| /* |
| * 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. |
| */ |
| |
| package org.apache.flink.streaming.connectors.cassandra; |
| |
| import org.apache.flink.util.Preconditions; |
| |
| import java.io.Serializable; |
| import java.time.Duration; |
| |
| /** |
| * Configuration for {@link CassandraSinkBase}. |
| */ |
| public final class CassandraSinkBaseConfig implements Serializable { |
| // ------------------------ Default Configurations ------------------------ |
| |
| /** |
| * The default maximum number of concurrent requests. By default, {@code Integer.MAX_VALUE}. |
| */ |
| public static final int DEFAULT_MAX_CONCURRENT_REQUESTS = Integer.MAX_VALUE; |
| |
| /** |
| * The default timeout duration when acquiring a permit to execute. By default, {@code Long.MAX_VALUE}. |
| */ |
| public static final Duration DEFAULT_MAX_CONCURRENT_REQUESTS_TIMEOUT = Duration.ofMillis(Long.MAX_VALUE); |
| |
| // ------------------------- Configuration Fields ------------------------- |
| |
| /** Maximum number of concurrent requests allowed. */ |
| private final int maxConcurrentRequests; |
| |
| /** Timeout duration when acquiring a permit to execute. */ |
| private final Duration maxConcurrentRequestsTimeout; |
| |
| private CassandraSinkBaseConfig( |
| int maxConcurrentRequests, |
| Duration maxConcurrentRequestsTimeout) { |
| Preconditions.checkArgument(maxConcurrentRequests > 0, |
| "Max concurrent requests is expected to be positive"); |
| Preconditions.checkNotNull(maxConcurrentRequestsTimeout, |
| "Max concurrent requests timeout cannot be null"); |
| Preconditions.checkArgument(!maxConcurrentRequestsTimeout.isNegative(), |
| "Max concurrent requests timeout is expected to be positive"); |
| this.maxConcurrentRequests = maxConcurrentRequests; |
| this.maxConcurrentRequestsTimeout = maxConcurrentRequestsTimeout; |
| } |
| |
| public int getMaxConcurrentRequests() { |
| return maxConcurrentRequests; |
| } |
| |
| public Duration getMaxConcurrentRequestsTimeout() { |
| return maxConcurrentRequestsTimeout; |
| } |
| |
| @Override |
| public String toString() { |
| return "CassandraSinkBaseConfig{" + |
| "maxConcurrentRequests=" + maxConcurrentRequests + |
| ", maxConcurrentRequestsTimeout=" + maxConcurrentRequestsTimeout + |
| '}'; |
| } |
| |
| public static Builder newBuilder() { |
| return new Builder(); |
| } |
| |
| /** |
| * Builder for the {@link CassandraSinkBaseConfig}. |
| */ |
| public static class Builder { |
| private int maxConcurrentRequests = DEFAULT_MAX_CONCURRENT_REQUESTS; |
| private Duration maxConcurrentRequestsTimeout = DEFAULT_MAX_CONCURRENT_REQUESTS_TIMEOUT; |
| |
| Builder() { } |
| |
| public Builder setMaxConcurrentRequests(int maxConcurrentRequests) { |
| this.maxConcurrentRequests = maxConcurrentRequests; |
| return this; |
| } |
| |
| public Builder setMaxConcurrentRequestsTimeout(Duration timeout) { |
| this.maxConcurrentRequestsTimeout = timeout; |
| return this; |
| } |
| |
| public CassandraSinkBaseConfig build() { |
| return new CassandraSinkBaseConfig( |
| maxConcurrentRequests, |
| maxConcurrentRequestsTimeout); |
| } |
| } |
| } |