Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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.cp.internal.datastructures.atomicref.proxy;
import com.hazelcast.cp.IAtomicReference;
import com.hazelcast.core.IFunction;
import com.hazelcast.cp.CPGroupId;
import com.hazelcast.cp.internal.RaftGroupId;
import com.hazelcast.cp.internal.RaftInvocationManager;
import com.hazelcast.cp.internal.RaftOp;
import com.hazelcast.cp.internal.RaftService;
import com.hazelcast.cp.internal.datastructures.atomicref.AtomicRefService;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.ApplyOp;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.CompareAndSetOp;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.ContainsOp;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.GetOp;
import com.hazelcast.cp.internal.datastructures.atomicref.operation.SetOp;
import com.hazelcast.cp.internal.datastructures.spi.operation.DestroyRaftObjectOp;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.spi.impl.InternalCompletableFuture;
import com.hazelcast.spi.impl.NodeEngine;
import com.hazelcast.internal.serialization.SerializationService;
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.cp.internal.raft.QueryPolicy.LINEARIZABLE;
import static com.hazelcast.internal.util.Preconditions.checkTrue;
/**
* Server-side Raft-based proxy implementation of {@link IAtomicReference}
*
* @param type of the referenced values
*/
public class AtomicRefProxy implements IAtomicReference {
private final RaftInvocationManager invocationManager;
private final SerializationService serializationService;
private final RaftGroupId groupId;
private final String proxyName;
private final String objectName;
public AtomicRefProxy(NodeEngine nodeEngine, RaftGroupId groupId, String proxyName, String objectName) {
RaftService service = nodeEngine.getService(RaftService.SERVICE_NAME);
this.invocationManager = service.getInvocationManager();
this.serializationService = nodeEngine.getSerializationService();
this.groupId = groupId;
this.proxyName = proxyName;
this.objectName = objectName;
}
@Override
public boolean compareAndSet(T expect, T update) {
return compareAndSetAsync(expect, update).joinInternal();
}
@Override
public T get() {
return getAsync().joinInternal();
}
@Override
public void set(T newValue) {
setAsync(newValue).joinInternal();
}
@Override
public T getAndSet(T newValue) {
return getAndSetAsync(newValue).joinInternal();
}
@Override
public boolean isNull() {
return isNullAsync().joinInternal();
}
@Override
public void clear() {
clearAsync().joinInternal();
}
@Override
public boolean contains(T value) {
return containsAsync(value).joinInternal();
}
@Override
public void alter(IFunction function) {
alterAsync(function).joinInternal();
}
@Override
public T alterAndGet(IFunction function) {
return alterAndGetAsync(function).joinInternal();
}
@Override
public T getAndAlter(IFunction function) {
return getAndAlterAsync(function).joinInternal();
}
@Override
public R apply(IFunction function) {
return applyAsync(function).joinInternal();
}
@Override
public InternalCompletableFuture compareAndSetAsync(T expect, T update) {
return invocationManager.invoke(groupId, new CompareAndSetOp(objectName, toData(expect), toData(update)));
}
@Override
public InternalCompletableFuture getAsync() {
return invocationManager.query(groupId, new GetOp(objectName), LINEARIZABLE);
}
@Override
public InternalCompletableFuture setAsync(T newValue) {
return invocationManager.invoke(groupId, new SetOp(objectName, toData(newValue), false));
}
@Override
public InternalCompletableFuture getAndSetAsync(T newValue) {
return invocationManager.invoke(groupId, new SetOp(objectName, toData(newValue), true));
}
@Override
public InternalCompletableFuture isNullAsync() {
return containsAsync(null);
}
@Override
public InternalCompletableFuture clearAsync() {
return setAsync(null);
}
@Override
public InternalCompletableFuture containsAsync(T expected) {
return invocationManager.query(groupId, new ContainsOp(objectName, toData(expected)), LINEARIZABLE);
}
@Override
public InternalCompletableFuture alterAsync(IFunction function) {
checkTrue(function != null, "Function cannot be null");
return invocationManager.invoke(groupId, new ApplyOp(objectName, toData(function), NO_RETURN_VALUE, true));
}
@Override
public InternalCompletableFuture alterAndGetAsync(IFunction function) {
checkTrue(function != null, "Function cannot be null");
return invocationManager.invoke(groupId, new ApplyOp(objectName, toData(function), RETURN_NEW_VALUE, true));
}
@Override
public InternalCompletableFuture getAndAlterAsync(IFunction function) {
checkTrue(function != null, "Function cannot be null");
return invocationManager.invoke(groupId, new ApplyOp(objectName, toData(function), RETURN_OLD_VALUE, true));
}
@Override
public InternalCompletableFuture applyAsync(IFunction function) {
checkTrue(function != null, "Function cannot be null");
RaftOp op = new ApplyOp(objectName, toData(function), RETURN_NEW_VALUE, false);
return invocationManager.query(groupId, op, LINEARIZABLE);
}
@Override
public String getPartitionKey() {
throw new UnsupportedOperationException();
}
@Override
public String getName() {
return proxyName;
}
@Override
public String getServiceName() {
return AtomicRefService.SERVICE_NAME;
}
@Override
public void destroy() {
invocationManager.invoke(groupId, new DestroyRaftObjectOp(getServiceName(), objectName)).joinInternal();
}
public CPGroupId getGroupId() {
return groupId;
}
private Data toData(Object value) {
return serializationService.toData(value);
}
}
