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com.hazelcast.client.cp.internal.datastructures.atomicref.RaftAtomicRefProxy Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, 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.cp.internal.datastructures.atomicref;
import com.hazelcast.client.impl.clientside.ClientMessageDecoder;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.codec.CPAtomicRefApplyCodec;
import com.hazelcast.client.impl.protocol.codec.CPAtomicRefCompareAndSetCodec;
import com.hazelcast.client.impl.protocol.codec.CPAtomicRefContainsCodec;
import com.hazelcast.client.impl.protocol.codec.CPAtomicRefGetCodec;
import com.hazelcast.client.impl.protocol.codec.CPAtomicRefSetCodec;
import com.hazelcast.client.impl.protocol.codec.CPGroupDestroyCPObjectCodec;
import com.hazelcast.client.spi.ClientContext;
import com.hazelcast.client.spi.ClientProxy;
import com.hazelcast.client.spi.impl.ClientInvocation;
import com.hazelcast.client.spi.impl.ClientInvocationFuture;
import com.hazelcast.client.util.ClientDelegatingFuture;
import com.hazelcast.core.IAtomicReference;
import com.hazelcast.core.IFunction;
import com.hazelcast.cp.CPGroupId;
import com.hazelcast.cp.internal.RaftGroupId;
import com.hazelcast.cp.internal.datastructures.atomicref.RaftAtomicRefService;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.ApplyOp.ReturnValueType;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.InternalCompletableFuture;
import static com.hazelcast.cp.internal.datastructures.atomicref.operation.ApplyOp.ReturnValueType.NO_RETURN_VALUE;
import static com.hazelcast.cp.internal.datastructures.atomicref.operation.ApplyOp.ReturnValueType.RETURN_NEW_VALUE;
import static com.hazelcast.cp.internal.datastructures.atomicref.operation.ApplyOp.ReturnValueType.RETURN_OLD_VALUE;
import static com.hazelcast.util.Preconditions.checkTrue;
/**
* Client-side Raft-based proxy implementation of {@link IAtomicReference}
*
* @param the type of object referred to by this reference
*/
@SuppressWarnings("checkstyle:methodcount")
public class RaftAtomicRefProxy extends ClientProxy implements IAtomicReference {
private static final ClientMessageDecoder COMPARE_AND_SET_DECODER = new ClientMessageDecoder() {
@Override
public Boolean decodeClientMessage(ClientMessage clientMessage) {
return CPAtomicRefCompareAndSetCodec.decodeResponse(clientMessage).response;
}
};
private static final ClientMessageDecoder GET_DECODER = new ClientMessageDecoder() {
@Override
public Data decodeClientMessage(ClientMessage clientMessage) {
return CPAtomicRefGetCodec.decodeResponse(clientMessage).response;
}
};
private static final ClientMessageDecoder CONTAINS_DECODER = new ClientMessageDecoder() {
@Override
public Boolean decodeClientMessage(ClientMessage clientMessage) {
return CPAtomicRefContainsCodec.decodeResponse(clientMessage).response;
}
};
private static final ClientMessageDecoder SET_DECODER = new ClientMessageDecoder() {
@Override
public Data decodeClientMessage(ClientMessage clientMessage) {
return CPAtomicRefGetCodec.decodeResponse(clientMessage).response;
}
};
private static final ClientMessageDecoder APPLY_DECODER = new ClientMessageDecoder() {
@Override
public Data decodeClientMessage(ClientMessage clientMessage) {
return CPAtomicRefApplyCodec.decodeResponse(clientMessage).response;
}
};
private final RaftGroupId groupId;
private final String objectName;
public RaftAtomicRefProxy(ClientContext context, RaftGroupId groupId, String proxyName, String objectName) {
super(RaftAtomicRefService.SERVICE_NAME, proxyName, context);
this.groupId = groupId;
this.objectName = objectName;
}
@Override
public boolean compareAndSet(T expect, T update) {
return compareAndSetAsync(expect, update).join();
}
@Override
public T get() {
return getAsync().join();
}
@Override
public void set(T newValue) {
setAsync(newValue).join();
}
@Override
