| // Copyright 2021 The Bazel Authors. All rights reserved. |
| // |
| // Licensed 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 com.google.devtools.build.lib.remote.grpc; |
| |
| import io.reactivex.rxjava3.core.Single; |
| import java.io.Closeable; |
| import java.io.IOException; |
| |
| /** |
| * A {@link ConnectionFactory} that apply connection pooling. Connections created by {@link |
| * ConnectionPool} will not be closed by {@link Connection#close()}, use {@link |
| * ConnectionPool#close()} instead to close all the connections in the pool. |
| * |
| * <p>Connections must be closed with {@link Connection#close()} in order to be reused later. |
| */ |
| public interface ConnectionPool extends ConnectionFactory, Closeable { |
| /** |
| * Reuses a {@link Connection} in the pool and will potentially create a new connection depends on |
| * implementation. |
| */ |
| @Override |
| Single<? extends Connection> create(); |
| |
| /** Closes the connection pool and closes all the underlying connections */ |
| @Override |
| void close() throws IOException; |
| } |