| /* |
| * 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.geode.cache.client.internal; |
| |
| |
| import org.apache.geode.cache.query.SelectResults; |
| import org.apache.geode.distributed.internal.ServerLocation; |
| |
| /** |
| * Used to send operations from a client to a server. |
| * |
| * @since GemFire 5.7 |
| */ |
| public class ServerProxy { |
| protected final InternalPool pool; |
| |
| /** |
| * Creates a server proxy for the given pool. |
| * |
| * @param pool the pool that this proxy will use to communicate with servers |
| */ |
| public ServerProxy(InternalPool pool) { |
| this.pool = pool; |
| } |
| |
| /** |
| * Returns the pool the proxy is using. |
| */ |
| public InternalPool getPool() { |
| return this.pool; |
| } |
| |
| /** |
| * Release use of this pool |
| */ |
| public void detach() { |
| this.pool.detach(); |
| } |
| |
| /** |
| * Ping the specified server to see if it is still alive |
| * |
| * @param server the server to do the execution on |
| */ |
| public void ping(ServerLocation server) { |
| PingOp.execute(this.pool, server); |
| } |
| |
| /** |
| * Does a query on a server |
| * |
| * @param queryPredicate A query language boolean query predicate |
| * @return A <code>SelectResults</code> containing the values that match the |
| * <code>queryPredicate</code>. |
| */ |
| public SelectResults query(String queryPredicate, Object[] queryParams) { |
| return QueryOp.execute(this.pool, queryPredicate, queryParams); |
| } |
| |
| } |