org.datavec.local.transforms.misc.StringToWritablesFunction Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available 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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.datavec.local.transforms.misc;
import lombok.AllArgsConstructor;
import org.datavec.api.records.reader.RecordReader;
import org.datavec.api.split.StringSplit;
import org.datavec.api.writable.Writable;
import org.nd4j.linalg.function.Function;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
/**
* Convert a String to a List using a DataVec record reader
*
*/
@AllArgsConstructor
public class StringToWritablesFunction implements Function> {
private RecordReader recordReader;
@Override
public List apply(String s) {
try {
recordReader.initialize(new StringSplit(s));
} catch (IOException e) {
throw new RuntimeException(e);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException(e);
}
Collection next = recordReader.next();
if (next instanceof List)
return (List) next;
return new ArrayList<>(next);
}
}