Examples with RelationType com.vaticle.typedb.core.concept.type.RelationType used on opensource projects

Example 16 with RelationType

use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.

the class BasicTest method write_and_retrieve_relation_rule.

@Test
public void write_and_retrieve_relation_rule() throws IOException {
    Util.resetDirectory(dataDir);
    try (TypeDB.DatabaseManager typedb = CoreDatabaseManager.open(options)) {
        typedb.create(database);
        try (TypeDB.Session session = typedb.session(database, Arguments.Session.Type.SCHEMA)) {
            try (TypeDB.Transaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                LogicManager logicMgr = txn.logic();
                EntityType person = conceptMgr.putEntityType("person");
                RelationType friendship = conceptMgr.putRelationType("friendship");
                friendship.setRelates("friend");
                RelationType marriage = conceptMgr.putRelationType("marriage");
                marriage.setRelates("spouse");
                person.setPlays(friendship.getRelates("friend"));
                person.setPlays(marriage.getRelates("spouse"));
                logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{$x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
                txn.commit();
            }
            try (TypeDB.Transaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
                ConceptManager conceptMgr = txn.concepts();
                LogicManager logicMgr = txn.logic();
                EntityType person = conceptMgr.getEntityType("person");
                RelationType friendship = conceptMgr.getRelationType("friendship");
                RoleType friend = friendship.getRelates("friend");
                RelationType marriage = conceptMgr.getRelationType("marriage");
                RoleType spouse = marriage.getRelates("spouse");
                Rule rule = logicMgr.getRule("marriage-is-friendship");
                Pattern when = rule.getWhenPreNormalised();
                ThingVariable<?> then = rule.getThenPreNormalised();
                assertEquals(TypeQL.parsePattern("{$x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage; }"), when);
                assertEquals(TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship"), then);
            }
        }
    }
}

Example 17 with RelationType

use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.

the class QueryTest method test_query_define.

@Test
public void test_query_define() throws IOException {
    Util.resetDirectory(dataDir);
    try (TypeDB.DatabaseManager typedb = CoreDatabaseManager.open(options)) {
        typedb.create(database);
        try (TypeDB.Session session = typedb.session(database, Arguments.Session.Type.SCHEMA)) {
            try (TypeDB.Transaction transaction = session.transaction(Arguments.Transaction.Type.WRITE)) {
                TypeQLDefine query = TypeQL.parseQuery(new String(Files.readAllBytes(Paths.get("test/integration/schema.tql")), UTF_8));
                transaction.query().define(query);
                transaction.commit();
            }
            try (TypeDB.Transaction tx = session.transaction(Arguments.Transaction.Type.READ)) {
                AttributeType.String name = tx.concepts().getAttributeType("name").asString();
                AttributeType.String symbol = tx.concepts().getAttributeType("symbol").asString();
                AttributeType.Boolean active = tx.concepts().getAttributeType("active").asBoolean();
                AttributeType.Long priority = tx.concepts().getAttributeType("priority").asLong();
                assertNotNulls(name, symbol, active, priority);
                EntityType organisation = tx.concepts().getEntityType("organisation");
                EntityType team = tx.concepts().getEntityType("team");
                EntityType user = tx.concepts().getEntityType("user");
                EntityType repository = tx.concepts().getEntityType("repository");
                EntityType branchRule = tx.concepts().getEntityType("branch-rule");
                EntityType commit = tx.concepts().getEntityType("commit");
                assertNotNulls(organisation, team, user, repository, branchRule, commit);
                assertTrue(organisation.getOwns().anyMatch(a -> a.equals(name)));
                assertTrue(team.getOwns().anyMatch(a -> a.equals(symbol)));
                assertTrue(user.getOwns().anyMatch(a -> a.equals(name)));
                assertTrue(repository.getOwns().anyMatch(a -> a.equals(active)));
                assertTrue(branchRule.getOwns().anyMatch(a -> a.equals(priority)));
                assertTrue(commit.getOwns().anyMatch(a -> a.equals(symbol)));
                RelationType orgTeam = tx.concepts().getRelationType("org-team");
                RelationType teamMember = tx.concepts().getRelationType("team-member");
                RelationType repoDependency = tx.concepts().getRelationType("repo-dependency");
                assertNotNulls(orgTeam, teamMember, repoDependency);
                RoleType orgTeam_org = orgTeam.getRelates("org");
                RoleType orgTeam_team = orgTeam.getRelates("team");
                RoleType teamMember_team = teamMember.getRelates("team");
                RoleType teamMember_member = teamMember.getRelates("member");
                assertNotNulls(orgTeam_org, orgTeam_team, teamMember_team, teamMember_member);
                assertTrue(organisation.getPlays().anyMatch(r -> r.equals(orgTeam_org)));
                assertTrue(team.getPlays().anyMatch(r -> r.equals(orgTeam_team)));
                assertTrue(team.getPlays().anyMatch(r -> r.equals(teamMember_team)));
                assertTrue(user.getPlays().anyMatch(r -> r.equals(teamMember_member)));
                // check first 4 rules
                assertNotNull(tx.logic().getRule("repo-fork-rule"));
                assertNotNull(tx.logic().getRule("repo-dependency-transitive-rule"));
                assertNotNull(tx.logic().getRule("repo-dependency-transitive-type-rule"));
                assertNotNull(tx.logic().getRule("repo-collaborator-org-rule"));
                // check total count
                assertEquals(15, tx.logic().rules().toList().size());
            }
        }
    }
}

