org.bson.codecs.pojo.IdPropertyModelHolder Maven / Gradle / Ivy
/*
* Copyright 2008-present MongoDB, Inc.
*
* Licensed 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 specific language governing permissions and
* limitations under the License.
*/
package org.bson.codecs.pojo;
import org.bson.codecs.configuration.CodecConfigurationException;
import java.util.Objects;
import static java.lang.String.format;
final class IdPropertyModelHolder {
private final PropertyModel propertyModel;
private final IdGenerator idGenerator;
static IdPropertyModelHolder create(final ClassModel classModel, final PropertyModel idPropertyModel) {
return create(classModel.getType(), idPropertyModel, classModel.getIdPropertyModelHolder().getIdGenerator());
}
@SuppressWarnings("unchecked")
static IdPropertyModelHolder create(final Class type, final PropertyModel idProperty,
final IdGenerator idGenerator) {
if (idProperty == null && idGenerator != null) {
throw new CodecConfigurationException(format("Invalid IdGenerator. There is no IdProperty set for: %s", type));
} else if (idGenerator != null && !idProperty.getTypeData().getType().isAssignableFrom(idGenerator.getType())) {
throw new CodecConfigurationException(format("Invalid IdGenerator. Mismatching types, the IdProperty type is: %s but"
+ " the IdGenerator type is: %s", idProperty.getTypeData().getType(), idGenerator.getType()));
}
return new IdPropertyModelHolder<>(idProperty, (IdGenerator) idGenerator);
}
private IdPropertyModelHolder(final PropertyModel propertyModel, final IdGenerator idGenerator) {
this.propertyModel = propertyModel;
this.idGenerator = idGenerator;
}
PropertyModel getPropertyModel() {
return propertyModel;
}
IdGenerator getIdGenerator() {
return idGenerator;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
IdPropertyModelHolder that = (IdPropertyModelHolder) o;
if (!Objects.equals(propertyModel, that.propertyModel)) {
return false;
}
return Objects.equals(idGenerator, that.idGenerator);
}
@Override
public int hashCode() {
int result = propertyModel != null ? propertyModel.hashCode() : 0;
result = 31 * result + (idGenerator != null ? idGenerator.hashCode() : 0);
return result;
}
}