Java tutorial
/* * Licensed to ObjectStyle LLC under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ObjectStyle LLC 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 io.bootique.rabbitmq.client.connection; import com.fasterxml.jackson.annotation.JsonTypeInfo; import com.rabbitmq.client.Connection; import io.bootique.annotation.BQConfig; import io.bootique.annotation.BQConfigProperty; import io.bootique.config.PolymorphicConfiguration; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import java.io.IOException; import java.util.concurrent.TimeoutException; @BQConfig @JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property = "type") public abstract class ConnectionConfig implements PolymorphicConfiguration { private static final Logger LOGGER = LoggerFactory.getLogger(ConnectionConfig.class); private int requestedChannelMax; private int requestedFrameMax; private int requestedHeartbeat; private int connectionTimeout; private int handshakeTimeout; private int shutdownTimeout; private boolean automaticRecoveryEnabled; private boolean topologyRecovery; private long networkRecoveryInterval; protected abstract com.rabbitmq.client.ConnectionFactory createConnectionFactory(); public Connection createConnection(String connectionName) { com.rabbitmq.client.ConnectionFactory factory = createConnectionFactory(); factory.setRequestedChannelMax(requestedChannelMax); factory.setRequestedFrameMax(requestedFrameMax); factory.setRequestedHeartbeat(requestedHeartbeat); factory.setConnectionTimeout(connectionTimeout); factory.setHandshakeTimeout(handshakeTimeout); factory.setShutdownTimeout(shutdownTimeout); factory.setAutomaticRecoveryEnabled(automaticRecoveryEnabled); factory.setTopologyRecoveryEnabled(topologyRecovery); factory.setNetworkRecoveryInterval(networkRecoveryInterval); LOGGER.info("Creating RabbitMQ connection."); try { return factory.newConnection(); } catch (IOException | TimeoutException e) { throw new RuntimeException(String.format("Can't create connection \"%s\".", connectionName), e); } } @BQConfigProperty public void setRequestedChannelMax(int requestedChannelMax) { this.requestedChannelMax = requestedChannelMax; } @BQConfigProperty public void setRequestedFrameMax(int requestedFrameMax) { this.requestedFrameMax = requestedFrameMax; } @BQConfigProperty public void setRequestedHeartbeat(int requestedHeartbeat) { this.requestedHeartbeat = requestedHeartbeat; } @BQConfigProperty("Connection timeout in milliseconds.") public void setConnectionTimeout(int connectionTimeout) { this.connectionTimeout = connectionTimeout; } @BQConfigProperty("Handshake timeout in milliseconds.") public void setHandshakeTimeout(int handshakeTimeout) { this.handshakeTimeout = handshakeTimeout; } @BQConfigProperty("Shutdown timeout in milliseconds.") public void setShutdownTimeout(int shutdownTimeout) { this.shutdownTimeout = shutdownTimeout; } @BQConfigProperty public void setAutomaticRecoveryEnabled(boolean automaticRecoveryEnabled) { this.automaticRecoveryEnabled = automaticRecoveryEnabled; } @BQConfigProperty public void setTopologyRecovery(boolean topologyRecovery) { this.topologyRecovery = topologyRecovery; } @BQConfigProperty public void setNetworkRecoveryInterval(long networkRecoveryInterval) { this.networkRecoveryInterval = networkRecoveryInterval; } }