Example 18 with RelationType

use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.

the class RuleTest method new_type_updates_rule_conclusion_index.

@Test
public void new_type_updates_rule_conclusion_index() throws IOException {
    Util.resetDirectory(dataDir);
    try (CoreDatabaseManager databaseMgr = CoreDatabaseManager.open(options)) {
        databaseMgr.create(database);
        try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                LogicManager logicMgr = txn.logic();
                EntityType person = conceptMgr.putEntityType("person");
                RelationType marriage = conceptMgr.putRelationType("marriage");
                AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
                name.setAbstract();
                AttributeType firstName = conceptMgr.putAttributeType("first-name", AttributeType.ValueType.STRING);
                firstName.setSupertype(name);
                marriage.setRelates("spouse");
                person.setPlays(marriage.getRelates("spouse"));
                person.setOwns(firstName);
                Rule marriageSameName = logicMgr.putRule("marriage-same-name", TypeQL.parsePattern("{ $x isa person, has name $a; $y isa person; (spouse:$x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("$y has $a").asThing());
                Conjunction sameName = marriageSameName.then();
                Variable nameAttr = getVariable(sameName.variables(), Identifier.Variable.name("a"));
                assertEquals(set(Label.of("first-name")), nameAttr.inferredTypes());
                txn.commit();
            }
            // add a new subtype of an attribute in a rule
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                AttributeType lastName = conceptMgr.putAttributeType("last-name", AttributeType.ValueType.STRING);
                lastName.setSupertype(conceptMgr.getAttributeType("name"));
                conceptMgr.getEntityType("person").setOwns(lastName);
                txn.commit();
            }
            // check the new attribute type is re-indexed in the conclusions index
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
                LogicManager logicMgr = txn.logic();
                Rule marriageSameName = logicMgr.getRule("marriage-same-name");
                assertEquals(set(marriageSameName), logicMgr.rulesConcludingHas(Label.of("last-name")).toSet());
            }
        }
    }
}

Example 19 with RelationType

use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.

the class RuleTest method rule_indexes_created_and_readable.

