Examples with ObjRelationship org.apache.cayenne.map.ObjRelationship used on opensource projects

Example 11 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class DataMapUtils method getParameterNames.

private Map<String, String> getParameterNames(Expression expression, Object root) {
    if (expression != null) {
        Map<String, String> types = new HashMap<>();
        String typeName = "";
        List<String> names = new LinkedList<>();
        for (int i = 0; i < expression.getOperandCount(); i++) {
            Object operand = expression.getOperand(i);
            if (operand instanceof Expression) {
                types.putAll(getParameterNames((Expression) operand, root));
            }
            if (operand instanceof ASTObjPath) {
                PathComponent<ObjAttribute, ObjRelationship> component = ((Entity) root).lastPathComponent((ASTObjPath) operand, null);
                ObjAttribute attribute = component.getAttribute();
                if (attribute != null) {
                    typeName = attribute.getType();
                } else {
                    ObjRelationship relationship = component.getRelationship();
                    if (relationship != null) {
                        typeName = relationship.getTargetEntity().getClassName();
                    } else {
                        typeName = "Object";
                    }
                }
            }
            if (operand instanceof ASTList) {
                Object[] values = (Object[]) ((ASTList) operand).getOperand(0);
                for (Object value : values) {
                    if (value instanceof ExpressionParameter) {
                        names.add(((ExpressionParameter) value).getName());
                    }
                }
            }
            if (operand instanceof ExpressionParameter) {
                names.add(((ExpressionParameter) operand).getName());
            }
        }
        for (String name : names) {
            types.put(Util.underscoredToJava(name, false), typeName);
        }
        return types;
    }
    return Collections.emptyMap();
}

Example 12 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class ClassGenerationActionTest method testExecuteArtifactPairsMapRelationships.

@Test
public void testExecuteArtifactPairsMapRelationships() throws Exception {
    ObjEntity testEntity1 = new ObjEntity("TE1");
    testEntity1.setClassName("org.example.TestClass1");
    final ObjEntity testEntity2 = new ObjEntity("TE1");
    testEntity2.setClassName("org.example.TestClass2");
    ObjRelationship relationship = new ObjRelationship("xMap") {

        private static final long serialVersionUID = 8042147877503405974L;

        @Override
        public boolean isToMany() {
            return true;
        }

        @Override
        public ObjEntity getTargetEntity() {
            return testEntity2;
        }
    };
    relationship.setCollectionType("java.util.Map");
    testEntity1.addRelationship(relationship);
    action.setMakePairs(true);
    List<String> generated = execute(new EntityArtifact(testEntity1));
    assertNotNull(generated);
    assertEquals(2, generated.size());
    String superclass = generated.get(0);
    assertTrue(superclass, superclass.contains("import java.util.Map;"));
}

Example 13 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class SingleClassGenerationTest method testContainsPropertyImportForRelationships.

@Test
public void testContainsPropertyImportForRelationships() throws Exception {
    ObjEntity objEntity = new ObjEntity("TEST1");
    ObjRelationship rel = new ObjRelationship("rel");
    objEntity.addRelationship(rel);
    VelocityContext context = new VelocityContext();
    context.put(Artifact.OBJECT_KEY, objEntity);
    String res = renderTemplate(ClassGenerationAction.SINGLE_CLASS_TEMPLATE, context);
    assertTrue(res.contains("org.apache.cayenne.exp.Property"));
}

Example 14 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class SuperClassGenerationTest method testContainsPropertyImport.

@Test
public void testContainsPropertyImport() throws Exception {
    ObjEntity objEntity = new ObjEntity("TEST1");
    ObjAttribute attr = new ObjAttribute("attr");
    ObjRelationship rel = new ObjRelationship("rel");
    objEntity.addAttribute(attr);
    objEntity.addRelationship(rel);
    VelocityContext context = new VelocityContext();
    context.put(Artifact.OBJECT_KEY, objEntity);
    String res = renderTemplate(ClassGenerationAction.SUPERCLASS_TEMPLATE, context);
    assertTrue(res.contains("org.apache.cayenne.exp.Property"));
}

Example 15 with ObjRelationship

use of org.apache.cayenne.map.ObjRelationship in project cayenne by apache.

the class ObjRelationshipValidator method checkForDuplicates.

/**
 * Per CAY-1813, make sure two (or more) ObjRelationships do not map to the
 * same database path.
 */
private void checkForDuplicates(ObjRelationship relationship, ValidationResult validationResult) {
    if (relationship != null && relationship.getName() != null && relationship.getTargetEntityName() != null) {
        String dbRelationshipPath = relationship.getTargetEntityName() + "." + relationship.getDbRelationshipPath();
        ObjEntity entity = relationship.getSourceEntity();
        for (ObjRelationship comparisonRelationship : entity.getRelationships()) {
            if (relationship != comparisonRelationship) {
                String comparisonDbRelationshipPath = comparisonRelationship.getTargetEntityName() + "." + comparisonRelationship.getDbRelationshipPath();
                if (dbRelationshipPath.equals(comparisonDbRelationshipPath)) {
                    addFailure(validationResult, relationship, "ObjEntity '%s' contains a duplicate ObjRelationship mapping ('%s' -> '%s')", entity.getName(), relationship.getName(), dbRelationshipPath);
                    // Duplicate found, stop.
                    return;
                }
            }
        }
    }
}