| package org.eclipse.wst.common.internal.emfworkbench.edit; |
| |
| import org.eclipse.jem.internal.util.emf.workbench.nls.EMFWorkbenchResourceHandler; |
| import org.eclipse.wst.common.internal.emfworkbench.EMFWorkbenchEditResourceHandler; |
| |
| /** |
| * This is a readonly version of the editmodel access registry, only uses a weak hash dictionary, |
| * and because the access is read only, is less concerned with timing of access/release, and will be |
| * cleaned up on garbage collection if needed. |
| * |
| */ |
| public class ReadOnlyClientAccessRegistry extends ClientAccessRegistry { |
| |
| public ReadOnlyClientAccessRegistry() { |
| super(); |
| } |
| |
| public synchronized void access(Object accessorKey) { |
| if (!registry.containsKey(accessorKey)) { |
| this.registry.put(accessorKey, null); |
| } else |
| throw new ClientAccessRegistryException(EMFWorkbenchEditResourceHandler.getString("ClientAccessRegistry_ERROR_0"), accessorKey); //$NON-NLS-1$ |
| } |
| |
| public synchronized void release(Object accessorKey) { |
| |
| /* |
| * Error condition: Some one has been naughty and not released the resource |
| */ |
| if (this.registry.containsKey(accessorKey)) { |
| Snapshot snapshot = (Snapshot) this.registry.remove(accessorKey); |
| } else |
| complain(accessorKey); |
| } |
| |
| public void complain(Object accessorKey) { |
| |
| throw new ClientAccessRegistryException(EMFWorkbenchResourceHandler.getString("ClientAccessRegistry_ERROR_1"), accessorKey); //$NON-NLS-1$ |
| } |
| |
| } |
