1 files changed, 116 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/commands/AClassAggregationsCreateCommand.java b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/commands/AClassAggregationsCreateCommand.java
new file mode 100644
index 0000000000..229259b719
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.dawn.examples.acore.diagram/src/org/eclipse/emf/cdo/dawn/examples/acore/diagram/edit/commands/AClassAggregationsCreateCommand.java
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2004 - 2010 Eike Stepper (Berlin, Germany).
+ * 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:
+ *     Martin Fluegge - initial API and implementation
+ * 
+ */
+package org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.commands;
+
+import org.eclipse.core.commands.ExecutionException;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.emf.cdo.dawn.examples.acore.AClass;
+import org.eclipse.emf.cdo.dawn.examples.acore.diagram.edit.policies.AcoreBaseItemSemanticEditPolicy;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.gmf.runtime.common.core.command.CommandResult;
+import org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand;
+import org.eclipse.gmf.runtime.emf.type.core.requests.CreateRelationshipRequest;
+
+/**
+ * @generated
+ */
+public class AClassAggregationsCreateCommand extends EditElementCommand
+{
+
+  /**
+   * @generated
+   */
+  private final EObject source;
+
+  /**
+   * @generated
+   */
+  private final EObject target;
+
+  /**
+   * @generated
+   */
+  public AClassAggregationsCreateCommand(CreateRelationshipRequest request, EObject source, EObject target)
+  {
+    super(request.getLabel(), null, request);
+    this.source = source;
+    this.target = target;
+  }
+
+  /**
+   * @generated
+   */
+  public boolean canExecute()
+  {
+    if (source == null && target == null)
+    {
+      return false;
+    }
+    if (source != null && false == source instanceof AClass)
+    {
+      return false;
+    }
+    if (target != null && false == target instanceof AClass)
+    {
+      return false;
+    }
+    if (getSource() == null)
+    {
+      return true; // link creation is in progress; source is not defined yet
+    }
+    // target may be null here but it's possible to check constraint
+    return AcoreBaseItemSemanticEditPolicy.LinkConstraints.canCreateAClassAggregations_4004(getSource(), getTarget());
+  }
+
+  /**
+   * @generated
+   */
+  protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
+  {
+    if (!canExecute())
+    {
+      throw new ExecutionException("Invalid arguments in create link command"); //$NON-NLS-1$
+    }
+
+    if (getSource() != null && getTarget() != null)
+    {
+      getSource().getAggregations().add(getTarget());
+    }
+    return CommandResult.newOKCommandResult();
+
+  }
+
+  /**
+   * @generated
+   */
+  protected void setElementToEdit(EObject element)
+  {
+    throw new UnsupportedOperationException();
+  }
+
+  /**
+   * @generated
+   */
+  protected AClass getSource()
+  {
+    return (AClass)source;
+  }
+
+  /**
+   * @generated
+   */
+  protected AClass getTarget()
+  {
+    return (AClass)target;
+  }
+}