org.deeplearning4j.text.documentiterator.LabelAwareIteratorWrapper Maven / Gradle / Ivy
/*
* ******************************************************************************
* *
* *
* * 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.
* *
* * See the NOTICE file distributed with this work for additional
* * information regarding copyright ownership.
* * 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.
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* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.deeplearning4j.text.documentiterator;
import java.util.List;
public class LabelAwareIteratorWrapper implements LabelAwareIterator {
private final LabelAwareIterator delegate;
private final LabelsSource sink;
public LabelAwareIteratorWrapper(LabelAwareIterator delegate, LabelsSource sink) {
this.delegate = delegate;
this.sink = sink;
}
@Override
public boolean hasNext() {
return delegate.hasNext();
}
@Override
public boolean hasNextDocument() {
return delegate.hasNextDocument();
}
@Override
public LabelsSource getLabelsSource() {
return sink;
}
@Override
public LabelledDocument next() {
return nextDocument();
}
@Override
public void remove() {
}
@Override
public LabelledDocument nextDocument() {
LabelledDocument doc = delegate.nextDocument();
List labels = doc.getLabels();
if (labels != null) {
for (String label : labels) {
sink.storeLabel(label);
}
}
return doc;
}
@Override
public void reset() {
delegate.reset();
sink.reset();
}
@Override
public void shutdown() {}
}