Examples with DatabaseService org.structr.api.DatabaseService used on opensource projects

Example 1 with DatabaseService

use of org.structr.api.DatabaseService in project structr by structr.

the class SyncCommand method execute.

@Override
public void execute(final Map<String, Object> attributes) throws FrameworkException {
    DatabaseService graphDb = Services.getInstance().getService(NodeService.class).getGraphDb();
    String mode = (String) attributes.get("mode");
    String fileName = (String) attributes.get("file");
    String validate = (String) attributes.get("validate");
    String query = (String) attributes.get("query");
    Long batchSize = (Long) attributes.get("batchSize");
    boolean doValidation = true;
    // should we validate imported nodes?
    if (validate != null) {
        try {
            doValidation = Boolean.valueOf(validate);
        } catch (Throwable t) {
            logger.warn("Unable to parse value for validation flag: {}", t.getMessage());
        }
    }
    if (fileName == null) {
        throw new FrameworkException(400, "Please specify sync file.");
    }
    if ("export".equals(mode)) {
        exportToFile(graphDb, fileName, query, true);
    } else if ("exportDb".equals(mode)) {
        exportToFile(graphDb, fileName, query, false);
    } else if ("import".equals(mode)) {
        importFromFile(graphDb, securityContext, fileName, doValidation, batchSize);
    } else {
        throw new FrameworkException(400, "Please specify sync mode (import|export).");
    }
}

Example 2 with DatabaseService

use of org.structr.api.DatabaseService in project structr by structr.

the class TransactionCommand method beginTx.

public TransactionCommand beginTx() throws FrameworkException {
    final DatabaseService graphDb = (DatabaseService) arguments.get("graphDb");
    TransactionReference tx = transactions.get();
    if (graphDb != null) {
        if (tx == null) {
            try {
                // start new transaction
                tx = new TransactionReference(graphDb.beginTx());
            } catch (NetworkException nex) {
                throw new DatabaseServiceNetworkException(503, nex.getMessage());
            }
            queues.set(new ModificationQueue());
            buffers.set(new ErrorBuffer());
            transactions.set(tx);
            currentCommand.set(this);
        }
        // increase depth
        tx.begin();
    } else {
        throw new DatabaseServiceNotAvailableException(503, "Database service is not available, ensure the database is running and that there is a working network connection to it");
    }
    return this;
}

Example 3 with DatabaseService

use of org.structr.api.DatabaseService in project structr by structr.

the class DeleteRelationshipCommand method execute.

public Object execute(final RelationshipInterface rel, final boolean passiveDeletion) {
    DatabaseService graphDb = (DatabaseService) arguments.get("graphDb");
    if (graphDb != null && rel != null) {
        if (rel.getProperty(AbstractRelationship.id) == null) {
            logger.warn("Will not delete relationship which has no UUID: {} --[:{}]-->{}", new Object[] { rel.getSourceNode(), rel.getType(), rel.getTargetNode() });
            return null;
        }
        final Relationship relToDelete = rel.getRelationship();
        final RelationshipInterface finalRel = rel;
        TransactionCommand.relationshipDeleted(securityContext.getCachedUser(), finalRel, passiveDeletion);
        // callback
        finalRel.onRelationshipDeletion();
        // remove object from index
        finalRel.removeFromIndex();
        // delete node in database
        relToDelete.delete();
    }
    return null;
}

Example 4 with DatabaseService

use of org.structr.api.DatabaseService in project structr by structr.

the class FindRelationshipCommand method execute.

public T execute(String idString) throws FrameworkException {
    DatabaseService graphDb = (DatabaseService) arguments.get("graphDb");
    RelationshipFactory<T> relationshipFactory = new RelationshipFactory<>(securityContext);
    if (graphDb != null) {
        // single string value, try to parse to long
        try {
            return relationshipFactory.instantiate(graphDb.getRelationshipById(Long.parseLong(idString)));
        } catch (NumberFormatException ex) {
            // failed :(
            logger.debug("Could not parse {} to number", idString);
        }
    }
    return null;
}

Example 5 with DatabaseService

use of org.structr.api.DatabaseService in project structr by structr.

the class FindRelationshipCommand method execute.

public T execute(Long id) throws FrameworkException {
    DatabaseService graphDb = (DatabaseService) arguments.get("graphDb");
    RelationshipFactory<T> relationshipFactory = new RelationshipFactory<>(securityContext);
    if (graphDb != null) {
        return relationshipFactory.instantiate(graphDb.getRelationshipById(id));
    }
    return null;
}