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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
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package org.apache.olingo.odata2.jpa.processor.core.model;
import java.lang.reflect.AnnotatedElement;
import javax.persistence.Column;
import javax.persistence.metamodel.Attribute;
import org.apache.olingo.odata2.api.edm.EdmSimpleTypeKind;
import org.apache.olingo.odata2.api.edm.provider.Facets;
import org.apache.olingo.odata2.api.edm.provider.SimpleProperty;
public class JPAEdmFacets {
public static void setFacets(final Attribute<?, ?> jpaAttribute, final SimpleProperty edmProperty) {
EdmSimpleTypeKind edmTypeKind = edmProperty.getType();
Facets facets = new Facets();
edmProperty.setFacets(facets);
Column column = null;
if (jpaAttribute.getJavaMember() instanceof AnnotatedElement) {
column = ((AnnotatedElement) jpaAttribute
.getJavaMember()).getAnnotation(Column.class);
}
if (column == null) {
return;
}
setNullable(column, edmProperty);
switch (edmTypeKind) {
case Binary:
setMaxLength(column, edmProperty);
break;
case DateTime:
setPrecision(column, edmProperty);
break;
case DateTimeOffset:
setPrecision(column, edmProperty);
break;
case Time:
setPrecision(column, edmProperty);
break;
case Decimal:
setPrecision(column, edmProperty);
setScale(column, edmProperty);
break;
case String:
setMaxLength(column, edmProperty);
break;
default:
break;
}
}
private static void setNullable(final Column column, final SimpleProperty edmProperty) {
((Facets) edmProperty.getFacets()).setNullable(column.nullable());
}
private static void setMaxLength(final Column column, final SimpleProperty edmProperty) {
if (column.length() > 0) {
((Facets) edmProperty.getFacets()).setMaxLength(column.length());
}
}
private static void setPrecision(final Column column, final SimpleProperty edmProperty) {
if (column.precision() > 0) {
((Facets) edmProperty.getFacets()).setPrecision(column.precision());
}
}
private static void setScale(final Column column, final SimpleProperty edmProperty) {
if (column.scale() > 0) {
((Facets) edmProperty.getFacets()).setScale(column.scale());
}
}
}