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MongoDB support for Spring Data
/*
* Copyright 2014 the original author or authors.
*
* 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.springframework.data.mongodb.core.convert;
import org.springframework.data.mapping.model.SpELExpressionEvaluator;
import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
import com.mongodb.DBObject;
/**
* Default implementation of {@link DbRefResolverCallback}.
*
* @author Oliver Gierke
*/
class DefaultDbRefResolverCallback implements DbRefResolverCallback {
private final DBObject surroundingObject;
private final ObjectPath path;
private final ValueResolver resolver;
private final SpELExpressionEvaluator evaluator;
/**
* Creates a new {@link DefaultDbRefResolverCallback} using the given {@link DBObject}, {@link ObjectPath},
* {@link ValueResolver} and {@link SpELExpressionEvaluator}.
*
* @param surroundingObject must not be {@literal null}.
* @param path must not be {@literal null}.
* @param evaluator must not be {@literal null}.
* @param resolver must not be {@literal null}.
*/
public DefaultDbRefResolverCallback(DBObject surroundingObject, ObjectPath path, SpELExpressionEvaluator evaluator,
ValueResolver resolver) {
this.surroundingObject = surroundingObject;
this.path = path;
this.resolver = resolver;
this.evaluator = evaluator;
}
/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.convert.DbRefResolverCallback#resolve(org.springframework.data.mongodb.core.mapping.MongoPersistentProperty)
*/
@Override
public Object resolve(MongoPersistentProperty property) {
return resolver.getValueInternal(property, surroundingObject, evaluator, path);
}
}