org.nd4j.evaluation.serde.ROCArraySerializer Maven / Gradle / Ivy
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* 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.nd4j.evaluation.serde;
import org.nd4j.evaluation.classification.ROC;
import org.nd4j.shade.jackson.core.JsonGenerator;
import org.nd4j.shade.jackson.core.JsonProcessingException;
import org.nd4j.shade.jackson.databind.JsonSerializer;
import org.nd4j.shade.jackson.databind.SerializerProvider;
import java.io.IOException;
/**
* Custom Jackson serializer for ROC[]. Simply delegates to {@link ROCSerializer} internally.
*
* @author Alex Black
*/
public class ROCArraySerializer extends JsonSerializer {
private static final ROCSerializer serializer = new ROCSerializer();
@Override
public void serialize(ROC[] rocs, JsonGenerator jsonGenerator, SerializerProvider serializerProvider)
throws IOException, JsonProcessingException {
jsonGenerator.writeStartArray();
for (ROC r : rocs) {
jsonGenerator.writeStartObject();
jsonGenerator.writeStringField("@class", ROC.class.getName());
serializer.serialize(r, jsonGenerator, serializerProvider);
jsonGenerator.writeEndObject();
}
jsonGenerator.writeEndArray();
}
}