org.apache.rocketmq.client.java.impl.consumer.PushSubscriptionSettings Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
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package org.apache.rocketmq.client.java.impl.consumer;
import apache.rocketmq.v2.FilterType;
import apache.rocketmq.v2.RetryPolicy;
import apache.rocketmq.v2.Subscription;
import apache.rocketmq.v2.SubscriptionEntry;
import org.apache.rocketmq.shaded.com.google.common.base.MoreObjects;
import org.apache.rocketmq.shaded.com.google.protobuf.util.Durations;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import org.apache.rocketmq.client.apis.consumer.FilterExpression;
import org.apache.rocketmq.client.apis.consumer.FilterExpressionType;
import org.apache.rocketmq.client.java.impl.ClientType;
import org.apache.rocketmq.client.java.impl.Settings;
import org.apache.rocketmq.client.java.impl.UserAgent;
import org.apache.rocketmq.client.java.message.protocol.Resource;
import org.apache.rocketmq.client.java.misc.ClientId;
import org.apache.rocketmq.client.java.retry.CustomizedBackoffRetryPolicy;
import org.apache.rocketmq.client.java.retry.ExponentialBackoffRetryPolicy;
import org.apache.rocketmq.client.java.route.Endpoints;
import org.apache.rocketmq.shaded.org.slf4j.Logger;
import org.apache.rocketmq.shaded.org.slf4j.LoggerFactory;
public class PushSubscriptionSettings extends Settings {
private static final Logger log = LoggerFactory.getLogger(PushSubscriptionSettings.class);
private final Resource group;
private final Map subscriptionExpressions;
private volatile Boolean fifo = false;
private volatile int receiveBatchSize = 32;
private volatile Duration longPollingTimeout = Duration.ofSeconds(30);
public PushSubscriptionSettings(ClientId clientId, Endpoints endpoints, Resource group,
Duration requestTimeout, Map subscriptionExpression) {
super(clientId, ClientType.PUSH_CONSUMER, endpoints, requestTimeout);
this.group = group;
this.subscriptionExpressions = subscriptionExpression;
}
public boolean isFifo() {
return fifo;
}
public int getReceiveBatchSize() {
return receiveBatchSize;
}
public Duration getLongPollingTimeout() {
return longPollingTimeout;
}
@Override
public apache.rocketmq.v2.Settings toProtobuf() {
List subscriptionEntries = new ArrayList<>();
for (Map.Entry entry : subscriptionExpressions.entrySet()) {
final FilterExpression filterExpression = entry.getValue();
apache.rocketmq.v2.Resource topic =
apache.rocketmq.v2.Resource.newBuilder().setName(entry.getKey()).build();
final apache.rocketmq.v2.FilterExpression.Builder expressionBuilder =
apache.rocketmq.v2.FilterExpression.newBuilder().setExpression(filterExpression.getExpression());
final FilterExpressionType type = filterExpression.getFilterExpressionType();
switch (type) {
case TAG:
expressionBuilder.setType(FilterType.TAG);
break;
case SQL92:
expressionBuilder.setType(FilterType.SQL);
break;
default:
log.warn("[Bug] Unrecognized filter type, type={}", type);
}
SubscriptionEntry subscriptionEntry =
SubscriptionEntry.newBuilder().setTopic(topic).setExpression(expressionBuilder.build()).build();
subscriptionEntries.add(subscriptionEntry);
}
Subscription subscription =
Subscription.newBuilder().setGroup(group.toProtobuf()).addAllSubscriptions(subscriptionEntries).build();
return apache.rocketmq.v2.Settings.newBuilder().setAccessPoint(accessPoint.toProtobuf())
.setClientType(clientType.toProtobuf()).setRequestTimeout(Durations.fromNanos(requestTimeout.toNanos()))
.setSubscription(subscription).setUserAgent(UserAgent.INSTANCE.toProtoBuf()).build();
}
@Override
public void sync(apache.rocketmq.v2.Settings settings) {
final apache.rocketmq.v2.Settings.PubSubCase pubSubCase = settings.getPubSubCase();
if (!apache.rocketmq.v2.Settings.PubSubCase.SUBSCRIPTION.equals(pubSubCase)) {
log.error("[Bug] Issued settings not match with the client type, clientId={}, pubSubCase={}, "
+ "clientType={}", clientId, pubSubCase, clientType);
return;
}
final Subscription subscription = settings.getSubscription();
this.fifo = subscription.getFifo();
this.receiveBatchSize = subscription.getReceiveBatchSize();
this.longPollingTimeout = Duration.ofNanos(Durations.toNanos(subscription.getLongPollingTimeout()));
final RetryPolicy backoffPolicy = settings.getBackoffPolicy();
switch (backoffPolicy.getStrategyCase()) {
case EXPONENTIAL_BACKOFF:
retryPolicy = ExponentialBackoffRetryPolicy.fromProtobuf(backoffPolicy);
break;
case CUSTOMIZED_BACKOFF:
retryPolicy = CustomizedBackoffRetryPolicy.fromProtobuf(backoffPolicy);
break;
default:
throw new IllegalArgumentException("Unrecognized backoff policy strategy.");
}
}
@Override
public String toString() {
return MoreObjects.toStringHelper(this)
.add("clientId", clientId)
.add("clientType", clientType)
.add("accessPoint", accessPoint)
.add("retryPolicy", retryPolicy)
.add("requestTimeout", requestTimeout)
.add("group", group)
.add("subscriptionExpressions", subscriptionExpressions)
.add("fifo", fifo)
.add("receiveBatchSize", receiveBatchSize)
.add("longPollingTimeout", longPollingTimeout)
.toString();
}
}