/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client.proxy;
import com.hazelcast.client.impl.client.ClientRequest;
import com.hazelcast.client.spi.ClientProxy;
import com.hazelcast.client.spi.EventHandler;
import com.hazelcast.collection.client.CollectionAddAllRequest;
import com.hazelcast.collection.client.CollectionAddListenerRequest;
import com.hazelcast.collection.client.CollectionAddRequest;
import com.hazelcast.collection.client.CollectionClearRequest;
import com.hazelcast.collection.client.CollectionCompareAndRemoveRequest;
import com.hazelcast.collection.client.CollectionContainsRequest;
import com.hazelcast.collection.client.CollectionGetAllRequest;
import com.hazelcast.collection.client.CollectionIsEmptyRequest;
import com.hazelcast.collection.client.CollectionRemoveListenerRequest;
import com.hazelcast.collection.client.CollectionRemoveRequest;
import com.hazelcast.collection.client.CollectionRequest;
import com.hazelcast.collection.client.CollectionSizeRequest;
import com.hazelcast.core.ICollection;
import com.hazelcast.core.ItemEvent;
import com.hazelcast.core.ItemEventType;
import com.hazelcast.core.ItemListener;
import com.hazelcast.core.Member;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.impl.PortableItemEvent;
import com.hazelcast.spi.impl.SerializableCollection;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
/**
* @ali 9/4/13
*/
public class AbstractClientCollectionProxy<E> extends ClientProxy implements ICollection<E> {
protected final String partitionKey;
public AbstractClientCollectionProxy(String serviceName, String name) {
super(serviceName, name);
partitionKey = getPartitionKey();
}
public int size() {
CollectionSizeRequest request = new CollectionSizeRequest(getName());
final Integer result = invoke(request);
return result;
}
public boolean isEmpty() {
CollectionIsEmptyRequest request = new CollectionIsEmptyRequest(getName());
final Boolean result = invoke(request);
return result;
}
public boolean contains(Object o) {
throwExceptionIfNull(o);
final CollectionContainsRequest request = new CollectionContainsRequest(getName(), toData(o));
final Boolean result = invoke(request);
return result;
}
public Iterator<E> iterator() {
return Collections.unmodifiableCollection(getAll()).iterator();
}
public Object[] toArray() {
return getAll().toArray();
}
public <T> T[] toArray(T[] a) {
return getAll().toArray(a);
}
public boolean add(E e) {
throwExceptionIfNull(e);
final CollectionAddRequest request = new CollectionAddRequest(getName(), toData(e));
final Boolean result = invoke(request);
return result;
}
public boolean remove(Object o) {
throwExceptionIfNull(o);
final CollectionRemoveRequest request = new CollectionRemoveRequest(getName(), toData(o));
final Boolean result = invoke(request);
return result;
}
public boolean containsAll(Collection<?> c) {
throwExceptionIfNull(c);
Set<Data> valueSet = new HashSet<Data>(c.size());
for (Object o : c) {
throwExceptionIfNull(o);
valueSet.add(toData(o));
}
final CollectionContainsRequest request = new CollectionContainsRequest(getName(), valueSet);
final Boolean result = invoke(request);
return result;
}
public boolean addAll(Collection<? extends E> c) {
throwExceptionIfNull(c);
final List<Data> valueList = new ArrayList<Data>(c.size());
for (E e : c) {
throwExceptionIfNull(e);
valueList.add(toData(e));
}
final CollectionAddAllRequest request = new CollectionAddAllRequest(getName(), valueList);
final Boolean result = invoke(request);
return result;
}
public boolean removeAll(Collection<?> c) {
return compareAndRemove(false, c);
}
public boolean retainAll(Collection<?> c) {
return compareAndRemove(true, c);
}
private boolean compareAndRemove(boolean retain, Collection<?> c) {
throwExceptionIfNull(c);
final Set<Data> valueSet = new HashSet<Data>();
for (Object o : c) {
throwExceptionIfNull(o);
valueSet.add(toData(o));
}
final CollectionCompareAndRemoveRequest request = new CollectionCompareAndRemoveRequest(getName(), valueSet, retain);
final Boolean result = invoke(request);
return result;
}
public void clear() {
final CollectionClearRequest request = new CollectionClearRequest(getName());
invoke(request);
}
public String addItemListener(final ItemListener<E> listener, final boolean includeValue) {
final CollectionAddListenerRequest request = new CollectionAddListenerRequest(getName(), includeValue);
request.setServiceName(getServiceName());
EventHandler<PortableItemEvent> eventHandler = new EventHandler<PortableItemEvent>() {
public void handle(PortableItemEvent portableItemEvent) {
E item = includeValue ? (E) getContext().getSerializationService().toObject(portableItemEvent.getItem()) : null;
Member member = getContext().getClusterService().getMember(portableItemEvent.getUuid());
ItemEvent<E> itemEvent = new ItemEvent<E>(getName(), portableItemEvent.getEventType(), item, member);
if (portableItemEvent.getEventType() == ItemEventType.ADDED) {
listener.itemAdded(itemEvent);
} else {
listener.itemRemoved(itemEvent);
}
}
@Override
public void beforeListenerRegister() {
}
@Override
public void onListenerRegister() {
}
};
return listen(request, getPartitionKey(), eventHandler);
}
public boolean removeItemListener(String registrationId) {
final CollectionRemoveListenerRequest request = new CollectionRemoveListenerRequest(getName(),
registrationId, getServiceName());
return stopListening(request, registrationId);
}
protected <T> T invoke(ClientRequest req) {
if (req instanceof CollectionRequest) {
CollectionRequest request = (CollectionRequest) req;
request.setServiceName(getServiceName());
}
return super.invoke(req, getPartitionKey());
}
private Collection<E> getAll() {
final CollectionGetAllRequest request = new CollectionGetAllRequest(getName());
final SerializableCollection result = invoke(request);
final Collection<Data> collection = result.getCollection();
final ArrayList<E> list = new ArrayList<E>(collection.size());
for (Data value : collection) {
list.add((E) toObject(value));
}
return list;
}
}