org.apache.james.mailbox.indexer.registrations.MailboxRegistration.java Source code

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Here is the source code for org.apache.james.mailbox.indexer.registrations.MailboxRegistration.java

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package org.apache.james.mailbox.indexer.registrations;

import java.util.List;

import org.apache.james.mailbox.MailboxListener;
import org.apache.james.mailbox.indexer.events.FlagsMessageEvent;
import org.apache.james.mailbox.indexer.events.ImpactingMessageEvent;
import org.apache.james.mailbox.indexer.events.MessageDeletedEvent;
import org.apache.james.mailbox.model.MailboxPath;
import org.apache.james.mailbox.model.UpdatedFlags;

import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.Multimap;
import com.google.common.collect.Multimaps;

public class MailboxRegistration implements MailboxListener {

    private final Multimap<Long, ImpactingMessageEvent> impactingMessageEvents;
    private final MailboxPath mailboxPath;

    public MailboxRegistration(MailboxPath mailboxPath) {
        this.impactingMessageEvents = Multimaps
                .synchronizedMultimap(ArrayListMultimap.<Long, ImpactingMessageEvent>create());
        this.mailboxPath = mailboxPath;
    }

    @Override
    public ListenerType getType() {
        return ListenerType.MAILBOX;
    }

    @Override
    public ExecutionMode getExecutionMode() {
        return ExecutionMode.SYNCHRONOUS;
    }

    public List<ImpactingMessageEvent> getImpactingEvents(long uid) {
        return ImmutableList.copyOf(impactingMessageEvents.get(uid));
    }

    @Override
    public void event(Event event) {
        if (event instanceof FlagsUpdated) {
            for (UpdatedFlags updatedFlags : ((FlagsUpdated) event).getUpdatedFlags()) {
                impactingMessageEvents.put(updatedFlags.getUid(),
                        new FlagsMessageEvent(mailboxPath, updatedFlags.getUid(), updatedFlags.getNewFlags()));
            }
        } else if (event instanceof Expunged) {
            for (Long uid : ((Expunged) event).getUids()) {
                impactingMessageEvents.put(uid, new MessageDeletedEvent(mailboxPath, uid));
            }
        }
    }

}