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Groovy example source code file (ThreadInterruptibleASTTransformation.groovy)
The Groovy ThreadInterruptibleASTTransformation.groovy source code/* * Copyright 2008-2010 the original author or authors. * * 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 org.codehaus.groovy.transform; import groovy.transform.ThreadInterrupt import org.codehaus.groovy.ast.ClassHelper import org.codehaus.groovy.ast.ClassNode import org.codehaus.groovy.ast.MethodNode import org.codehaus.groovy.ast.stmt.DoWhileStatement import org.codehaus.groovy.ast.stmt.ForStatement import org.codehaus.groovy.ast.stmt.WhileStatement import org.codehaus.groovy.control.CompilePhase import org.codehaus.groovy.ast.expr.* /** * Allows "interrupt-safe" executions of scripts by adding Thread.currentThread().isInterrupted() * checks on loops (for, while, do) and first statement of closures. By default, also adds an interrupt check * statement on the beginning of method calls. * * @see groovy.transform.ThreadInterrupt * * @author Cedric Champeau * @author Hamlet D'Arcy * * @since 1.8.0 */ @GroovyASTTransformation(phase = CompilePhase.CANONICALIZATION) public class ThreadInterruptibleASTTransformation extends AbstractInterruptibleASTTransformation { private static final ClassNode MY_TYPE = ClassHelper.make(ThreadInterrupt) protected ClassNode type() { return MY_TYPE; } protected String getErrorMessage() { 'Execution interrupted. The current thread has been interrupted.' } protected Expression createCondition() { new MethodCallExpression( new StaticMethodCallExpression(ClassHelper.make(Thread), 'currentThread', ArgumentListExpression.EMPTY_ARGUMENTS), 'isInterrupted', ArgumentListExpression.EMPTY_ARGUMENTS) } @Override public void visitClosureExpression(ClosureExpression closureExpr) { def code = closureExpr.code closureExpr.code = wrapBlock(code) super.visitClosureExpression closureExpr } @Override public void visitMethod(MethodNode node) { if (checkOnMethodStart && !node.isSynthetic() && !node.isAbstract()) { def code = node.code node.code = wrapBlock(code); } super.visitMethod(node) } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy ThreadInterruptibleASTTransformation.groovy source code file: |
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