Examples of org.apache.jackrabbit.mk.model.Id

org.apache.jackrabbit.mk.model.Id
Represents an internal identifier, uniquely identifying a {@link Node} or a {@link Commit}.
This implementation aims at minimizing the in-memory footprint of an identifier instance. therefore it doesn't cache e.g. the hashCode or the string representation.
Important Note:
An {@link Id} is considered immutable. The {@code byte[]}passed to {@link Id#Id(byte[])} must not be reused or modified, the sameapplies for the {@code byte[]} returned by {@link Id#getBytes()}.

            byte[] rawId = null;
            if (rs.next()) {
                rawId = rs.getBytes(1);
            }
            stmt.close();
            return rawId == null ? null : new Id(rawId); 
        } finally {
            con.close();
        }
    }

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            con.close();
        }
    }


    public void readNode(StoredNode node) throws NotFoundException, Exception {
        Id id = node.getId();
        Connection con = cp.getConnection();
        try {
            PreparedStatement stmt = con.prepareStatement("select DATA from REVS where ID = ?");
            try {
                stmt.setBytes(1, id.getBytes());
                ResultSet rs = stmt.executeQuery();
                if (rs.next()) {
                    ByteArrayInputStream in = new ByteArrayInputStream(rs.getBytes(1));
                    node.deserialize(new BinaryBinding(in));
                } else {
                    throw new NotFoundException(id.toString());
                }
            } finally {
                stmt.close();
            }
        } finally {

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                stmt.close();
            }
        } finally {
            con.close();
        }
        return new Id(rawId);
    }

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                stmt.close();
            }
        } finally {
            con.close();
        }
        return new Id(rawId);
    }

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    public Id readHead() throws Exception {
        DBObject entry = db.getCollection(HEAD_COLLECTION).findOne();
        if (entry == null) {
            return null;
        }
        return new Id((byte[]) entry.get(ID_FIELD));
    }

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        // capped collection of size 1
        db.getCollection(HEAD_COLLECTION).insert(new BasicDBObject(ID_FIELD, id.getBytes()));
    }


    public void readNode(StoredNode node) throws NotFoundException, Exception {
        Id id = node.getId();
        BasicDBObject key = new BasicDBObject();
        if (BINARY_FORMAT) {
            key.put(ID_FIELD, id.getBytes());
        } else {
            key.put(ID_FIELD, id.toString());
        }
        final BasicDBObject nodeObject = (BasicDBObject) nodes.findOne(key);
        if (nodeObject != null) {
            Binding binding;
            if (BINARY_FORMAT) {
                byte[] bytes = (byte[]) nodeObject.get(DATA_FIELD);
                binding = new BinaryBinding(new ByteArrayInputStream(bytes));
            } else {
                binding = new DBObjectBinding(nodeObject);
            }
            node.deserialize(binding);
        } else {
            throw new NotFoundException(id.toString());
        }
    }

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    public Id writeNode(Node node) throws Exception {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        node.serialize(new BinaryBinding(out));
        byte[] bytes = out.toByteArray();
        Id id = new Id(idFactory.createContentId(bytes));


        BasicDBObject nodeObject;
        if (BINARY_FORMAT) {
            nodeObject = new BasicDBObject(ID_FIELD, id.getBytes()).append(DATA_FIELD, bytes);
        } else {
            nodeObject = new BasicDBObject(ID_FIELD, id.toString());
            node.serialize(new DBObjectBinding(nodeObject));
        }
        try {
            nodes.insert(nodeObject);
        } catch (MongoException.DuplicateKey ignore) {

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    public Id writeCNEMap(ChildNodeEntriesMap map) throws Exception {
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        map.serialize(new BinaryBinding(out));
        byte[] bytes = out.toByteArray();
        Id id = new Id(idFactory.createContentId(bytes));


        BasicDBObject mapObject;
        if (BINARY_FORMAT) {
            mapObject = new BasicDBObject(ID_FIELD, id.getBytes()).append(DATA_FIELD, bytes);
        } else {
            mapObject = new BasicDBObject(ID_FIELD, id.toString());
            map.serialize(new DBObjectBinding(mapObject));
        }
        try {
            cneMaps.insert(mapObject);
        } catch (MongoException.DuplicateKey ignore) {

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    }


    @Test
    public void testOldNodeIsSwept() throws Exception {
        MutableNode node = new MutableNode(null, "/");
        Id id = pm.writeNode(node);


        Thread.sleep(1);
        pm.start();
        pm.sweep();

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    }


    @Test
    public void testMarkedNodeIsNotSwept() throws Exception {
        MutableNode node = new MutableNode(null, "/");
        Id id = pm.writeNode(node);


        // small delay needed
        Thread.sleep(100);
        
        pm.start();

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