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Cassandra support for Spring Data
/*
* Copyright 2017-2020 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.cassandra.core.query;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
/**
* Default implementation of {@link Filter}.
*
* @author Mark Paluch
* @see org.springframework.data.cassandra.core.query.Filter
* @since 2.0
*/
class DefaultFilter implements Filter {
private final Iterable criteriaDefinitions;
@SuppressWarnings({ "unchecked", "rawtypes" })
DefaultFilter(Iterable criteriaDefinitions) {
this.criteriaDefinitions = (Iterable) criteriaDefinitions;
}
/* (non-Javadoc)
* @see org.springframework.data.cassandra.core.query.Filter#getCriteriaDefinitions()
*/
@Override
public Iterable getCriteriaDefinitions() {
return criteriaDefinitions;
}
/* (non-Javadoc)
* @see java.lang.Object#toString()
*/
@Override
public String toString() {
return StreamSupport.stream(this.spliterator(), false) //
.map(SerializationUtils::serializeToCqlSafely) //
.collect(Collectors.joining(" AND "));
}
}