| /* |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package jdk.jshell.execution; |
| |
| import java.util.Map; |
| import jdk.jshell.spi.ExecutionControl; |
| import jdk.jshell.spi.ExecutionControlProvider; |
| import jdk.jshell.spi.ExecutionEnv; |
| |
| /** |
| * A provider of execution engines which run in the same process as JShell. |
| * |
| * @author Robert Field |
| * @since 9 |
| */ |
| public class LocalExecutionControlProvider implements ExecutionControlProvider{ |
| |
| /** |
| * Create an instance. An instance can be used to |
| * {@linkplain #generate generate} an {@link ExecutionControl} instance |
| * that executes code in the same process. |
| */ |
| public LocalExecutionControlProvider() { |
| } |
| |
| /** |
| * The unique name of this {@code ExecutionControlProvider}. |
| * |
| * @return "local" |
| */ |
| @Override |
| public String name() { |
| return "local"; |
| } |
| |
| /** |
| * Create and return the default parameter map for |
| * {@code LocalExecutionControlProvider}. |
| * {@code LocalExecutionControlProvider} has no parameters. |
| * |
| * @return an empty parameter map |
| */ |
| @Override |
| public Map<String,String> defaultParameters() { |
| return ExecutionControlProvider.super.defaultParameters(); |
| } |
| |
| /** |
| * Create and return a locally executing {@code ExecutionControl} instance. |
| * |
| * @param env the execution environment, provided by JShell |
| * @param parameters the {@linkplain #defaultParameters() default} or |
| * modified parameter map. |
| * @return the execution engine |
| */ |
| @Override |
| public ExecutionControl generate(ExecutionEnv env, Map<String, String> parameters) { |
| return new LocalExecutionControl(); |
| } |
| |
| } |