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/*
* Copyright (c) 2007 through 2024 David Berkman
*
* This file is part of the SmallMind Code Project.
*
* The SmallMind Code Project is free software, you can redistribute
* it and/or modify it under either, at your discretion...
*
* 1) The terms of GNU Affero General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* ...or...
*
* 2) The terms of the Apache License, Version 2.0.
*
* The SmallMind Code Project is distributed in the hope that it will
* be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License or Apache License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* and the Apache License along with the SmallMind Code Project. If not, see
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*
* Additional permission under the GNU Affero GPL version 3 section 7
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* If you modify this Program, or any covered work, by linking or
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package org.smallmind.mongodb.throng.mapping;
import java.lang.reflect.InvocationTargetException;
import org.bson.codecs.Codec;
import org.bson.codecs.configuration.CodecConfigurationException;
import org.bson.codecs.configuration.CodecRegistry;
import org.smallmind.mongodb.throng.ThrongMappingException;
import org.smallmind.mongodb.throng.lifecycle.ThrongLifecycle;
import org.smallmind.mongodb.throng.mapping.annotation.Entity;
import org.smallmind.mongodb.throng.mapping.annotation.Id;
import org.smallmind.mongodb.throng.mapping.annotation.Polymorphic;
import org.smallmind.nutsnbolts.reflection.FieldAccessor;
import org.smallmind.nutsnbolts.reflection.FieldUtility;
public class ThrongEntity extends ThrongProperties {
private final ThrongLifecycle lifecycle;
private final String collection;
private ThrongProperty idProperty;
public ThrongEntity (Class entityClass, Entity entityAnnotation, CodecRegistry codecRegistry, EmbeddedReferences embeddedReferences, boolean storeNulls)
throws ThrongMappingException, NoSuchMethodException, InstantiationException, IllegalAccessException, InvocationTargetException {
super(entityClass, codecRegistry, embeddedReferences, storeNulls);
// check for misuse of the polymorphic annotation
if (entityClass.getAnnotation(Polymorphic.class) != null) {
throw new ThrongMappingException("Only @Embedded classes may be marked as @Polymorphic");
}
collection = entityAnnotation.value();
lifecycle = new ThrongLifecycle<>(entityClass);
for (FieldAccessor fieldAccessor : FieldUtility.getFieldAccessors(entityClass)) {
Id idAnnotation;
if ((idAnnotation = fieldAccessor.getField().getAnnotation(Id.class)) != null) {
if (containsKey(fieldAccessor.getName())) {
throw new ThrongMappingException("The field(%s) in entity(%s) can't be both an 'id' and a 'property'", fieldAccessor.getName(), fieldAccessor.getType().getName(), entityClass.getName());
} else if (idProperty != null) {
throw new ThrongMappingException("The entity(%s) has multiple 'id' fields defined", entityClass.getName());
} else {
try {
Codec idCodec;
if ((idCodec = codecRegistry.get(CodecUtility.getReifiedType(entityClass, fieldAccessor))) == null) {
throw new ThrongMappingException("No known codec for id(%s) of type(%s) in entity(%s)", fieldAccessor.getName(), fieldAccessor.getType().getName(), entityClass.getName());
} else {
idProperty = new ThrongProperty(fieldAccessor, idCodec, idAnnotation.value());
}
} catch (CodecConfigurationException codecConfigurationException) {
throw new ThrongMappingException("No known codec for id(%s) of type(%s) in entity(%s)", fieldAccessor.getName(), fieldAccessor.getType().getName(), entityClass.getName());
}
}
}
}
if (idProperty == null) {
throw new ThrongMappingException("The entity(%s) has no 'id' field defined", entityClass.getName());
}
}
public String getCollection () {
return collection;
}
public ThrongProperty getIdProperty () {
return idProperty;
}
public ThrongLifecycle getLifecycle () {
return lifecycle;
}
}
