1 files changed, 118 insertions, 0 deletions
diff --git a/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.buddies.common/src/org/eclipse/net4j/buddies/internal/common/Membership.java b/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.buddies.common/src/org/eclipse/net4j/buddies/internal/common/Membership.java
new file mode 100644
index 0000000000..e6315db3a4
--- /dev/null
+++ b/plugins/org.eclipse.net4j.examples.installer/examples/org.eclipse.net4j.buddies.common/src/org/eclipse/net4j/buddies/internal/common/Membership.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) 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:
+ *    Eike Stepper - initial API and implementation
+ */
+package org.eclipse.net4j.buddies.internal.common;
+
+import org.eclipse.net4j.buddies.common.IBuddy;
+import org.eclipse.net4j.buddies.common.ICollaboration;
+import org.eclipse.net4j.buddies.common.IMembership;
+import org.eclipse.net4j.buddies.common.IMembershipKey;
+import org.eclipse.net4j.util.ObjectUtil;
+import org.eclipse.net4j.util.lifecycle.Lifecycle;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.PlatformObject;
+
+/**
+ * @author Eike Stepper
+ */
+public class Membership extends Lifecycle implements IMembership
+{
+  private MembershipKey key;
+
+  private long startTime;
+
+  private transient Object[] elements;
+
+  private Membership(IBuddy buddy, ICollaboration collaboration)
+  {
+    key = new MembershipKey(buddy, collaboration);
+    elements = new Object[] { buddy, collaboration };
+    startTime = System.currentTimeMillis();
+    activate();
+  }
+
+  public IBuddy getBuddy()
+  {
+    return key.getBuddy();
+  }
+
+  public ICollaboration getCollaboration()
+  {
+    return key.getCollaboration();
+  }
+
+  public long getStartTime()
+  {
+    return startTime;
+  }
+
+  public Object[] getElements()
+  {
+    return elements;
+  }
+
+  public boolean isEmpty()
+  {
+    return false;
+  }
+
+  public MembershipKey getKey()
+  {
+    return key;
+  }
+
+  /**
+   * @see PlatformObject#getAdapter(Class)
+   */
+  @SuppressWarnings("rawtypes")
+  public Object getAdapter(Class adapter)
+  {
+    return Platform.getAdapterManager().getAdapter(this, adapter);
+  }
+
+  @Override
+  public boolean equals(Object obj)
+  {
+    if (obj == this)
+    {
+      return true;
+    }
+
+    if (obj instanceof IMembershipKey)
+    {
+      IMembershipKey key = (IMembershipKey)obj;
+      return ObjectUtil.equals(getBuddy(), key.getBuddy())
+          && ObjectUtil.equals(getCollaboration(), key.getCollaboration());
+    }
+
+    return false;
+  }
+
+  @Override
+  public int hashCode()
+  {
+    return key.hashCode();
+  }
+
+  @Override
+  public String toString()
+  {
+    return key.toString();
+  }
+
+  public static IMembership create(IBuddy buddy, ICollaboration collaboration)
+  {
+    Membership membership = new Membership(buddy, collaboration);
+    ((Buddy)buddy).addMembership(membership);
+    ((Collaboration)collaboration).addMembership(membership);
+    return membership;
+  }
+}