Examples with KernelException org.neo4j.exceptions.KernelException used on opensource projects

Example 51 with KernelException

use of org.neo4j.exceptions.KernelException in project neo4j by neo4j.

the class StoreUpgrader method migrateToIsolatedDirectory.

private void migrateToIsolatedDirectory(DatabaseLayout directoryLayout, DatabaseLayout migrationLayout, String versionToMigrateFrom) {
    try {
        for (Map.Entry<String, StoreMigrationParticipant> participantEntry : participants.entrySet()) {
            ProgressReporter progressReporter = progressMonitor.startSection(participantEntry.getKey());
            String versionToMigrateTo = storeVersionCheck.configuredVersion();
            IndexImporterFactory indexImporterFactory = new IndexImporterFactoryImpl(config);
            participantEntry.getValue().migrate(directoryLayout, migrationLayout, progressReporter, versionToMigrateFrom, versionToMigrateTo, indexImporterFactory);
            progressReporter.completed();
        }
    } catch (IOException | UncheckedIOException | KernelException e) {
        throw new UnableToUpgradeException("Failure doing migration", e);
    }
}

Example 52 with KernelException

use of org.neo4j.exceptions.KernelException in project neo4j by neo4j.

the class SchemaStatementProcedure method createStatement.

public static String createStatement(TokenRead tokenRead, IndexDescriptor indexDescriptor) throws ProcedureException {
    try {
        final String name = indexDescriptor.getName();
        final String labelsOrRelTypes = labelsOrRelTypesAsStringArray(tokenRead, indexDescriptor.schema());
        final String properties = propertiesAsStringArray(tokenRead, indexDescriptor.schema());
        switch(indexDescriptor.getIndexType()) {
            case BTREE:
                String btreeConfig = btreeConfigAsString(indexDescriptor);
                final String providerName = indexDescriptor.getIndexProvider().name();
                return format(CREATE_BTREE_INDEX, name, labelsOrRelTypes, properties, providerName, btreeConfig);
            case FULLTEXT:
                String fulltextConfig = fulltextConfigAsString(indexDescriptor);
                switch(indexDescriptor.schema().entityType()) {
                    case NODE:
                        return format(CREATE_NODE_FULLTEXT_INDEX, name, labelsOrRelTypes, properties, fulltextConfig);
                    case RELATIONSHIP:
                        return format(CREATE_RELATIONSHIP_FULLTEXT_INDEX, name, labelsOrRelTypes, properties, fulltextConfig);
                    default:
                        throw new IllegalArgumentException("Did not recognize entity type " + indexDescriptor.schema().entityType());
                }
            default:
                throw new IllegalArgumentException("Did not recognize index type " + indexDescriptor.getIndexType());
        }
    } catch (KernelException e) {
        throw new ProcedureException(Status.General.UnknownError, e, "Failed to re-create create statement.");
    }
}

Example 53 with KernelException

use of org.neo4j.exceptions.KernelException in project neo4j by neo4j.

the class NodeEntity method createRelationshipTo.

@Override
public Relationship createRelationshipTo(Node otherNode, RelationshipType type) {
    if (otherNode == null) {
        throw new IllegalArgumentException("Other node is null.");
    }
    KernelTransaction transaction = internalTransaction.kernelTransaction();
    int relationshipTypeId;
    try {
        relationshipTypeId = transaction.tokenWrite().relationshipTypeGetOrCreateForName(type.name());
    } catch (IllegalTokenNameException e) {
        throw new IllegalArgumentException(e);
    } catch (TokenCapacityExceededKernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    } catch (KernelException e) {
        throw new TransactionFailureException("Unknown error trying to create relationship type token", e);
    }
    try {
        long relationshipId = transaction.dataWrite().relationshipCreate(nodeId, relationshipTypeId, otherNode.getId());
        return internalTransaction.newRelationshipEntity(relationshipId, nodeId, relationshipTypeId, otherNode.getId());
    } catch (EntityNotFoundException e) {
        throw new NotFoundException("Node[" + e.entityId() + "] is deleted and cannot be used to create a relationship");
    } catch (InvalidTransactionTypeKernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    }
}

Example 54 with KernelException

use of org.neo4j.exceptions.KernelException in project neo4j by neo4j.

the class NodeEntity method addLabel.

@Override
public void addLabel(Label label) {
    KernelTransaction transaction = internalTransaction.kernelTransaction();
    int labelId;
    try {
        labelId = transaction.tokenWrite().labelGetOrCreateForName(label.name());
    } catch (IllegalTokenNameException e) {
        throw new ConstraintViolationException(format("Invalid label name '%s'.", label.name()), e);
    } catch (TokenCapacityExceededKernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    } catch (KernelException e) {
        throw new TransactionFailureException("Unknown error trying to create label token", e);
    }
    try {
        transaction.dataWrite().nodeAddLabel(getId(), labelId);
    } catch (ConstraintValidationException e) {
        throw new ConstraintViolationException(e.getUserMessage(transaction.tokenRead()), e);
    } catch (EntityNotFoundException e) {
        throw new NotFoundException("No node with id " + getId() + " found.", e);
    } catch (KernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    }
}

Example 55 with KernelException

use of org.neo4j.exceptions.KernelException in project neo4j by neo4j.

the class NodeEntity method setProperty.

@Override
public void setProperty(String key, Object value) {
    KernelTransaction transaction = internalTransaction.kernelTransaction();
    int propertyKeyId;
    try {
        propertyKeyId = transaction.tokenWrite().propertyKeyGetOrCreateForName(key);
    } catch (IllegalTokenNameException e) {
        throw new IllegalArgumentException(format("Invalid property key '%s'.", key), e);
    } catch (TokenCapacityExceededKernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    } catch (KernelException e) {
        throw new TransactionFailureException("Unknown error trying to create property key token", e);
    }
    try {
        transaction.dataWrite().nodeSetProperty(nodeId, propertyKeyId, Values.of(value, false));
    } catch (ConstraintValidationException e) {
        throw new ConstraintViolationException(e.getUserMessage(transaction.tokenRead()), e);
    } catch (IllegalArgumentException e) {
        try {
            transaction.rollback();
        } catch (org.neo4j.internal.kernel.api.exceptions.TransactionFailureException ex) {
            ex.addSuppressed(e);
            throw new TransactionFailureException("Fail to rollback transaction.", ex);
        }
        throw e;
    } catch (EntityNotFoundException e) {
        throw new NotFoundException(e);
    } catch (KernelException e) {
        throw new ConstraintViolationException(e.getMessage(), e);
    }
}