1 files changed, 89 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.core/src/org/eclipse/tcf/te/core/async/AbstractAsyncExecutableStepperJob.java b/target_explorer/plugins/org.eclipse.tcf.te.core/src/org/eclipse/tcf/te/core/async/AbstractAsyncExecutableStepperJob.java
new file mode 100644
index 000000000..6f1d901a6
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.core/src/org/eclipse/tcf/te/core/async/AbstractAsyncExecutableStepperJob.java
@@ -0,0 +1,89 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Wind River Systems, 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:
+ * Wind River Systems - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.tcf.te.core.async;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.tcf.te.core.async.interfaces.IAsyncExecutable;
+import org.eclipse.tcf.te.runtime.callback.Callback;
+import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
+import org.eclipse.tcf.te.runtime.utils.ProgressHelper;
+
+/**
+ * Abstract asynchronous executable stepper job.
+ * <p>
+ * The job executes a list of actions. If any action returns with an error, the whole job will be
+ * aborted.
+ */
+public abstract class AbstractAsyncExecutableStepperJob extends AbstractAsyncExecutableJob {
+	private final IAsyncExecutable[] actions;
+
+	/**
+	 * Constructor.
+	 *
+	 * @param name The job name. Must not be <code>null</code>
+	 * @param actions The actions to execute. Must not be <code>null</code>.
+	 */
+	public AbstractAsyncExecutableStepperJob(String name, IAsyncExecutable[] actions) {
+		super(name);
+
+		Assert.isNotNull(actions);
+		this.actions = actions;
+	}
+
+	/**
+	 * Returns the actions to execute.
+	 *
+	 * @return The actions to execute.
+	 */
+	protected IAsyncExecutable[] getActions() {
+		return actions;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.tcf.te.core.async.AbstractAsyncExecutableJob#getJobTicks()
+	 */
+	@Override
+	protected int getJobTicks() {
+		return getActions().length * 100;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.tcf.te.core.async.AbstractAsyncExecutableJob#internalExecute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.tcf.te.runtime.interfaces.callback.ICallback)
+	 */
+	@Override
+	protected final void internalExecute(final IProgressMonitor monitor, final ICallback callback) {
+		if (getActions() == null || getActions().length == 0) {
+			callback.done(this, Status.OK_STATUS);
+		}
+		else {
+			ICallback stepCallback = new Callback() {
+				private int index = 0;
+
+				/* (non-Javadoc)
+				 * @see org.eclipse.tcf.te.runtime.callback.Callback#internalDone(java.lang.Object, org.eclipse.core.runtime.IStatus)
+				 */
+				@Override
+				protected void internalDone(Object caller, IStatus status) {
+					if (!ProgressHelper.isCancelOrError(caller, status, getProgressMonitor(), null) && index < getActions().length) {
+						setProperty(PROPERTY_IS_DONE, false);
+						getActions()[index++].execute(monitor, 100, this);
+					}
+					else {
+						callback.done(caller, status);
+					}
+				}
+			};
+			stepCallback.done(this, Status.OK_STATUS);
+		}
+	}
+}