. |
| */ |
| public boolean hasEntry( EntryOperationContext entryContext ) throws LdapException |
| { |
| try |
| { |
| return entryContext.lookup( entryContext.getDn(), ByPassConstants.LOOKUP_BYPASS ) != null; |
| } |
| catch ( LdapException e ) |
| { |
| return false; |
| } |
| } |
| |
| |
| /** |
| * This method calls {@link Partition#lookup(LookupOperationContext)} |
| * with null <tt>attributeIds</tt> by default. Please override |
| * this method if there is more effective way for your implementation. |
| */ |
| public abstract ClonedServerEntry lookup( LookupOperationContext lookupContext ) throws LdapException; |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public void setSchemaManager( SchemaManager schemaManager ) |
| { |
| this.schemaManager = schemaManager; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public SchemaManager getSchemaManager() |
| { |
| return schemaManager; |
| } |
| |
| |
| /** |
| * @return the contextEntry |
| */ |
| public Entry getContextEntry() |
| { |
| return contextEntry; |
| } |
| |
| |
| /** |
| * @param contextEntry the contextEntry to set |
| */ |
| public void setContextEntry( Entry contextEntry ) |
| { |
| this.contextEntry = contextEntry; |
| } |
| } |