// ------------ Rule conclusion indexing ------------
@Test
public void rule_indexes_created_and_readable() throws IOException {
    Util.resetDirectory(dataDir);
    try (CoreDatabaseManager databaseMgr = CoreDatabaseManager.open(options)) {
        databaseMgr.create(database);
        try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                LogicManager logicMgr = txn.logic();
                EntityType person = conceptMgr.putEntityType("person");
                RelationType friendship = conceptMgr.putRelationType("friendship");
                friendship.setRelates("friend");
                RelationType marriage = conceptMgr.putRelationType("marriage");
                AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
                AttributeType age = conceptMgr.putAttributeType("age", AttributeType.ValueType.LONG);
                marriage.setRelates("spouse");
                person.setPlays(friendship.getRelates("friend"));
                person.setPlays(marriage.getRelates("spouse"));
                person.setOwns(name);
                person.setOwns(age);
                Rule marriageFriendsRule = logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{ $x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
                Conjunction marriageFriendsThen = marriageFriendsRule.then();
                Variable marriageFriendsRelation = getVariable(marriageFriendsThen.variables(), Identifier.Variable.anon(0));
                assertEquals(set(Label.of("friendship")), marriageFriendsRelation.inferredTypes());
                Rule allFriendsRule = logicMgr.putRule("all-people-are-friends", TypeQL.parsePattern("{ $x isa person; $y isa person; $t type friendship; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa $t").asThing());
                Conjunction allFriendsThen = allFriendsRule.then();
                Variable allFriendsRelation = getVariable(allFriendsThen.variables(), Identifier.Variable.anon(0));
                assertEquals(set(Label.of("friendship")), allFriendsRelation.inferredTypes());
                Rule marriageSameName = logicMgr.putRule("marriage-same-name", TypeQL.parsePattern("{ $x isa person, has name $a; $y isa person; (spouse:$x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("$y has $a").asThing());
                Conjunction sameName = marriageSameName.then();
                Variable nameAttr = getVariable(sameName.variables(), Identifier.Variable.name("a"));
                assertEquals(set(Label.of("name")), nameAttr.inferredTypes());
                Rule peopleHaveAge10 = logicMgr.putRule("people-have-age-10", TypeQL.parsePattern("{ $x isa person; }").asConjunction(), TypeQL.parseVariable("$x has age 10").asThing());
                Conjunction age10 = peopleHaveAge10.then();
                Variable ageAttr = getVariable(age10.variables(), Identifier.Variable.anon(0));
                assertEquals(set(Label.of("age")), ageAttr.inferredTypes());
                txn.commit();
            }
        }
        try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.DATA)) {
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
                LogicManager logicMgr = txn.logic();
                Set<Rule> friendshipRules = logicMgr.rulesConcluding(Label.of("friendship")).toSet();
                Rule marriageFriendsRule = txn.logic().getRule("marriage-is-friendship");
                Rule allFriendsRule = txn.logic().getRule("all-people-are-friends");
                assertEquals(set(marriageFriendsRule, allFriendsRule), friendshipRules);
                Set<Rule> hasNameRules = logicMgr.rulesConcludingHas(Label.of("name")).toSet();
                Rule marriageSameName = txn.logic().getRule("marriage-same-name");
                assertEquals(set(marriageSameName), hasNameRules);
                Set<Rule> hasAgeRules = logicMgr.rulesConcludingHas(Label.of("age")).toSet();
                Set<Rule> ageRules = logicMgr.rulesConcluding(Label.of("age")).toSet();
                Rule peopleHaveAge10 = txn.logic().getRule("people-have-age-10");
                assertEquals(set(peopleHaveAge10), hasAgeRules);
                assertEquals(set(peopleHaveAge10), ageRules);
            }
        }
    }
}

Example 20 with RelationType

use of com.vaticle.typedb.core.concept.type.RelationType in project grakn by graknlabs.

the class RuleTest method rule_contains_indexes_allow_deleting_type_after_deleting_rule.

