Examples with ConstraintDescriptor org.neo4j.internal.schema.ConstraintDescriptor used on opensource projects

Example 86 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class UniquenessConstraintValidationIT method createConstraint.

private ConstraintDescriptor createConstraint(String label, String propertyKey) throws KernelException {
    int labelId;
    int propertyKeyId;
    TokenWrite tokenWrite = tokenWriteInNewTransaction();
    labelId = tokenWrite.labelGetOrCreateForName(label);
    propertyKeyId = tokenWrite.propertyKeyGetOrCreateForName(propertyKey);
    commit();
    SchemaWrite schemaWrite = schemaWriteInNewTransaction();
    ConstraintDescriptor constraint = schemaWrite.uniquePropertyConstraintCreate(uniqueForSchema(forLabel(labelId, propertyKeyId)));
    commit();
    return constraint;
}

Example 87 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class NodeGetUniqueFromIndexSeekIT method createUniquenessConstraint.

private IndexDescriptor createUniquenessConstraint(int labelId, int... propertyIds) throws Exception {
    KernelTransaction transaction = newTransaction(LoginContext.AUTH_DISABLED);
    LabelSchemaDescriptor schema = SchemaDescriptor.forLabel(labelId, propertyIds);
    ConstraintDescriptor constraint = transaction.schemaWrite().uniquePropertyConstraintCreate(IndexPrototype.uniqueForSchema(schema));
    IndexDescriptor index = transaction.schemaRead().indexGetForName(constraint.getName());
    commit();
    return index;
}

Example 88 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class SchemaRuleSerialization35Test method assertParseUniqueConstraintRule.

private static void assertParseUniqueConstraintRule(String serialized, String name) throws MalformedSchemaRuleException {
    // GIVEN
    long ruleId = 1;
    int propertyKey = 3;
    int labelId = 55;
    long ownedIndexId = 2;
    UniquenessConstraintDescriptor constraint = uniqueForLabel(labelId, propertyKey);
    byte[] bytes = decodeBase64(serialized);
    // WHEN
    ConstraintDescriptor deserialized = assertConstraintRule(SchemaRuleSerialization35.deserialize(ruleId, ByteBuffer.wrap(bytes)));
    // THEN
    assertThat(deserialized.getId()).isEqualTo(ruleId);
    assertThat(deserialized).isEqualTo(constraint);
    assertThat(deserialized.schema()).isEqualTo(constraint.schema());
    assertThat(deserialized.asIndexBackedConstraint().ownedIndexId()).isEqualTo(ownedIndexId);
    assertThat(deserialized.getName()).isEqualTo(name);
}

Example 89 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class SchemaRuleSerialization35Test method assertParseNodeKeyConstraintRule.

private static void assertParseNodeKeyConstraintRule(String serialized, String name) throws MalformedSchemaRuleException {
    // GIVEN
    long ruleId = 1;
    int propertyKey = 3;
    int labelId = 55;
    long ownedIndexId = 2;
    NodeKeyConstraintDescriptor constraint = nodeKeyForLabel(labelId, propertyKey);
    byte[] bytes = decodeBase64(serialized);
    // WHEN
    ConstraintDescriptor deserialized = assertConstraintRule(SchemaRuleSerialization35.deserialize(ruleId, ByteBuffer.wrap(bytes)));
    // THEN
    assertThat(deserialized.getId()).isEqualTo(ruleId);
    assertThat(deserialized).isEqualTo(constraint);
    assertThat(deserialized.schema()).isEqualTo(constraint.schema());
    assertThat(deserialized.asIndexBackedConstraint().ownedIndexId()).isEqualTo(ownedIndexId);
    assertThat(deserialized.getName()).isEqualTo(name);
}

Example 90 with ConstraintDescriptor

use of org.neo4j.internal.schema.ConstraintDescriptor in project neo4j by neo4j.

the class SchemaRuleException method describe.

public static String describe(SchemaDescriptorSupplier schemaThing) {
    SchemaDescriptor schema = schemaThing.schema();
    String tagType;
    switch(schema.entityType()) {
        case NODE:
            tagType = "label";
            break;
        case RELATIONSHIP:
            tagType = "relationship type";
            break;
        default:
            throw new AssertionError("Unknown entity type: " + schema.entityType());
    }
    if (schemaThing instanceof ConstraintDescriptor) {
        ConstraintDescriptor constraint = (ConstraintDescriptor) schemaThing;
        switch(constraint.type()) {
            case UNIQUE:
                return tagType + " uniqueness constraint";
            case EXISTS:
                return tagType + " property existence constraint";
            case UNIQUE_EXISTS:
                return schema.entityType().name().toLowerCase() + " key constraint";
            default:
                throw new AssertionError("Unknown constraint type: " + constraint.type());
        }
    } else {
        IndexDescriptor index = (IndexDescriptor) schemaThing;
        IndexType indexType = index.getIndexType();
        if (indexType != IndexType.BTREE) {
            String indexTypeName = indexType.name().toLowerCase();
            return indexTypeName + " " + tagType + " index";
        } else {
            return tagType + " index";
        }
    }
}