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Data types package for Neo4j Procedures
/*
* Copyright (c) "Neo4j"
* Neo4j Sweden AB [http://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
*
* 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 apoc.util;
import java.util.Map;
import java.util.stream.Collectors;
import org.neo4j.graphalgo.impl.util.PathImpl;
import org.neo4j.graphdb.Entity;
import org.neo4j.graphdb.Path;
import org.neo4j.graphdb.Relationship;
import org.neo4j.graphdb.Transaction;
import org.neo4j.internal.helpers.collection.Iterables;
public class EntityUtil {
public static T anyRebind(Transaction tx, T any) {
if (any instanceof Map) {
return (T) ((Map) any)
.entrySet().stream().collect(Collectors.toMap(e -> e.getKey(), e -> anyRebind(tx, e.getValue())));
}
if (any instanceof Path) {
final Path path = (Path) any;
PathImpl.Builder builder = new PathImpl.Builder(Util.rebind(tx, path.startNode()));
for (Relationship rel : path.relationships()) {
builder = builder.push(Util.rebind(tx, rel));
}
return (T) builder.build();
}
if (any instanceof Iterable) {
return (T)
Iterables.stream((Iterable) any).map(i -> anyRebind(tx, i)).collect(Collectors.toList());
}
if (any instanceof Entity) {
return (T) Util.rebind(tx, (Entity) any);
}
return any;
}
}
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