1 files changed, 61 insertions, 0 deletions
diff --git a/target_explorer/plugins/org.eclipse.tcf.te.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/IOperation.java b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/IOperation.java
new file mode 100644
index 000000000..99a5a4ed1
--- /dev/null
+++ b/target_explorer/plugins/org.eclipse.tcf.te.filesystem.core/src/org/eclipse/tcf/te/tcf/filesystem/core/interfaces/IOperation.java
@@ -0,0 +1,61 @@
+/*******************************************************************************
+ * Copyright (c) 2012 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.tcf.filesystem.core.interfaces;
+
+import java.lang.reflect.InvocationTargetException;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+/**
+ * A class that implement this interface represents an file system operation,
+ * which is an abstract of the action operated over files/folders.
+ */
+public interface IOperation {
+
+	/**
+	 * The algorithm of calculating the message digest of a file.
+	 */
+	public static final String MD_ALG = "MD5";  //$NON-NLS-1$
+
+    /**
+     * Runs this operation.  Progress should be reported to the given progress monitor.
+     * A request to cancel the operation should be honored and acknowledged
+     * by throwing <code>InterruptedException</code>.
+     *
+     * @param monitor the progress monitor to use to display progress and receive
+     *   requests for cancellation
+     * @exception InvocationTargetException if the run method must propagate a checked exception,
+     * 	it should wrap it inside an <code>InvocationTargetException</code>; runtime exceptions are automatically
+     *  wrapped in an <code>InvocationTargetException</code> by the calling context
+     * @exception InterruptedException if the operation detects a request to cancel,
+     *  using <code>IProgressMonitor.isCanceled()</code>, it should exit by throwing
+     *  <code>InterruptedException</code>
+     *
+     */
+    public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException;
+
+    /**
+     * Get the operation's name. This name will be used as the task name of
+     * the given monitor.
+     *
+     * @see IProgressMonitor#beginTask(String, int)
+     * @return The name of the operation.
+     */
+    public String getName();
+
+    /**
+     * Get the total amount of work which will used by the progress
+     * monitor to set the total work.
+     *
+     * @see IProgressMonitor#beginTask(String, int)
+     * @return The total amount of work or UNKNOWN if it is in-determinant
+     */
+    public int getTotalWork();
+}