| /******************************************************************************* |
| * Copyright (c) 2007 BEA Systems, Inc. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * wharley@bea.com - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.apt.tests.annotations.pause; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import org.eclipse.jdt.apt.tests.annotations.BaseProcessor; |
| |
| import com.sun.mirror.apt.AnnotationProcessorEnvironment; |
| import com.sun.mirror.declaration.AnnotationTypeDeclaration; |
| import com.sun.mirror.declaration.Declaration; |
| |
| /** |
| * Used to test performance in the IDE. Processing @Pause |
| * causes the processor to pause for a defined interval. |
| */ |
| public class PauseAnnotationProcessor extends BaseProcessor { |
| |
| private final AnnotationTypeDeclaration _annotationDecl; |
| |
| public PauseAnnotationProcessor( |
| Set<AnnotationTypeDeclaration> decls, AnnotationProcessorEnvironment env) { |
| super(env); |
| assert decls.size() == 1; |
| _annotationDecl = decls.iterator().next(); |
| } |
| |
| /* (non-Javadoc) |
| * @see com.sun.mirror.apt.AnnotationProcessor#process() |
| */ |
| public void process() { |
| String phase = _env.getOptions().get("phase"); |
| Collection<Declaration> annotatedDecls = _env.getDeclarationsAnnotatedWith(_annotationDecl); |
| for (Declaration decl : annotatedDecls) { |
| Pause a = decl.getAnnotation(Pause.class); |
| int pause = a.value(); |
| System.out.println(phase + " pausing for " + pause + " to process " + decl.getSimpleName() + "..."); |
| // busy sleep |
| long end = System.currentTimeMillis() + pause; |
| while (System.currentTimeMillis() < end) |
| for (int i = 0; i < 100000; ++i) { |
| /* pausing */ |
| } |
| System.out.println(phase + " finished pausing"); |
| } |
| } |
| |
| } |