/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.notifications.cachelistener.event;
import net.jcip.annotations.NotThreadSafe;
import org.infinispan.Cache;
import org.infinispan.distribution.ch.ConsistentHash;
import org.infinispan.marshall.MarshalledValue;
import org.infinispan.remoting.transport.Address;
import org.infinispan.transaction.xa.GlobalTransaction;
import org.infinispan.util.Util;
import java.util.Collection;
import java.util.Map;
/**
* Basic implementation of an event that covers all event types.
*
* @author Manik Surtani
* @since 4.0
*/
@NotThreadSafe
public class EventImpl<K, V> implements CacheEntryActivatedEvent, CacheEntryCreatedEvent, CacheEntriesEvictedEvent, CacheEntryLoadedEvent, CacheEntryModifiedEvent,
CacheEntryPassivatedEvent, CacheEntryRemovedEvent, CacheEntryVisitedEvent, TransactionCompletedEvent, TransactionRegisteredEvent,
CacheEntryInvalidatedEvent, DataRehashedEvent, TopologyChangedEvent, CacheEntryEvictedEvent {
private boolean pre = false; // by default events are after the fact
private Cache<K, V> cache;
private K key;
private GlobalTransaction transaction;
private boolean originLocal = true; // by default events all originate locally
private boolean transactionSuccessful;
private Type type;
private V value;
private Collection<Address> membersAtStart, membersAtEnd;
private ConsistentHash consistentHashAtStart, consistentHashAtEnd;
private long newViewId;
private Map<Object, Object> entries;
private Collection<Object> keysMoved;
public EventImpl() {
}
public static <K, V> EventImpl<K, V> createEvent(Cache<K, V> cache, Type type) {
EventImpl<K, V> e = new EventImpl<K,V>();
e.cache = cache;
e.type = type;
return e;
}
@Override
public Type getType() {
return type;
}
@Override
public boolean isPre() {
return pre;
}
@Override
public Cache<K, V> getCache() {
return cache;
}
@Override
@SuppressWarnings("unchecked")
public K getKey() {
if (key instanceof MarshalledValue)
key = (K) ((MarshalledValue) key).get();
return key;
}
@Override
public GlobalTransaction getGlobalTransaction() {
return this.transaction;
}
@Override
public boolean isOriginLocal() {
return originLocal;
}
@Override
public boolean isTransactionSuccessful() {
return transactionSuccessful;
}
// ------------------------------ setters -----------------------------
public void setPre(boolean pre) {
this.pre = pre;
}
public void setCache(Cache<K, V> cache) {
this.cache = cache;
}
public void setKey(K key) {
this.key = key;
}
public void setTransactionId(GlobalTransaction transaction) {
this.transaction = transaction;
}
public void setOriginLocal(boolean originLocal) {
this.originLocal = originLocal;
}
public void setTransactionSuccessful(boolean transactionSuccessful) {
this.transactionSuccessful = transactionSuccessful;
}
public void setType(Type type) {
this.type = type;
}
public void setMembersAtStart(Collection<Address> membersAtStart) {
this.membersAtStart = membersAtStart;
}
public void setMembersAtEnd(Collection<Address> membersAtEnd) {
this.membersAtEnd = membersAtEnd;
}
public void setConsistentHashAtStart(ConsistentHash consistentHashAtStart) {
this.consistentHashAtStart = consistentHashAtStart;
}
public void setConsistentHashAtEnd(ConsistentHash consistentHashAtEnd) {
this.consistentHashAtEnd = consistentHashAtEnd;
}
public void setNewViewId(long newViewId) {
this.newViewId = newViewId;
}
@Override
@SuppressWarnings("unchecked")
public V getValue() {
if (value instanceof MarshalledValue)
value = (V) ((MarshalledValue) value).get();
return value;
}
public void setValue(V value) {
this.value = value;
}
public void setEntries(Map<Object, Object> entries) {
this.entries = entries;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
EventImpl<?, ?> event = (EventImpl<?, ?>) o;
if (originLocal != event.originLocal) return false;
if (pre != event.pre) return false;
if (transactionSuccessful != event.transactionSuccessful) return false;
if (cache != null ? !cache.equals(event.cache) : event.cache != null) return false;
if (key != null ? !key.equals(event.key) : event.key != null) return false;
if (transaction != null ? !transaction.equals(event.transaction) : event.transaction != null) return false;
if (type != event.type) return false;
if (value != null ? !value.equals(event.value) : event.value != null) return false;
if (!Util.safeEquals(consistentHashAtStart, event.consistentHashAtStart)) return false;
if (!Util.safeEquals(consistentHashAtEnd, event.consistentHashAtEnd)) return false;
if (!Util.safeEquals(membersAtStart, event.membersAtStart)) return false;
if (!Util.safeEquals(membersAtEnd, event.membersAtEnd)) return false;
if (newViewId != event.newViewId) return false;
return true;
}
@Override
public int hashCode() {
int result = (pre ? 1 : 0);
result = 31 * result + (cache != null ? cache.hashCode() : 0);
result = 31 * result + (key != null ? key.hashCode() : 0);
result = 31 * result + (transaction != null ? transaction.hashCode() : 0);
result = 31 * result + (originLocal ? 1 : 0);
result = 31 * result + (transactionSuccessful ? 1 : 0);
result = 31 * result + (type != null ? type.hashCode() : 0);
result = 31 * result + (value != null ? value.hashCode() : 0);
result = 31 * result + (membersAtStart != null ? membersAtStart.hashCode() : 0);
result = 31 * result + (membersAtEnd != null ? membersAtEnd.hashCode() : 0);
result = 31 * result + (consistentHashAtStart != null ? consistentHashAtStart.hashCode() : 0);
result = 31 * result + (consistentHashAtEnd != null ? consistentHashAtEnd.hashCode() : 0);
result = 31 * result + ((int) newViewId);
return result;
}
@Override
public String toString() {
return "EventImpl{" +
"pre=" + pre +
", key=" + key +
", transaction=" + transaction +
", originLocal=" + originLocal +
", transactionSuccessful=" + transactionSuccessful +
", type=" + type +
", value=" + value +
'}';
}
@Override
public Collection<Address> getMembersAtStart() {
return membersAtStart;
}
@Override
public Collection<Address> getMembersAtEnd() {
return membersAtEnd;
}
@Override
public long getNewViewId() {
return newViewId;
}
@Override
public ConsistentHash getConsistentHashAtStart() {
return consistentHashAtStart;
}
@Override
public ConsistentHash getConsistentHashAtEnd() {
return consistentHashAtEnd;
}
@Override
public Map<K, V> getEntries() {
return (Map<K, V>) entries;
}
public void setKeysMoved(Collection<Object> keysMoved) {
this.keysMoved = keysMoved;
}
@Override
public Collection<Object> getKeysMoved() {
return keysMoved;
}
}