| /* |
| * 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.cassandra.sidecar.common; |
| |
| import java.net.InetSocketAddress; |
| |
| import com.datastax.driver.core.Metadata; |
| import com.datastax.driver.core.ResultSet; |
| import com.datastax.driver.core.SimpleStatement; |
| import com.datastax.driver.core.Statement; |
| |
| /** |
| * Core Cassandra Adapter interface |
| * For now, this is just a placeholder. We will most likely want to define the interface to returns bits such as |
| * compaction(), clusterMembership(), etc., which return interfaces such as Compaction, ClusterMembership. |
| * We will need different implementations due to the slow move away from JMX towards CQL for some, but not all, actions. |
| */ |
| public interface ICassandraAdapter |
| { |
| /** |
| * @return metadata on the connected cluster, including known nodes and schema definitions |
| */ |
| Metadata metadata(); |
| |
| /** |
| * The {@link NodeSettings} for this instance. |
| * @return the {@link NodeSettings} instance for this instance. |
| */ |
| NodeSettings nodeSettings(); |
| |
| /** |
| * Execute the provided query on the locally-managed Cassandra instance |
| * @param query the query to execute |
| * @return the {@link ResultSet} |
| */ |
| default ResultSet executeLocal(String query) |
| { |
| return executeLocal(new SimpleStatement(query)); |
| } |
| |
| /** |
| * Execute the provided statement on the locally-managed Cassandra instance |
| * @param statement the statement to execute |
| * @return the {@link ResultSet} |
| */ |
| ResultSet executeLocal(Statement statement); |
| |
| /** |
| * The address on which the local instance is listening for CQL connections |
| * @return the {@link InetSocketAddress} representing the local address and port. |
| */ |
| InetSocketAddress localNativeTransportPort(); |
| |
| /** |
| * @return the {@link StorageOperations} implementation for the Cassandra cluster |
| */ |
| StorageOperations storageOperations(); |
| |
| /** |
| * @return the {@link ClusterMembershipOperations} implementation for handling cluster membership operations |
| */ |
| ClusterMembershipOperations clusterMembershipOperations(); |
| |
| /** |
| * @return the {@link TableOperations} implementation for the Cassandra cluster |
| */ |
| TableOperations tableOperations(); |
| } |