/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file 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 org.apache.nifi.record.path.paths;
import java.util.stream.Stream;
import org.apache.nifi.record.path.FieldValue;
import org.apache.nifi.record.path.RecordPathEvaluationContext;
import org.apache.nifi.record.path.StandardFieldValue;
import org.apache.nifi.serialization.record.RecordField;
import org.apache.nifi.serialization.record.RecordFieldType;
public class RootPath extends RecordPathSegment {
private static final String PATH = "";
public RootPath() {
super(PATH, null, true);
}
@Override
public Stream<FieldValue> evaluate(final RecordPathEvaluationContext context) {
final RecordField field = new RecordField("root", RecordFieldType.RECORD.getRecordDataType(context.getRecord().getSchema()));
final FieldValue fieldValue = new StandardFieldValue(context.getRecord(), field, null);
return Stream.of(fieldValue);
}
}