org.nd4j.linalg.dataset.adapter.MultiDataSetIteratorAdapter 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.
* *
* * SPDX-License-Identifier: Apache-2.0
* *****************************************************************************
*/
package org.nd4j.linalg.dataset.adapter;
import org.nd4j.linalg.dataset.api.MultiDataSet;
import org.nd4j.linalg.dataset.api.MultiDataSetPreProcessor;
import org.nd4j.linalg.dataset.api.iterator.MultiDataSetIterator;
public class MultiDataSetIteratorAdapter implements MultiDataSetIterator {
private org.nd4j.linalg.dataset.api.iterator.DataSetIterator iter;
private MultiDataSetPreProcessor preProcessor;
public MultiDataSetIteratorAdapter(org.nd4j.linalg.dataset.api.iterator.DataSetIterator iter) {
this.iter = iter;
}
@Override
public MultiDataSet next(int i) {
MultiDataSet mds = iter.next(i).toMultiDataSet();
if (preProcessor != null)
preProcessor.preProcess(mds);
return mds;
}
@Override
public void setPreProcessor(MultiDataSetPreProcessor multiDataSetPreProcessor) {
this.preProcessor = multiDataSetPreProcessor;
}
@Override
public MultiDataSetPreProcessor getPreProcessor() {
return preProcessor;
}
@Override
public boolean resetSupported() {
return iter.resetSupported();
}
@Override
public boolean asyncSupported() {
return iter.asyncSupported();
}
@Override
public void reset() {
iter.reset();
}
@Override
public boolean hasNext() {
return iter.hasNext();
}
@Override
public MultiDataSet next() {
MultiDataSet mds = iter.next().toMultiDataSet();
if (preProcessor != null)
preProcessor.preProcess(mds);
return mds;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
}