Examples with Transaction org.neo4j.graphdb.Transaction used on opensource projects

Example 96 with Transaction

use of org.neo4j.graphdb.Transaction in project neo4j by neo4j.

the class SchemaConstraintsIT method createLabelUniquenessPropertyConstraint.

private ConstraintDefinition createLabelUniquenessPropertyConstraint(String labelName, String propertyKey) {
    try (Transaction tx = graphdb().beginTx()) {
        ConstraintDefinition constraintDefinition = graphdb().schema().constraintFor(label(labelName)).assertPropertyIsUnique(propertyKey).create();
        tx.success();
        return constraintDefinition;
    }
}

Example 97 with Transaction

use of org.neo4j.graphdb.Transaction in project neo4j by neo4j.

the class GraphDbHelper method getRelationship.

public Relationship getRelationship(long relationshipId) {
    try (Transaction tx = database.getGraph().beginTransaction(implicit, AnonymousContext.read())) {
        Relationship relationship = database.getGraph().getRelationshipById(relationshipId);
        tx.success();
        return relationship;
    }
}

Example 98 with Transaction

use of org.neo4j.graphdb.Transaction in project neo4j by neo4j.

the class GraphDbHelper method getIndexedRelationships.

public Collection<Long> getIndexedRelationships(String indexName, String key, Object value) {
    try (Transaction tx = database.getGraph().beginTransaction(implicit, AnonymousContext.write())) {
        Collection<Long> result = new ArrayList<>();
        for (Relationship relationship : database.getGraph().index().forRelationships(indexName).get(key, value)) {
            result.add(relationship.getId());
        }
        tx.success();
        return result;
    }
}

Example 99 with Transaction

use of org.neo4j.graphdb.Transaction in project neo4j by neo4j.

the class GraphDbHelper method createPropertyUniquenessConstraint.

public ConstraintDefinition createPropertyUniquenessConstraint(String labelName, List<String> propertyKeys) {
    try (Transaction tx = database.getGraph().beginTransaction(implicit, AUTH_DISABLED)) {
        ConstraintCreator creator = database.getGraph().schema().constraintFor(label(labelName));
        for (String propertyKey : propertyKeys) {
            creator = creator.assertPropertyIsUnique(propertyKey);
        }
        ConstraintDefinition result = creator.create();
        tx.success();
        return result;
    }
}

Example 100 with Transaction

use of org.neo4j.graphdb.Transaction in project neo4j by neo4j.

the class GraphDbHelper method addRelationshipToIndex.

public void addRelationshipToIndex(String indexName, String key, String value, long relationshipId) {
    try (Transaction tx = database.getGraph().beginTransaction(implicit, AUTH_DISABLED)) {
        Index<Relationship> index = database.getGraph().index().forRelationships(indexName);
        index.add(database.getGraph().getRelationshipById(relationshipId), key, value);
        tx.success();
    }
}