com.datastax.dse.driver.internal.core.graph.CqlCollectionPredicate Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
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* to you 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 com.datastax.dse.driver.internal.core.graph;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import java.util.Collection;
import java.util.Map;
import java.util.Objects;
import org.javatuples.Pair;
/** Predicates that can be used on CQL Collections. */
public enum CqlCollectionPredicate implements DsePredicate {
contains {
@Override
public boolean test(Object value, Object condition) {
preEvaluate(condition);
Preconditions.checkArgument(value instanceof Collection);
return ((Collection) value).contains(condition);
}
},
containsKey {
@Override
public boolean test(Object value, Object condition) {
preEvaluate(condition);
Preconditions.checkArgument(value instanceof Map);
return ((Map) value).containsKey(condition);
}
},
containsValue {
@Override
public boolean test(Object value, Object condition) {
preEvaluate(condition);
Preconditions.checkArgument(value instanceof Map);
return ((Map) value).containsValue(condition);
}
},
entryEq {
@Override
public boolean test(Object value, Object condition) {
preEvaluate(condition);
Preconditions.checkArgument(condition instanceof Pair);
Preconditions.checkArgument(value instanceof Map);
Pair pair = (Pair) condition;
Map map = (Map) value;
return Objects.equals(map.get(pair.getValue0()), pair.getValue1());
}
};
@Override
public boolean isValidCondition(Object condition) {
if (condition instanceof Pair) {
Pair pair = (Pair) condition;
return pair.getValue0() != null && pair.getValue1() != null;
}
return condition != null;
}
}