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/*******************************************************************************
* Copyright (c) 2007 BEA Systems, Inc.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* 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");
}
}
}
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