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Package: EntityDeconstructor

EntityDeconstructor

nameinstructionbranchcomplexitylinemethod
EntityDeconstructor(ObjectOntologyMapperImpl)
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addAssertions(Object, EntityType, FieldSpecification, Descriptor, AxiomValueGatherer)
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addEntityClassAssertion(AxiomValueGatherer, Object, Descriptor)
M: 4 C: 24
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createAxiomValueBuilder(URI, Descriptor)
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mapEntityToAxioms(URI, Object, EntityType, Descriptor)
M: 10 C: 57
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mapFieldToAxioms(URI, Object, Field, EntityType, Descriptor)
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M: 2 C: 6
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setCascadeResolver(CascadeResolver)
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static {...}
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Coverage

1: /**
2: * Copyright (C) 2016 Czech Technical University in Prague
3: *
4: * This program is free software: you can redistribute it and/or modify it under
5: * the terms of the GNU General Public License as published by the Free Software
6: * Foundation, either version 3 of the License, or (at your option) any
7: * later version.
8: *
9: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12: * details. You should have received a copy of the GNU General Public License
13: * along with this program. If not, see <http://www.gnu.org/licenses/>.
14: */
15: package cz.cvut.kbss.jopa.oom;
16:
17: import java.lang.reflect.Field;
18: import java.net.URI;
19:
20: import cz.cvut.kbss.jopa.model.annotations.OWLClass;
21: import cz.cvut.kbss.jopa.model.descriptors.Descriptor;
22: import cz.cvut.kbss.jopa.model.metamodel.Attribute;
23: import cz.cvut.kbss.jopa.model.metamodel.EntityType;
24: import cz.cvut.kbss.jopa.model.metamodel.FieldSpecification;
25: import cz.cvut.kbss.jopa.oom.exceptions.EntityDeconstructionException;
26: import cz.cvut.kbss.ontodriver.model.Assertion;
27: import cz.cvut.kbss.ontodriver.model.NamedResource;
28: import cz.cvut.kbss.ontodriver.model.Value;
29:
30: class EntityDeconstructor {
31:
32:         private final EntityMappingHelper mapper;
33:         private CascadeResolver cascadeResolver;
34:
35:         EntityDeconstructor(ObjectOntologyMapperImpl mapper) {
36:                 this.mapper = mapper;
37:         }
38:
39:         void setCascadeResolver(CascadeResolver cascadeResolver) {
40:                 this.cascadeResolver = cascadeResolver;
41:         }
42:
43:         <T> AxiomValueGatherer mapEntityToAxioms(URI primaryKey, T entity, EntityType<T> et,
44:                         Descriptor descriptor) {
45:•                assert primaryKey != null;
46:
47:                 final AxiomValueGatherer valueBuilder = createAxiomValueBuilder(primaryKey, descriptor);
48:                 try {
49:                         addEntityClassAssertion(valueBuilder, entity, descriptor);
50:•                        if (et.getTypes() != null) {
51:                                 addAssertions(entity, et, et.getTypes(), descriptor, valueBuilder);
52:                         }
53:•                        if (et.getProperties() != null) {
54:                                 addAssertions(entity, et, et.getProperties(), descriptor, valueBuilder);
55:                         }
56:•                        for (Attribute<? super T, ?> att : et.getAttributes()) {
57:                                 addAssertions(entity, et, att, descriptor, valueBuilder);
58:                         }
59:
60:                 } catch (IllegalArgumentException | IllegalAccessException e) {
61:                         throw new EntityDeconstructionException(e);
62:                 }
63:                 return valueBuilder;
64:         }
65:
66:         private AxiomValueGatherer createAxiomValueBuilder(URI primaryKey, Descriptor descriptor) {
67:                 return new AxiomValueGatherer(NamedResource.create(primaryKey), descriptor.getContext());
68:         }
69:
70:         private <T> void addEntityClassAssertion(AxiomValueGatherer valueBuilder, T entity,
71:                         Descriptor descriptor) throws IllegalArgumentException, IllegalAccessException {
72:                 final OWLClass clsType = entity.getClass().getAnnotation(OWLClass.class);
73:•                assert clsType != null;
74:                 final Assertion entityClassAssertion = Assertion.createClassAssertion(false);
75:                 valueBuilder.addValue(entityClassAssertion, new Value<>(URI.create(clsType.iri())),
76:                                 descriptor.getContext());
77:         }
78:
79:         private <T> void addAssertions(T entity, EntityType<T> et,
80:                         FieldSpecification<? super T, ?> fieldSpec, Descriptor entityDescriptor,
81:                         final AxiomValueGatherer valueBuilder) throws IllegalAccessException {
82:                 final FieldStrategy<? extends FieldSpecification<? super T, ?>, T> fs = FieldStrategy
83:                                 .createFieldStrategy(et, fieldSpec, entityDescriptor.getAttributeDescriptor(fieldSpec), mapper);
84:                 fs.setCascadeResolver(cascadeResolver);
85:                 fs.buildAxiomValuesFromInstance(entity, valueBuilder);
86:         }
87:
88:         <T> AxiomValueGatherer mapFieldToAxioms(URI primaryKey, T entity, Field field, EntityType<T> et,
89:                         Descriptor descriptor) {
90:                 final FieldSpecification<? super T, ?> fieldSpec = et
91:                                 .getFieldSpecification(field.getName());
92:                 final AxiomValueGatherer valueBuilder = createAxiomValueBuilder(primaryKey, descriptor);
93:                 try {
94:                         addAssertions(entity, et, fieldSpec, descriptor, valueBuilder);
95:                 } catch (IllegalAccessException e) {
96:                         throw new EntityDeconstructionException(e);
97:                 }
98:                 return valueBuilder;
99:         }
100: }