package org.infinispan.client.hotrod.impl.operations;
import java.net.SocketAddress;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.atomic.AtomicInteger;
import org.infinispan.client.hotrod.configuration.ClientIntelligence;
import org.infinispan.client.hotrod.impl.protocol.Codec;
import org.infinispan.client.hotrod.impl.protocol.HeaderParams;
import org.infinispan.client.hotrod.impl.transport.Transport;
import org.infinispan.client.hotrod.impl.transport.TransportFactory;
import net.jcip.annotations.Immutable;
/**
* Implements "getAll" as defined by <a href="http://community.jboss.org/wiki/HotRodProtocol">Hot Rod protocol specification</a>.
*
* @author William Burns
* @since 7.2
*/
@Immutable
public class GetAllOperation<K, V> extends RetryOnFailureOperation<Map<K, V>> {
public GetAllOperation(Codec codec, TransportFactory transportFactory,
Set<byte[]> keys, byte[] cacheName, AtomicInteger topologyId,
int flags, ClientIntelligence clientIntelligence) {
super(codec, transportFactory, cacheName, topologyId, flags, clientIntelligence);
this.keys = keys;
}
protected final Set<byte[]> keys;
@Override
protected Map<K, V> executeOperation(Transport transport) {
HeaderParams params = writeHeader(transport, GET_ALL_REQUEST);
transport.writeVInt(keys.size());
for (byte[] key : keys) {
transport.writeArray(key);
}
transport.flush();
short status = readHeaderAndValidate(transport, params);
int size = transport.readVInt();
Map<K, V> result = new HashMap<K, V>(size);
for (int i = 0; i < size; ++i) {
K key = codec.readUnmarshallByteArray(transport, status);
V value = codec.readUnmarshallByteArray(transport, status);
result.put(key, value);
}
return result;
}
@Override
protected Transport getTransport(int retryCount, Set<SocketAddress> failedServers) {
return transportFactory.getTransport(keys.iterator().next(), failedServers, cacheName);
}
}