Examples of org.apache.jackrabbit.mk.api.MicroKernelException

org.apache.jackrabbit.mk.api.MicroKernelException
Exception thrown by methods of the {@code MicroKernel} API

    public String merge(String branchRevisionId, String message)
            throws MicroKernelException {
        // TODO improve implementation if needed
        Revision revision = Revision.fromString(branchRevisionId);
        if (!revision.isBranch()) {
            throw new MicroKernelException("Not a branch: " + branchRevisionId);
        }
        try {
            return nodeStore.merge(revision, null).toString();
        } catch (CommitFailedException e) {
            throw new MicroKernelException(e.getMessage(), e);
        }
    }

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    public String reset(@Nonnull String branchRevisionId,
                        @Nonnull String ancestorRevisionId)
            throws MicroKernelException {
        Revision branch = Revision.fromString(branchRevisionId);
        if (!branch.isBranch()) {
            throw new MicroKernelException("Not a branch revision: " + branchRevisionId);
        }
        Revision ancestor = Revision.fromString(ancestorRevisionId);
        if (!ancestor.isBranch()) {
            throw new MicroKernelException("Not a branch revision: " + ancestorRevisionId);
        }
        return nodeStore.reset(branch, ancestor).toString();
    }

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    @Override
    public long getLength(String blobId) throws MicroKernelException {
        try {
            return nodeStore.getBlob(blobId).length();
        } catch (Exception e) {
            throw new MicroKernelException(e);
        }
    }

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    public int read(String blobId, long pos, byte[] buff, int off, int length)
            throws MicroKernelException {
        try {
            return nodeStore.getBlobStore().readBlob(blobId, pos, buff, off, length);
        } catch (Exception e) {
            throw new MicroKernelException(e);
        }
    }

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    @Override
    public String write(InputStream in) throws MicroKernelException {
        try {
            return nodeStore.getBlobStore().writeBlob(in);
        } catch (Exception e) {
            throw new MicroKernelException(e);
        }
    }

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                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    if (!nodeExists(sourcePath, baseRevId)) {
                        throw new MicroKernelException("Node not found: " + sourcePath + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.moveNode(sourcePath, targetPath);
                    nodeStore.moveNode(sourcePath, targetPath, commit);
                    break;
                }
                case '*': {
                    // TODO support copying nodes that were modified within this commit
                    t.read(':');
                    String sourcePath = path;
                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    if (!nodeExists(sourcePath, baseRevId)) {
                        throw new MicroKernelException("Node not found: " + sourcePath + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.copyNode(sourcePath, targetPath);
                    nodeStore.copyNode(sourcePath, targetPath, commit);
                    break;
                }
                default:
                    throw new MicroKernelException("token: " + (char) t.getTokenType());
            }
        }
    }

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        long start = start();
        try {
            WriteResult writeResult = dbCollection.remove(getByKeyQuery(key).get(), WriteConcern.SAFE);
            invalidateCache(collection, key);
            if (writeResult.getError() != null) {
                throw new MicroKernelException("Remove failed: " + writeResult.getError());
            }
        } finally {
            end("remove", start);
        }
    }

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            }
            T oldDoc = convertFromDBObject(collection, oldNode);
            applyToCache(collection, oldDoc, updateOp);
            return oldDoc;
        } catch (Exception e) {
            throw new MicroKernelException(e);
        } finally {
            lock.unlock();
            end("findAndModify", start);
        }
    }

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                }
            }
            try {
                WriteResult writeResult = dbCollection.update(query.get(), update, false, true, WriteConcern.SAFE);
                if (writeResult.getError() != null) {
                    throw new MicroKernelException("Update failed: " + writeResult.getError());
                }
                // update cache
                for (Entry<String, NodeDocument> entry : cachedDocs.entrySet()) {
                    Lock lock = getAndLock(entry.getKey());
                    try {
                        if (entry.getValue() == null) {
                            // make sure concurrently loaded document is invalidated
                            nodesCache.invalidate(entry.getKey());
                        } else {
                            applyToCache(Collection.NODES, entry.getValue(),
                                    new UpdateOp(entry.getKey(), updateOp));
                        }
                    } finally {
                        lock.unlock();
                    }
                }
            } catch (MongoException e) {
                throw new MicroKernelException(e);
            }
        } finally {
            end("update", start);
        }
    }

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    private KernelNodeState getRootState(String revision) {
        try {
            return cache.get(revision + "/");
        } catch (ExecutionException e) {
            throw new MicroKernelException(e);
        }
    }

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