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MongoDB support for Spring Data
/*
* Copyright 2018-2020 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
*
* https://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.validation;
import lombok.AccessLevel;
import lombok.EqualsAndHashCode;
import lombok.RequiredArgsConstructor;
import org.bson.Document;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.CriteriaDefinition;
import org.springframework.data.mongodb.core.query.SerializationUtils;
import org.springframework.util.Assert;
/**
* {@link Validator} implementation based on {@link CriteriaDefinition query expressions}.
*
* @author Andreas Zink
* @author Christoph Strobl
* @since 2.1
* @see Criteria
* @see Schema Validation
*/
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
@EqualsAndHashCode
class CriteriaValidator implements Validator {
private final CriteriaDefinition criteria;
/**
* Creates a new {@link Validator} object, which is basically setup of query operators, based on a
* {@link CriteriaDefinition} instance.
*
* @param criteria the criteria to build the {@code validator} from. Must not be {@literal null}.
* @return new instance of {@link CriteriaValidator}.
* @throws IllegalArgumentException when criteria is {@literal null}.
*/
static CriteriaValidator of(CriteriaDefinition criteria) {
Assert.notNull(criteria, "Criteria must not be null!");
return new CriteriaValidator(criteria);
}
/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.validation.Validator#toDocument()
*/
@Override
public Document toDocument() {
return criteria.getCriteriaObject();
}
/*
* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return SerializationUtils.serializeToJsonSafely(toDocument());
}
}