1 files changed, 159 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/CheckedInChangeSet.java b/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/CheckedInChangeSet.java
new file mode 100644
index 000000000..bbabf4a6b
--- /dev/null
+++ b/bundles/org.eclipse.team.core/src/org/eclipse/team/internal/core/subscribers/CheckedInChangeSet.java
@@ -0,0 +1,159 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2017 IBM Corporation 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:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.team.internal.core.subscribers;
+
+import java.util.Date;
+
+import org.eclipse.core.resources.IResource;
+import org.eclipse.team.core.synchronize.SyncInfo;
+import org.eclipse.team.core.synchronize.SyncInfoTree;
+
+/**
+ * A checked-in change set represents a group of resource
+ * changes that were previously checked into a repository
+ * as a single logical change.
+ * <p>
+ * A previously checked-in set of changes may not apply directly
+ * to the local versions of the resources involved. However,
+ * a <code>SyncInfo</code> is still used to represent each change.
+ * The base and remote slots of the <code>SyncInfo</code> identify
+ * the state before and after the resources were checked-in.
+ * @since 3.1
+ */
+public abstract class CheckedInChangeSet extends ChangeSet {
+
+	private final SyncInfoTree set = new SyncInfoTree();
+
+    public abstract String getAuthor();
+
+    public abstract Date getDate();
+
+    /**
+     * Return the SyncInfoSet that contains the resources that belong to this change set.
+     * @return  the SyncInfoSet that contains the resources that belong to this change set
+     */
+    public SyncInfoTree getSyncInfoSet() {
+        return set;
+    }
+
+    /**
+     * Return the resources that are contained in this set.
+     * @return the resources that are contained in this set
+     */
+    @Override
+	public IResource[] getResources() {
+        return set.getResources();
+    }
+
+    /**
+     * Return whether the set contains any files.
+     * @return whether the set contains any files
+     */
+    @Override
+	public boolean isEmpty() {
+        return set.isEmpty();
+    }
+
+    /**
+     * Return true if the given file is included in this set.
+     * @param local a local file
+     * @return true if the given file is included in this set
+     */
+    @Override
+	public boolean contains(IResource local) {
+        return set.getSyncInfo(local) != null;
+    }
+
+    /**
+     * Add the resource to this set if it is modified
+     * w.r.t. the subscriber.
+     * @param info
+     */
+    public void add(SyncInfo info) {
+        if (isValidChange(info)) {
+            set.add(info);
+        }
+    }
+
+    /**
+     * Return whether the given sync info is a valid change
+     * and can be included in this set. This method is used
+     * by the <code>add</code> method to filter set additions.
+     * @param info a sync info
+     * @return whether the sync info is a valid member of this set
+     */
+    protected boolean isValidChange(SyncInfo info) {
+        return (info != null);
+    }
+
+    /**
+     * Add the resources to this set if they are modified
+     * w.r.t. the subscriber.
+     * @param infos the resources to be added.
+     */
+    public void add(SyncInfo[] infos) {
+       try {
+           set.beginInput();
+           for (int i = 0; i < infos.length; i++) {
+              SyncInfo info = infos[i];
+              add(info);
+           }
+       } finally {
+           set.endInput(null);
+       }
+    }
+
+    /**
+     * Remove the resource from the set.
+     * @param resource the resource to be removed
+     */
+    @Override
+	public void remove(IResource resource) {
+        if (contains(resource)) {
+            set.remove(resource);
+        }
+    }
+
+    /**
+     * Remove the resources from the set.
+     * @param resources the resources to be removed
+     */
+    @Override
+	public void remove(IResource[] resources) {
+        for (int i = 0; i < resources.length; i++) {
+            IResource resource = resources[i];
+            remove(resource);
+        }
+    }
+
+    /**
+     * Remove the resource and it's descendants to the given depth.
+     * @param resource the resource to be removed
+     * @param depth the depth of the removal (one of
+     * <code>IResource.DEPTH_ZERO, IResource.DEPTH_ONE, IResource.DEPTH_INFINITE)</code>
+     */
+    @Override
+	public void rootRemoved(IResource resource, int depth) {
+        SyncInfo[] infos = set.getSyncInfos(resource, depth);
+        if (infos.length > 0) {
+            IResource[] resources = new IResource[infos.length];
+            for (int i = 0; i < resources.length; i++) {
+                resources[i] = infos[i].getLocal();
+            }
+            set.removeAll(resources);
+        }
+    }
+
+    @Override
+	public boolean containsChildren(IResource resource, int depth) {
+    	return set.getSyncInfos(resource, depth).length > 0;
+    }
+}