1 files changed, 64 insertions, 0 deletions
diff --git a/org.eclipse.jdt.core.tests.builder/src/org/eclipse/jdt/core/tests/builder/TimeStampBuilder.java b/org.eclipse.jdt.core.tests.builder/src/org/eclipse/jdt/core/tests/builder/TimeStampBuilder.java
new file mode 100644
index 0000000000..48fb76554f
--- /dev/null
+++ b/org.eclipse.jdt.core.tests.builder/src/org/eclipse/jdt/core/tests/builder/TimeStampBuilder.java
@@ -0,0 +1,64 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Red Hat Inc. and others.
+ * 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:
+ *     Mickael Istria (Red Hat Inc.) - Initial implementation
+ *******************************************************************************/
+package org.eclipse.jdt.core.tests.builder;
+
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IncrementalProjectBuilder;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.jobs.ISchedulingRule;
+
+public class TimeStampBuilder extends IncrementalProjectBuilder {
+
+	public static final String ID = TimeStampBuilder.class.getName();
+	public static final String PAUSE_DURATION = "pauseDuration";
+	private static final Map<IProject, Long> starts = Collections.synchronizedMap(new HashMap<>());
+	private static final Map<IProject, Long> ends = Collections.synchronizedMap(new HashMap<>());
+
+	@Override
+	protected IProject[] build(int kind, Map<String, String> args, IProgressMonitor monitor) throws CoreException {
+		starts.put(getProject(), Long.valueOf(System.currentTimeMillis()));
+		try {
+			int pauseDuration = 1000;
+			if (args.containsKey(PAUSE_DURATION)) {
+				pauseDuration = Integer.parseInt(args.get(PAUSE_DURATION));
+			}
+			Thread.sleep(pauseDuration);
+			ends.put(getProject(), Long.valueOf(System.currentTimeMillis()));
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
+		return new IProject[0];
+	}
+
+	@Override
+	public ISchedulingRule getRule(int kind, Map<String, String> args) {
+		return null;
+	}
+
+	public static long end(IProject project) throws CoreException {
+		return ends.get(project).longValue();
+	}
+
+	public static long start(IProject project) throws CoreException {
+		return starts.get(project).longValue();
+	}
+
+	public static void clear() {
+		starts.clear();
+		ends.clear();
+	}
+
+}