com.hazelcast.client.impl.proxy.ClientCardinalityEstimatorProxy Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2021, 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.impl.proxy;
import com.hazelcast.cardinality.CardinalityEstimator;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.CardinalityEstimatorAddCodec;
import com.hazelcast.client.impl.protocol.codec.CardinalityEstimatorEstimateCodec;
import com.hazelcast.client.impl.spi.ClientContext;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.spi.impl.InternalCompletableFuture;
import javax.annotation.Nonnull;
import static com.hazelcast.internal.util.Preconditions.checkNotNull;
/**
* Proxy implementation of {@link CardinalityEstimator}.
*/
public class ClientCardinalityEstimatorProxy
extends PartitionSpecificClientProxy implements CardinalityEstimator {
public ClientCardinalityEstimatorProxy(String serviceName, String objectId, ClientContext context) {
super(serviceName, objectId, context);
}
@Override
public String toString() {
return "CardinalityEstimator{" + "name='" + name + '\'' + '}';
}
@Override
public void add(@Nonnull Object obj) {
addAsync(obj).joinInternal();
}
@Override
public long estimate() {
return estimateAsync().joinInternal();
}
@Override
public InternalCompletableFuture addAsync(@Nonnull Object obj) {
checkNotNull(obj, "Object must not be null");
Data data = toData(obj);
ClientMessage request = CardinalityEstimatorAddCodec.encodeRequest(name, data.hash64());
return invokeOnPartitionAsync(request, clientMessage -> null);
}
@Override
public InternalCompletableFuture estimateAsync() {
ClientMessage request = CardinalityEstimatorEstimateCodec.encodeRequest(name);
return invokeOnPartitionAsync(request, CardinalityEstimatorEstimateCodec::decodeResponse);
}
}