Examples of org.neo4j.graphdb.NotFoundException

org.neo4j.graphdb.NotFoundException
This exception will be thrown if a request is made to a node, relationship or property that does not exist. As an example, using {@link GraphDatabaseService#getNodeById} passing in an id that does not existwill cause this exception to be thrown. {@link PropertyContainer#getProperty(String)} will also throw this exceptionif the given key does not exist.
Another scenario when this exception will be thrown is if one or more transactions keep a reference to a node or relationship that gets deleted in some other transaction. If the deleting transaction commits all other transactions having a reference to the deleted node or relationship will throw this exception when invoking any of the methods on the node or relationship. @see GraphDatabaseService


    private NodeRecord getNodeRecord( long id )
    {
        if ( id < 0 || id >= getNodeStore().getHighId() )
        {
            throw new NotFoundException( "id=" + id );
        }
        return getNodeStore().getRecord( id );
    }

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    private RelationshipRecord getRelationshipRecord( long id )
    {
        if ( id < 0 || id >= getRelationshipStore().getHighId() )
        {
            throw new NotFoundException( "id=" + id );
        }
        return getRelationshipStore().getRecord( id );
    }

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    }


    public Object getProperty( String key ) {
        Object value = getPropertyValue( key );
        if ( value == null ) {
            throw new NotFoundException( "'" + key + "' on " + this );
        }
        return value;
    }

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    private NodeRecord getNodeRecord( long id )
    {
        if ( id < 0 || id >= getNodeStore().getHighId() )
        {
            throw new NotFoundException( "id=" + id );
        }
        return getNodeStore().getRecord(id);
    }

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    private RelationshipRecord getRelationshipRecord( long id )
    {
        if ( id < 0 || id >= getRelationshipStore().getHighId() )
        {
            throw new NotFoundException( "id=" + id );
        }
        return getRelationshipStore().getRecord( id );
    }

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     */
    public static <T> T getSingle(Iterator<T> iterator, String notFoundMessage) {
        T result = getSingleOrNull(iterator);


        if (result == null) {
            throw new NotFoundException(notFoundMessage);
        }


        return result;
    }

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        if (iterator.hasNext()) {
            result = iterator.next();
        }


        if (result == null) {
            throw new NotFoundException(notFoundMessage);
        }


        return result;
    }

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     * {@inheritDoc}
     */
    @Override
    public Object getProperty(String key) {
        if (!hasProperty(key)) {
            throw new NotFoundException();
        }
        return batchInserter.getRelationshipProperties(id).get(key);
    }

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     * {@inheritDoc}
     */
    @Override
    public Object getProperty(String key) {
        if (!hasProperty(key)) {
            throw new NotFoundException("Snapshot of " + wrapped.toString() + " did not have a property with key " + key);
        }


        if (transactionData().hasBeenDeleted(wrapped)) {
            return transactionData().propertiesOfDeletedContainer(wrapped).get(key);
        }

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            return super.getModule(moduleId, clazz);
        } catch (NotFoundException e) {
            M module = timerDrivenModuleManager.getModule(moduleId, clazz);


            if (module == null) {
                throw new NotFoundException("No module of type " + clazz.getName() + " with ID " + moduleId + " has been registered");
            }


            return module;
        }
    }

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