Examples with VarPatternAdmin ai.grakn.graql.admin.VarPatternAdmin used on opensource projects

Example 21 with VarPatternAdmin

use of ai.grakn.graql.admin.VarPatternAdmin in project grakn by graknlabs.

the class RelatesProperty method match.

@Override
public Collection<EquivalentFragmentSet> match(Var start) {
    VarPatternAdmin superRole = superRole();
    EquivalentFragmentSet relates = relates(this, start, role().var());
    if (superRole == null) {
        return ImmutableSet.of(relates);
    } else {
        return ImmutableSet.of(relates, sub(this, role().var(), superRole.var()));
    }
}

Example 22 with VarPatternAdmin

use of ai.grakn.graql.admin.VarPatternAdmin in project grakn by graknlabs.

the class RelatesProperty method define.

@Override
public Collection<PropertyExecutor> define(Var var) throws GraqlQueryException {
    Var roleVar = role().var();
    PropertyExecutor.Method relatesMethod = executor -> {
        Role role = executor.get(roleVar).asRole();
        executor.get(var).asRelationshipType().relates(role);
    };
    PropertyExecutor relatesExecutor = PropertyExecutor.builder(relatesMethod).requires(var, roleVar).build();
    // This allows users to skip stating `$roleVar sub role` when they say `$var relates $roleVar`
    PropertyExecutor.Method isRoleMethod = executor -> executor.builder(roleVar).isRole();
    PropertyExecutor isRoleExecutor = PropertyExecutor.builder(isRoleMethod).produces(roleVar).build();
    VarPatternAdmin superRoleVarPattern = superRole();
    if (superRoleVarPattern != null) {
        Var superRoleVar = superRoleVarPattern.var();
        PropertyExecutor.Method subMethod = executor -> {
            Role superRole = executor.get(superRoleVar).asRole();
            executor.builder(roleVar).sub(superRole);
        };
        PropertyExecutor subExecutor = PropertyExecutor.builder(subMethod).requires(superRoleVar).produces(roleVar).build();
        return ImmutableSet.of(relatesExecutor, isRoleExecutor, subExecutor);
    } else {
        return ImmutableSet.of(relatesExecutor, isRoleExecutor);
    }
}

Example 23 with VarPatternAdmin

use of ai.grakn.graql.admin.VarPatternAdmin in project grakn by graknlabs.

the class AbstractVarPattern method innerVarPatterns.

@Override
public final Collection<VarPatternAdmin> innerVarPatterns() {
    Stack<VarPatternAdmin> newVars = new Stack<>();
    List<VarPatternAdmin> vars = new ArrayList<>();
    newVars.add(this);
    while (!newVars.isEmpty()) {
        VarPatternAdmin var = newVars.pop();
        vars.add(var);
        var.getProperties().flatMap(VarProperty::innerVarPatterns).forEach(newVars::add);
    }
    return vars;
}

Example 24 with VarPatternAdmin

use of ai.grakn.graql.admin.VarPatternAdmin in project grakn by graknlabs.

the class DefineQueryPropertyTest method aDefineQueryWithoutASubOrPlaysOrRelatesProperty_CannotBeInserted.

@Ignore("Currently no error message is returned when trying to insert an empty set of propoerties. I am not entirely sure this is correct")
@Property
public void aDefineQueryWithoutASubOrPlaysOrRelatesProperty_CannotBeInserted(@Open GraknTx tx, @Size(max = 5) Set<VarProperty> properties) {
    boolean containsSub = properties.stream().anyMatch(SubProperty.class::isInstance);
    boolean containsPlays = properties.stream().anyMatch(PlaysProperty.class::isInstance);
    boolean containsRelates = properties.stream().anyMatch(RelatesProperty.class::isInstance);
    assumeFalse(containsSub || containsPlays || containsRelates);
    VarPatternAdmin pattern = Patterns.varPattern(Graql.var("x"), properties);
    exception.expect(GraqlQueryException.class);
    tx.graql().define(pattern).execute();
}

Example 25 with VarPatternAdmin

use of ai.grakn.graql.admin.VarPatternAdmin in project grakn by graknlabs.

the class HasAttributeProperties method generate.

@Override
public HasAttributeProperty generate() {
    VarPatternAdmin varPatternAttribute;
    VarPatternAdmin varPatternRelationship;
    // `HasAttributeProperty` will implicitly attach an `IsaProperty`, so must not clash
    do {
        varPatternAttribute = gen(VarPatternAdmin.class);
    } while (varPatternAttribute.hasProperty(IsaProperty.class) || varPatternAttribute.hasProperty(DirectIsaProperty.class));
    do {
        varPatternRelationship = gen(VarPatternAdmin.class);
    } while (varPatternRelationship.hasProperty(IsaProperty.class) || varPatternRelationship.hasProperty(DirectIsaProperty.class));
    return HasAttributeProperty.of(gen(Label.class), varPatternAttribute, varPatternRelationship);
}