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Plural datatype property support - OOM implementation.
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33 changes: 33 additions & 0 deletions
33
jopa-impl/src/main/java/cz/cvut/kbss/jopa/oom/DataPropertyFieldStrategy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| package cz.cvut.kbss.jopa.oom; | ||
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| import cz.cvut.kbss.jopa.model.descriptors.Descriptor; | ||
| import cz.cvut.kbss.jopa.model.metamodel.Attribute; | ||
| import cz.cvut.kbss.jopa.model.metamodel.EntityType; | ||
| import cz.cvut.kbss.ontodriver.model.Assertion; | ||
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| abstract class DataPropertyFieldStrategy<X> extends FieldStrategy<Attribute<? super X, ?>, X> { | ||
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| DataPropertyFieldStrategy(EntityType<X> et, Attribute<? super X, ?> att, Descriptor attributeDescriptor, | ||
| EntityMappingHelper mapper) { | ||
| super(et, att, attributeDescriptor, mapper); | ||
| } | ||
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| boolean isValidRange(Object value) { | ||
| return attribute.getJavaType().isAssignableFrom(value.getClass()) || isFieldEnum(); | ||
| } | ||
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| boolean isFieldEnum() { | ||
| final Class<?> cls = attribute.getJavaField().getType(); | ||
| return cls.isEnum(); | ||
| } | ||
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| Object resolveEnumValue(Object value) { | ||
| final Class cls = attribute.getJavaField().getType(); | ||
| return Enum.valueOf(cls, value.toString()); | ||
| } | ||
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| @Override | ||
| Assertion createAssertion() { | ||
| return Assertion.createDataPropertyAssertion(attribute.getIRI().toURI(), attribute.isInferred()); | ||
| } | ||
| } |
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58
jopa-impl/src/main/java/cz/cvut/kbss/jopa/oom/PluralDataPropertyStrategy.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| package cz.cvut.kbss.jopa.oom; | ||
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| import cz.cvut.kbss.jopa.model.descriptors.Descriptor; | ||
| import cz.cvut.kbss.jopa.model.metamodel.EntityType; | ||
| import cz.cvut.kbss.jopa.model.metamodel.PluralAttribute; | ||
| import cz.cvut.kbss.jopa.utils.CollectionFactory; | ||
| import cz.cvut.kbss.ontodriver.model.Axiom; | ||
| import cz.cvut.kbss.ontodriver.model.Value; | ||
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| import java.util.Collection; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
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| public class PluralDataPropertyStrategy<X> extends DataPropertyFieldStrategy<X> { | ||
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| private PluralAttribute<? super X, ?, ?> pluralAtt; | ||
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| private Collection<Object> values; | ||
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| PluralDataPropertyStrategy(EntityType<X> et, PluralAttribute<? super X, ?, ?> att, Descriptor attributeDescriptor, | ||
| EntityMappingHelper mapper) { | ||
| super(et, att, attributeDescriptor, mapper); | ||
| this.pluralAtt = att; | ||
| this.values = CollectionFactory.createDefaultCollection(pluralAtt.getCollectionType()); | ||
| } | ||
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| @Override | ||
| void addValueFromAxiom(Axiom<?> ax) { | ||
| final Object value = ax.getValue().getValue(); | ||
| if (isValidRange(value)) { | ||
| this.values.add(value); | ||
| } | ||
| } | ||
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| boolean isValidRange(Object value) { | ||
| return pluralAtt.getElementType().getJavaType().isAssignableFrom(value.getClass()); | ||
| } | ||
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| @Override | ||
| void buildInstanceFieldValue(Object instance) throws IllegalAccessException { | ||
| if (!values.isEmpty()) { | ||
| setValueOnInstance(instance, values); | ||
| } | ||
| } | ||
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| @Override | ||
| void buildAxiomValuesFromInstance(X instance, AxiomValueGatherer valueBuilder) throws IllegalAccessException { | ||
| final Object value = extractFieldValueFromInstance(instance); | ||
| assert value instanceof Collection || value == null; | ||
| final Collection<?> valueCollection = (Collection<?>) value; | ||
| if (valueCollection == null || valueCollection.isEmpty()) { | ||
| valueBuilder.addValue(createAssertion(), Value.nullValue(), getAttributeContext()); | ||
| } else { | ||
| final Set<Value<?>> assertionValues = valueCollection.stream().map(Value::new).collect(Collectors.toSet()); | ||
| valueBuilder.addValues(createAssertion(), assertionValues, getAttributeContext()); | ||
| } | ||
| } | ||
| } |
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