/*
* 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 java.util.List;
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);
}
}