io.fluxcapacitor.javaclient.persisting.keyvalue.client.WebsocketKeyValueClient Maven / Gradle / Ivy
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Default Java client library for interfacing with Flux Capacitor.
/*
* Copyright (c) 2016-2017 Flux Capacitor.
*
* 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 io.fluxcapacitor.javaclient.persisting.keyvalue.client;
import io.fluxcapacitor.common.Awaitable;
import io.fluxcapacitor.common.Backlog;
import io.fluxcapacitor.common.Guarantee;
import io.fluxcapacitor.common.api.BooleanResult;
import io.fluxcapacitor.common.api.Data;
import io.fluxcapacitor.common.api.keyvalue.DeleteValue;
import io.fluxcapacitor.common.api.keyvalue.GetValue;
import io.fluxcapacitor.common.api.keyvalue.GetValueResult;
import io.fluxcapacitor.common.api.keyvalue.KeyValuePair;
import io.fluxcapacitor.common.api.keyvalue.StoreValueIfAbsent;
import io.fluxcapacitor.common.api.keyvalue.StoreValues;
import io.fluxcapacitor.common.api.keyvalue.StoreValuesAndWait;
import io.fluxcapacitor.javaclient.common.websocket.AbstractWebsocketClient;
import io.fluxcapacitor.javaclient.configuration.client.WebSocketClient.Properties;
import lombok.extern.slf4j.Slf4j;
import javax.websocket.ClientEndpoint;
import java.net.URI;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import static java.util.Collections.singletonList;
@Slf4j
@ClientEndpoint
public class WebsocketKeyValueClient extends AbstractWebsocketClient implements KeyValueClient {
private final Backlog backlog;
public WebsocketKeyValueClient(String endPointUrl, Properties properties) {
this(URI.create(endPointUrl), properties);
}
public WebsocketKeyValueClient(URI endpointUri, Properties properties) {
super(endpointUri, properties);
backlog = new Backlog<>(this::storeValues);
}
protected Awaitable storeValues(List keyValuePairs) {
return send(new StoreValues(keyValuePairs));
}
@Override
public Awaitable putValue(String key, Data value, Guarantee guarantee) {
switch (guarantee) {
case NONE:
backlog.add(new KeyValuePair(key, value));
return Awaitable.ready();
case SENT:
return backlog.add(new KeyValuePair(key, value));
case STORED:
sendRequestAndWait(new StoreValuesAndWait(singletonList(new KeyValuePair(key, value))));
return Awaitable.ready();
default:
throw new UnsupportedOperationException("Unrecognized guarantee: " + guarantee);
}
}
@Override
public CompletableFuture putValueIfAbsent(String key, Data value) {
return sendRequest(new StoreValueIfAbsent(new KeyValuePair(key, value)))
.thenApply(r -> ((BooleanResult) r).isSuccess());
}
@Override
public Data getValue(String key) {
GetValueResult result = sendRequestAndWait(new GetValue(key));
return result.getValue();
}
@Override
public Awaitable deleteValue(String key) {
return send(new DeleteValue(key));
}
}