Examples with PropertyBlock org.neo4j.kernel.impl.nioneo.store.PropertyBlock used on opensource projects

Example 11 with PropertyBlock

use of org.neo4j.kernel.impl.nioneo.store.PropertyBlock in project neo4j-mobile-android by neo4j-contrib.

the class WriteTransaction method doRollback.

@Override
public void doRollback() throws XAException {
    if (committed) {
        throw new XAException("Cannot rollback partialy commited " + "transaction[" + getIdentifier() + "]. Recover and " + "commit");
    }
    try {
        for (RelationshipTypeRecord record : relTypeRecords.values()) {
            if (record.isCreated()) {
                getRelationshipTypeStore().freeId(record.getId());
                for (DynamicRecord dynamicRecord : record.getTypeRecords()) {
                    if (dynamicRecord.isCreated()) {
                        getRelationshipTypeStore().freeBlockId((int) dynamicRecord.getId());
                    }
                }
            }
            removeRelationshipTypeFromCache(record.getId());
        }
        for (NodeRecord record : nodeRecords.values()) {
            if (record.isCreated()) {
                getNodeStore().freeId(record.getId());
            }
            removeNodeFromCache(record.getId());
        }
        for (RelationshipRecord record : relRecords.values()) {
            if (record.isCreated()) {
                getRelationshipStore().freeId(record.getId());
            }
            removeRelationshipFromCache(record.getId());
        }
        for (PropertyIndexRecord record : propIndexRecords.values()) {
            if (record.isCreated()) {
                getPropertyStore().getIndexStore().freeId(record.getId());
                for (DynamicRecord dynamicRecord : record.getKeyRecords()) {
                    if (dynamicRecord.isCreated()) {
                        getPropertyStore().getIndexStore().freeBlockId((int) dynamicRecord.getId());
                    }
                }
            }
        }
        for (PropertyRecord record : propertyRecords.values()) {
            if (record.getNodeId() != -1) {
                removeNodeFromCache(record.getNodeId());
            } else if (record.getRelId() != -1) {
                removeRelationshipFromCache(record.getRelId());
            }
            if (record.isCreated()) {
                getPropertyStore().freeId(record.getId());
                for (PropertyBlock block : record.getPropertyBlocks()) {
                    for (DynamicRecord dynamicRecord : block.getValueRecords()) {
                        if (dynamicRecord.isCreated()) {
                            if (dynamicRecord.getType() == PropertyType.STRING.intValue()) {
                                getPropertyStore().freeStringBlockId(dynamicRecord.getId());
                            } else if (dynamicRecord.getType() == PropertyType.ARRAY.intValue()) {
                                getPropertyStore().freeArrayBlockId(dynamicRecord.getId());
                            } else {
                                throw new InvalidRecordException("Unknown type on " + dynamicRecord);
                            }
                        }
                    }
                }
            }
        }
    } finally {
        nodeRecords.clear();
        propertyRecords.clear();
        relRecords.clear();
        relTypeRecords.clear();
        propIndexRecords.clear();
        nodeCommands.clear();
        propCommands.clear();
        propIndexCommands.clear();
        relCommands.clear();
        relTypeCommands.clear();
    }
}

Example 12 with PropertyBlock

use of org.neo4j.kernel.impl.nioneo.store.PropertyBlock in project neo4j-mobile-android by neo4j-contrib.

the class ReadTransaction method loadPropertyValue.

@Override
public Object loadPropertyValue(PropertyData property) {
    PropertyRecord propertyRecord = getPropertyStore().getRecord(property.getId());
    PropertyBlock propertyBlock = propertyRecord.getPropertyBlock(property.getIndex());
    if (propertyBlock.isLight()) {
        getPropertyStore().makeHeavy(propertyBlock);
    }
    return propertyBlock.getType().getValue(propertyBlock, getPropertyStore());
}

Example 13 with PropertyBlock

use of org.neo4j.kernel.impl.nioneo.store.PropertyBlock in project neo4j-mobile-android by neo4j-contrib.

the class WriteTransaction method getAndDeletePropertyChain.

private ArrayMap<Integer, PropertyData> getAndDeletePropertyChain(long startingAt) {
    ArrayMap<Integer, PropertyData> result = new ArrayMap<Integer, PropertyData>(9, false, true);
    long nextProp = startingAt;
    while (nextProp != Record.NO_NEXT_PROPERTY.intValue()) {
        PropertyRecord propRecord = getPropertyRecord(nextProp, false, true);
        if (!propRecord.isCreated() && propRecord.isChanged()) {
            // Being here means a new value could be on disk. Re-read
            propRecord = getPropertyStore().getRecord(propRecord.getId());
        }
        for (PropertyBlock block : propRecord.getPropertyBlocks()) {
            if (block.isLight()) {
                getPropertyStore().makeHeavy(block);
            }
            if (!block.isCreated() && !propRecord.isChanged()) {
                result.put(block.getKeyIndexId(), block.newPropertyData(propRecord, propertyGetValueOrNull(block)));
            }
            // TODO: update count on property index record
            for (DynamicRecord valueRecord : block.getValueRecords()) {
                assert valueRecord.inUse();
                valueRecord.setInUse(false);
                propRecord.addDeletedRecord(valueRecord);
            }
        }
        nextProp = propRecord.getNextProp();
        propRecord.setInUse(false);
        propRecord.setChanged();
        // We do not remove them individually, but all together here
        propRecord.getPropertyBlocks().clear();
    }
    return result;
}

Example 14 with PropertyBlock

use of org.neo4j.kernel.impl.nioneo.store.PropertyBlock in project neo4j-mobile-android by neo4j-contrib.

the class WriteTransaction method nodeRemoveProperty.

@Override
public void nodeRemoveProperty(long nodeId, PropertyData propertyData) {
    long propertyId = propertyData.getId();
    NodeRecord nodeRecord = getNodeRecord(nodeId);
    if (nodeRecord == null) {
        nodeRecord = getNodeStore().getRecord(nodeId);
        addNodeRecord(nodeRecord);
    }
    if (!nodeRecord.inUse()) {
        throw new IllegalStateException("Property remove on node[" + nodeId + "] illegal since it has been deleted.");
    }
    assert assertPropertyChain(nodeRecord);
    PropertyRecord propRecord = getPropertyRecord(propertyId, false, true);
    if (!propRecord.inUse()) {
        throw new IllegalStateException("Unable to delete property[" + propertyId + "] since it is already deleted.");
    }
    propRecord.setNodeId(nodeId);
    PropertyBlock block = propRecord.removePropertyBlock(propertyData.getIndex());
    if (block == null) {
        throw new IllegalStateException("Property with index[" + propertyData.getIndex() + "] is not present in property[" + propertyId + "]");
    }
    if (block.isLight()) {
        getPropertyStore().makeHeavy(block);
    }
    for (DynamicRecord valueRecord : block.getValueRecords()) {
        assert valueRecord.inUse();
        valueRecord.setInUse(false, block.getType().intValue());
        propRecord.addDeletedRecord(valueRecord);
    }
    // propRecord.removeBlock( propertyData.getIndex() );
    if (propRecord.size() > 0) {
        /*
             * There are remaining blocks in the record. We do not unlink yet.
             */
        propRecord.setChanged();
        assert assertPropertyChain(nodeRecord);
        return;
    } else {
        if (unlinkPropertyRecord(propRecord, nodeRecord)) {
            addNodeRecord(nodeRecord);
        }
    }
}