Java Lock類代碼示例

import javax.jcr.lock.Lock; //導入依賴的package包/類
private void unlockAllChildNodes(Node node,User user,List<Node> nodeList,String rootPath) throws Exception{
	NodeIterator iter=node.getNodes();
	while(iter.hasNext()){
		Node nextNode=iter.nextNode();
		String absPath=nextNode.getPath();
		if(!lockManager.isLocked(absPath)){
			continue;
		}
		Lock lock=lockManager.getLock(absPath);
		String owner=lock.getLockOwner();
		if(!user.getUsername().equals(owner)){
			throw new NodeLockException("當前目錄下有子目錄被其它人鎖定，您不能執行鎖定"+rootPath+"目錄");
		}
		nodeList.add(nextNode);
		unlockAllChildNodes(nextNode, user, nodeList, rootPath);
	}
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
@Override
public void unlockPath(String path,User user) throws Exception{
	path = processPath(path);
	int pos=path.indexOf(":");
	if(pos!=-1){
		path=path.substring(0,pos);
	}
	Node rootNode=getRootNode();
	if (!rootNode.hasNode(path)) {
		throw new RuleException("File [" + path + "] not exist.");
	}
	Node fileNode = rootNode.getNode(path);
	String absPath=fileNode.getPath();
	if(!lockManager.isLocked(absPath)){
		throw new NodeLockException("當前文件未鎖定，不需要解鎖!");
	}
	Lock lock=lockManager.getLock(absPath);
	String owner=lock.getLockOwner();
	if(!owner.equals(user.getUsername())){
		throw new NodeLockException("當前文件由【"+owner+"】鎖定，您無權解鎖!");
	}
	lockManager.unlock(lock.getNode().getPath());
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
@Override
public void lockPath(String path,User user) throws Exception{
	path = processPath(path);
	int pos=path.indexOf(":");
	if(pos!=-1){
		path=path.substring(0,pos);
	}
	Node rootNode=getRootNode();
	if (!rootNode.hasNode(path)) {
		throw new RuleException("File [" + path + "] not exist.");
	}
	Node fileNode = rootNode.getNode(path);
	String topAbsPath=fileNode.getPath();
	if(lockManager.isLocked(topAbsPath)){
		String owner=lockManager.getLock(topAbsPath).getLockOwner();
		throw new NodeLockException("【"+path+"】已被"+owner+"鎖定，您不能進行再次鎖定!");
	}
	List<Node> nodeList=new ArrayList<Node>();
	unlockAllChildNodes(fileNode, user, nodeList, path);
	for(Node node:nodeList){
		if(!lockManager.isLocked(node.getPath())){
			continue;
		}
		Lock lock=lockManager.getLock(node.getPath());
		lockManager.unlock(lock.getNode().getPath());
	}
	if(!fileNode.isNodeType(NodeType.MIX_LOCKABLE)){
		if (!fileNode.isCheckedOut()) {
			versionManager.checkout(fileNode.getPath());
		}
		fileNode.addMixin("mix:lockable");
		session.save();
	}
	lockManager.lock(topAbsPath, true, true, Long.MAX_VALUE, user.getUsername());				
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
@Override
public Lock lock(boolean isDeep, boolean isSessionScoped) throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, InvalidItemStateException, RepositoryException {
    throw new UnsupportedRepositoryOperationException();
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
@Override
public Lock getLock() throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, RepositoryException {
    throw new UnsupportedRepositoryOperationException();
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
public Lock lock(boolean b, boolean b1) throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, InvalidItemStateException, RepositoryException {
    return null;  //To change body of implemented methods use File | Settings | File Templates.
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
public Lock getLock() throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, RepositoryException {
    return null;  //To change body of implemented methods use File | Settings | File Templates.
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
private Map<String, Lock> getAllLocks() {
    return allLocks;
}
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
public Lock lock(boolean b, boolean b1) throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, InvalidItemStateException, RepositoryException {

        return registrySession.getWorkspace().getLockManager().lock(nodePath, b, b1, 10, this.getName());

    }
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
public Lock getLock() throws UnsupportedRepositoryOperationException, LockException, AccessDeniedException, RepositoryException {

        return registrySession.getWorkspace().getLockManager().getLock(nodePath);
    }
 

import javax.jcr.lock.Lock; //導入依賴的package包/類
public Lock getLock(String s) throws PathNotFoundException, LockException, AccessDeniedException, RepositoryException {

        return allLocks.get(s);
    }