public T getAndSet(T newValue) {
return getAndSetAsync(newValue).join();
}
@Override
public T setAndGet(T update) {
setAsync(update).join();
return update;
}
@Override
public boolean isNull() {
return isNullAsync().join();
}
@Override
public void clear() {
clearAsync().join();
}
@Override
public boolean contains(T value) {
return containsAsync(value).join();
}
@Override
public void alter(IFunction function) {
alterAsync(function).join();
}
@Override
public T alterAndGet(IFunction function) {
return alterAndGetAsync(function).join();
}
@Override
public T getAndAlter(IFunction function) {
return getAndAlterAsync(function).join();
}
@Override
public R apply(IFunction function) {
return applyAsync(function).join();
}
@Override
public InternalCompletableFuture compareAndSetAsync(T expect, T update) {
Data expectedData = getContext().getSerializationService().toData(expect);
Data newData = getContext().getSerializationService().toData(update);
ClientMessage request = CPAtomicRefCompareAndSetCodec.encodeRequest(groupId, objectName, expectedData, newData);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), COMPARE_AND_SET_DECODER);
}
@Override
public InternalCompletableFuture getAsync() {
ClientMessage request = CPAtomicRefGetCodec.encodeRequest(groupId, objectName);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), GET_DECODER);
}
@Override
public InternalCompletableFuture setAsync(T newValue) {
Data data = getContext().getSerializationService().toData(newValue);
ClientMessage request = CPAtomicRefSetCodec.encodeRequest(groupId, objectName, data, false);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), SET_DECODER);
}
@Override
public InternalCompletableFuture getAndSetAsync(T newValue) {
Data data = getContext().getSerializationService().toData(newValue);
ClientMessage request = CPAtomicRefSetCodec.encodeRequest(groupId, objectName, data, true);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), SET_DECODER);
}
@Override
public InternalCompletableFuture isNullAsync() {
return containsAsync(null);
}
@Override
public InternalCompletableFuture clearAsync() {
return setAsync(null);
}
@Override
public InternalCompletableFuture containsAsync(T expected) {
Data data = getContext().getSerializationService().toData(expected);
ClientMessage request = CPAtomicRefContainsCodec.encodeRequest(groupId, objectName, data);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), CONTAINS_DECODER);
}
@Override
public InternalCompletableFuture alterAsync(IFunction function) {
return invokeApply(function, NO_RETURN_VALUE, true);
}
@Override
public InternalCompletableFuture alterAndGetAsync(IFunction function) {
return invokeApply(function, RETURN_NEW_VALUE, true);
}
@Override
public InternalCompletableFuture getAndAlterAsync(IFunction function) {
return invokeApply(function, RETURN_OLD_VALUE, true);
}
@Override
public InternalCompletableFuture applyAsync(IFunction function) {
return invokeApply(function, RETURN_NEW_VALUE, false);
}
@Override
public void onDestroy() {
ClientMessage request = CPGroupDestroyCPObjectCodec.encodeRequest(groupId, getServiceName(), objectName);
new ClientInvocation(getClient(), request, name).invoke().join();
}
@Override
public String getPartitionKey() {
throw new UnsupportedOperationException();
}
public CPGroupId getGroupId() {
return groupId;
}
private InternalCompletableFuture invokeApply(IFunction function, ReturnValueType returnValueType,
boolean alter) {
checkTrue(function != null, "Function cannot be null");
Data data = getContext().getSerializationService().toData(function);
ClientMessage request = CPAtomicRefApplyCodec.encodeRequest(groupId, objectName, data, returnValueType.value(), alter);
ClientInvocationFuture future = new ClientInvocation(getClient(), request, name).invoke();
return new ClientDelegatingFuture(future, getSerializationService(), APPLY_DECODER);
}
}