@Test
public void rule_contains_indexes_allow_deleting_type_after_deleting_rule() throws IOException {
    Util.resetDirectory(dataDir);
    try (CoreDatabaseManager databaseMgr = CoreDatabaseManager.open(options)) {
        databaseMgr.create(database);
        try (CoreSession session = databaseMgr.session(database, Arguments.Session.Type.SCHEMA)) {
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                LogicManager logicMgr = txn.logic();
                GraphManager graphMgr = logicMgr.graph();
                EntityType person = conceptMgr.putEntityType("person");
                RelationType friendship = conceptMgr.putRelationType("friendship");
                friendship.setRelates("friend");
                RelationType marriage = conceptMgr.putRelationType("marriage");
                AttributeType name = conceptMgr.putAttributeType("name", AttributeType.ValueType.STRING);
                marriage.setRelates("spouse");
                person.setPlays(friendship.getRelates("friend"));
                person.setPlays(marriage.getRelates("spouse"));
                person.setOwns(name);
                Rule marriageFriendsRule = logicMgr.putRule("marriage-is-friendship", TypeQL.parsePattern("{ $x isa person; $y isa person; (spouse: $x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("(friend: $x, friend: $y) isa friendship").asThing());
                assertIndexTypesContainRule(set(Label.of("person"), Label.of("spouse", "marriage"), Label.of("marriage"), Label.of("friend", "friendship"), Label.of("friendship")), marriageFriendsRule.getLabel(), graphMgr);
                Rule marriageSameName = logicMgr.putRule("marriage-same-name", TypeQL.parsePattern("{ $x isa person, has name $a; $y isa person; (spouse:$x, spouse: $y) isa marriage; }").asConjunction(), TypeQL.parseVariable("$y has $a").asThing());
                assertIndexTypesContainRule(set(Label.of("person"), Label.of("spouse", "marriage"), Label.of("marriage"), Label.of("name")), marriageSameName.getLabel(), graphMgr);
                txn.commit();
            }
            // check the rule index is still established after commit
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
                Rule marriageFriendsRule = txn.logic().getRule("marriage-is-friendship");
                assertIndexTypesContainRule(set(Label.of("person"), Label.of("spouse", "marriage"), Label.of("marriage"), Label.of("friend", "friendship"), Label.of("friendship")), marriageFriendsRule.getLabel(), txn.logic().graph());
                Rule marriageSameName = txn.logic().getRule("marriage-same-name");
                assertIndexTypesContainRule(set(Label.of("person"), Label.of("spouse", "marriage"), Label.of("marriage"), Label.of("name")), marriageSameName.getLabel(), txn.logic().graph());
            }
            // deleting a relation type used in a rule should throw
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                RelationType friendship = conceptMgr.getRelationType("friendship");
                assertThrowsTypeDBException(friendship::delete, ErrorMessage.TypeWrite.TYPE_REFERENCED_IN_RULES.code());
                assertTrue(!txn.isOpen());
            }
            // deleting an attribute type used in a rule should throw
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                AttributeType name = conceptMgr.getAttributeType("name");
                assertThrowsTypeDBException(name::delete, ErrorMessage.TypeWrite.TYPE_REFERENCED_IN_RULES.code());
                assertTrue(!txn.isOpen());
            }
            // deleting a rule, then an attribute type used in the rule is allowed
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                AttributeType name = conceptMgr.getAttributeType("name");
                LogicManager logicMgr = txn.logic();
                Rule marriageSameName = logicMgr.getRule("marriage-same-name");
                marriageSameName.delete();
                assertNotThrows(name::delete);
                txn.commit();
            }
            // deleting a rule, then an entity type used in the rule is allowed
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.WRITE)) {
                ConceptManager conceptMgr = txn.concepts();
                RelationType person = conceptMgr.getRelationType("friendship");
                LogicManager logicMgr = txn.logic();
                Rule marriageIsFriendship = logicMgr.getRule("marriage-is-friendship");
                marriageIsFriendship.delete();
                assertNotThrows(person::delete);
                txn.commit();
            }
            // after all rules are deleted, no rules should exist in the index
            try (CoreTransaction txn = session.transaction(Arguments.Transaction.Type.READ)) {
                LogicManager logicMgr = txn.logic();
                GraphManager graphMgr = logicMgr.graph();
                // no types should be in the index
                graphMgr.schema().thingTypes().forEachRemaining(type -> {
                    assertFalse(graphMgr.schema().rules().references().get(graphMgr.schema().getType(type.properLabel())).hasNext());
                });
            }
        }
    }
}