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From chibenwa <...@git.apache.org>
Subject [GitHub] james-project pull request: Mailbox 257
Date Mon, 02 Nov 2015 08:48:15 GMT
Github user chibenwa commented on a diff in the pull request:

    https://github.com/apache/james-project/pull/13#discussion_r43606581
  
    --- Diff: mailbox/tool/src/main/java/org/apache/james/mailbox/indexer/ReIndexerImpl.java
---
    @@ -0,0 +1,138 @@
    +/****************************************************************
    + * 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.james.mailbox.indexer;
    +
    +import org.apache.james.mailbox.MailboxManager;
    +import org.apache.james.mailbox.MailboxSession;
    +import org.apache.james.mailbox.exception.MailboxException;
    +import org.apache.james.mailbox.indexer.events.FlagsMessageEvent;
    +import org.apache.james.mailbox.indexer.events.ImpactingEventType;
    +import org.apache.james.mailbox.indexer.events.ImpactingMessageEvent;
    +import org.apache.james.mailbox.indexer.registrations.GlobalRegistration;
    +import org.apache.james.mailbox.indexer.registrations.MailboxRegistration;
    +import org.apache.james.mailbox.model.MailboxPath;
    +import org.apache.james.mailbox.model.MessageRange;
    +import org.apache.james.mailbox.store.MailboxSessionMapperFactory;
    +import org.apache.james.mailbox.store.mail.MessageMapper;
    +import org.apache.james.mailbox.store.mail.model.Mailbox;
    +import org.apache.james.mailbox.store.mail.model.MailboxId;
    +import org.apache.james.mailbox.store.mail.model.Message;
    +import org.apache.james.mailbox.store.search.ListeningMessageSearchIndex;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import java.util.Collection;
    +import java.util.Iterator;
    +import java.util.List;
    +
    +/**
    + * Note about live re-indexation handling :
    + *
    + *  - Data races may arise... If you modify the stored value between the received event
check and the index operation,
    + *  you have an inconsistent behavior.
    + *
    + *  This class is more about supporting changes in real time for future indexed values.
If you change a flags / delete
    + *  mails for instance, you will see it in the indexed value !
    + *
    + *  Why only care about updates and deletions ? Additions are already handled by the
indexer that behaves normaly. We
    + *  should just "adapt" our indexed value to the latest value, if any. The normal indexer
will take care of new stuff.
    + */
    +public class ReIndexerImpl<Id extends MailboxId> implements ReIndexer {
    --- End diff --
    
    If you say so....


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