| /* | |
| * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. | |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
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| * This code is free software; you can redistribute it and/or modify it | |
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| * 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 | |
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| * 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 | |
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| */ | |
| /** | |
| * Defines the Service Provider Interface for pluggable JShell execution engines. | |
| * The JShell core tracks and compiles Snippets then sends them | |
| * (represented in a wrapper class) to the execution engine for loading, | |
| * and in the case of executable Snippets, execution. The JShell | |
| * implementation includes a default execution engine (currently a remote | |
| * process which is JDI controlled). By implementing the | |
| * {@link jdk.jshell.spi.ExecutionControl} interface and its generating class, | |
| * an implementation of the {@link jdk.jshell.spi.ExecutionControlProvider} | |
| * interface, and installing it with | |
| * {@link jdk.jshell.JShell.Builder#executionEngine(String)} | |
| * other execution engines can be used. Where the passed String is an | |
| * {@code ExecutionControl} spec. | |
| * <p> | |
| * The {@code ExecutionControl} spec is the {@code ExecutionControlProvider} | |
| * name optionally followed by a parameter specification. | |
| * The syntax of the spec is: | |
| * <pre> | |
| * spec := name : params | |
| * | name | |
| * name := identifier | |
| * params := param , params | |
| * | param | |
| * | | |
| * param := identifier ( value ) | |
| * </pre> | |
| * Where 'name' is the {@code ExecutionControlProvider} | |
| * {@linkplain ExecutionControlProvider#name() name}. | |
| * Where 'param' is a Map key from | |
| * {@link ExecutionControlProvider#defaultParameters()} and the parenthesized | |
| * value; See, for example, | |
| * {@link jdk.jshell.execution.JdiExecutionControlProvider}. | |
| * Where 'identifier' is a sequence of | |
| * {@linkplain java.lang.Character#isJavaIdentifierPart(char) | |
| * Java identifier part characters} from the Basic Multilingual Plane. | |
| * <p> | |
| * For example: | |
| * <ul> | |
| * <li>local</li> | |
| * <li>jdi:hostname(localhost)</li> | |
| * <li>failover:1(jdi),2(jdi:launch(true),timeout(3000)),3(local)</li> | |
| * </ul> | |
| * | |
| * @since 9 | |
| * @see jdk.jshell.execution for execution implementation support | |
| */ | |
| package jdk.jshell.spi; |