org.neo4j.jdbc.values.ValueUtils Maven / Gradle / Ivy
/*
* Copyright (c) 2023-2024 "Neo4j,"
* Neo4j Sweden AB [https://neo4j.com]
*
* This file is part of Neo4j.
*
* 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.neo4j.jdbc.values;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.function.Function;
final class ValueUtils {
private ValueUtils() {
throw new UnsupportedOperationException();
}
static Map map(Record record, Function mapFunction) {
var size = record.size();
switch (size) {
case 0 -> {
return Collections.emptyMap();
}
case 1 -> {
return Collections.singletonMap(record.keys().get(0), mapFunction.apply(record.get(0)));
}
default -> {
Map map = new LinkedHashMap<>(size);
var keys = record.keys();
for (var i = 0; i < size; i++) {
map.put(keys.get(i), mapFunction.apply(record.get(i)));
}
return Collections.unmodifiableMap(map);
}
}
}
}