NEW - bug 385127: [activity] define SPI for activity providers

https://bugs.eclipse.org/bugs/show_bug.cgi?id=385127

7 files changed, 191 insertions, 4 deletions

diff --git a/org.eclipse.mylyn.tasks.activity.core/META-INF/MANIFEST.MF b/org.eclipse.mylyn.tasks.activity.core/META-INF/MANIFEST.MF
index 0fe8f2f6d..229008ceb 100644
--- a/org.eclipse.mylyn.tasks.activity.core/META-INF/MANIFEST.MF
+++ b/org.eclipse.mylyn.tasks.activity.core/META-INF/MANIFEST.MF
@@ -9,4 +9,5 @@ Require-Bundle: org.eclipse.core.runtime,
  org.eclipse.mylyn.tasks.core;bundle-version="3.8.0"
 Bundle-Localization: plugin
 Export-Package: org.eclipse.mylyn.internal.tasks.activity.core;x-internal:=true,
- org.eclipse.mylyn.tasks.activity.core;x-internal:=true
+ org.eclipse.mylyn.tasks.activity.core;x-internal:=true,
+ org.eclipse.mylyn.tasks.activity.core.spi
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityManager.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityManager.java
index fc3664a1e..ecb278670 100644
--- a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityManager.java
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityManager.java
@@ -11,17 +11,41 @@
 
 package org.eclipse.mylyn.internal.tasks.activity.core;
 
+import java.util.Collection;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.eclipse.mylyn.tasks.activity.core.ActivityEvent;
 import org.eclipse.mylyn.tasks.activity.core.ActivityScope;
 import org.eclipse.mylyn.tasks.activity.core.IActivityManager;
 import org.eclipse.mylyn.tasks.activity.core.IActivityStream;
+import org.eclipse.mylyn.tasks.activity.core.spi.IActivitySession;
 
 /**
  * @author Steffen Pingel
  */
-public class ActivityManager implements IActivityManager {
+public class ActivityManager implements IActivityManager, IActivitySession {
+
+	private final Map<String, ActivityEvent> events;
+
+	public ActivityManager() {
+		this.events = new ConcurrentHashMap<String, ActivityEvent>();
+	}
+
+	public Collection<ActivityEvent> getEvents(ActivityScope scope) {
+		return events.values();
+	}
 
 	public IActivityStream getStream(ActivityScope scope) {
 		return new ActivityStream(this, scope);
 	}
 
+	public IActivityManager getManger() {
+		return this;
+	}
+
+	public void fireActivityEvent(ActivityEvent event) {
+		events.put(event.getHandle(), event);
+	}
+
 }
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityStream.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityStream.java
index 6535573cf..cf5a4210a 100644
--- a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityStream.java
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/ActivityStream.java
@@ -29,14 +29,19 @@ public class ActivityStream implements IActivityStream {
 
 	private final ActivityScope scope;
 
-	private final IActivityManager manager;
+	private final ActivityManager manager;
 
-	public ActivityStream(IActivityManager manager, ActivityScope scope) {
+	public ActivityStream(ActivityManager manager, ActivityScope scope) {
 		Assert.isNotNull(manager);
 		Assert.isNotNull(scope);
 		this.manager = manager;
 		this.scope = scope;
 		this.events = new CopyOnWriteArrayList<ActivityEvent>();
+		initialize();
+	}
+
+	private void initialize() {
+		events.addAll(manager.getEvents(scope));
 	}
 
 	public void addEvent(ActivityEvent event) {
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/TaskActivityProvider.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/TaskActivityProvider.java
new file mode 100644
index 000000000..faf89fb9f
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/internal/tasks/activity/core/TaskActivityProvider.java
@@ -0,0 +1,69 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.activity.core;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.mylyn.internal.tasks.core.TaskList;
+import org.eclipse.mylyn.tasks.activity.core.ActivityEvent;
+import org.eclipse.mylyn.tasks.activity.core.ActivityScope;
+import org.eclipse.mylyn.tasks.activity.core.TaskActivityScope;
+import org.eclipse.mylyn.tasks.activity.core.spi.ActivityProvider;
+import org.eclipse.mylyn.tasks.activity.core.spi.IActivitySession;
+import org.eclipse.mylyn.tasks.core.IRepositoryManager;
+import org.eclipse.mylyn.tasks.core.ITask;
+
+/**
+ * @author Steffen Pingel
+ */
+public class TaskActivityProvider extends ActivityProvider {
+
+	private static final String ID_PROVIDER = "org.eclipse.mylyn.tasks.activity.core.providers.TaskActivityProvider"; //$NON-NLS-1$
+
+	private IActivitySession session;
+
+	private final IRepositoryManager repositoryManager;
+
+	private final TaskList taskList;
+
+	public TaskActivityProvider(IRepositoryManager repositoryManager, TaskList taskList) {
+		Assert.isNotNull(repositoryManager);
+		Assert.isNotNull(taskList);
+		this.repositoryManager = repositoryManager;
+		this.taskList = taskList;
+	}
+
+	@Override
+	public void open(IActivitySession session) {
+		this.session = session;
+	}
+
+	@Override
+	public void query(ActivityScope scope, IProgressMonitor monitor) throws CoreException {
+		if (scope instanceof TaskActivityScope) {
+			ITask scopeTask = ((TaskActivityScope) scope).getTask();
+			for (ITask task : taskList.getAllTasks()) {
+				if (task.getSummary().contains(scopeTask.getTaskId())) {
+					ActivityEvent event = new ActivityEvent(task.getHandleIdentifier(), ID_PROVIDER, task.getSummary(),
+							task.getCreationDate(), null);
+					session.fireActivityEvent(event);
+				}
+			}
+		}
+	}
+
+	@Override
+	public void close() {
+	}
+
+}
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/TaskActivityScope.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/TaskActivityScope.java
new file mode 100644
index 000000000..f9e214580
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/TaskActivityScope.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.tasks.activity.core;
+
+import org.eclipse.mylyn.tasks.core.ITask;
+
+/**
+ * Defines the scope for a single task.
+ * 
+ * @author Steffen Pingel
+ */
+public class TaskActivityScope extends ActivityScope {
+
+	private final ITask task;
+
+	public TaskActivityScope(ITask task) {
+		this.task = task;
+	}
+
+	public ITask getTask() {
+		return task;
+	}
+
+}
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/ActivityProvider.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/ActivityProvider.java
new file mode 100644
index 000000000..12e276d8a
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/ActivityProvider.java
@@ -0,0 +1,29 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.tasks.activity.core.spi;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.mylyn.tasks.activity.core.ActivityScope;
+
+/**
+ * @author Steffen Pingel
+ */
+public abstract class ActivityProvider {
+
+	public abstract void open(IActivitySession session);
+
+	public abstract void query(ActivityScope scope, IProgressMonitor monitor) throws CoreException;
+
+	public abstract void close();
+
+}
diff --git a/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/IActivitySession.java b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/IActivitySession.java
new file mode 100644
index 000000000..0e570ce75
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.activity.core/src/org/eclipse/mylyn/tasks/activity/core/spi/IActivitySession.java
@@ -0,0 +1,26 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Tasktop Technologies 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:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.tasks.activity.core.spi;
+
+import org.eclipse.mylyn.tasks.activity.core.ActivityEvent;
+import org.eclipse.mylyn.tasks.activity.core.IActivityManager;
+
+/**
+ * @author Steffen Pingel
+ */
+public interface IActivitySession {
+
+	IActivityManager getManger();
+
+	void fireActivityEvent(ActivityEvent event);
+
+}