| /******************************************************************************* |
| * Copyright (c) 2008, 2009 Martin Lippert 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: |
| * Martin Lippert initial implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.equinox.service.weaving; |
| |
| /** |
| * A CacheEntry represents an item that is read (or should have been read) from |
| * the cache. |
| * |
| * A cache entry is the primary communication item between the basic hook |
| * mechanism and the cache implementation. The cache can tell the hook to skip |
| * any weaving for the class (in the case the cache knows that the class don't |
| * need any weaving, e.g. no aspects affect this class) or to use the bytes that |
| * are read from the cache to define the class in the VM. |
| * |
| * @author Martin Lippert |
| */ |
| public class CacheEntry { |
| |
| private final byte[] cachedBytes; |
| |
| private final boolean dontWeave; |
| |
| /** |
| * Creates a new cache entry. This item can tell the basic hook mechanism to |
| * use the given cached bytes for the class definition or if the original |
| * class bytes needs weaving or not |
| * |
| * @param dontWeave A flag that indicates whether this item needs to be |
| * woven or not |
| * @param cachedBytes The bytes for the class read from the cache |
| */ |
| public CacheEntry(final boolean dontWeave, final byte[] cachedBytes) { |
| this.dontWeave = dontWeave; |
| this.cachedBytes = cachedBytes; |
| } |
| |
| /** |
| * Tell the hook mechanism to weave a class or not to weave a class |
| * |
| * @return true, if the class doesn't need any weaving, otherwise false |
| */ |
| public boolean dontWeave() { |
| return dontWeave; |
| } |
| |
| /** |
| * Returns the bytes that are read from the cache. These bytes should be |
| * used for defining the class instead of the original ones. |
| * |
| * @return The cached bytes for the class |
| */ |
| public byte[] getCachedBytes() { |
| return cachedBytes; |
| } |
| |
| } |