53 lines
1.8 KiB
Java
53 lines
1.8 KiB
Java
/*******************************************************************************
|
|
* 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.deeplearning4j.earlystopping.termination;
|
|
|
|
import lombok.Data;
|
|
import lombok.NoArgsConstructor;
|
|
import org.nd4j.shade.jackson.annotation.JsonCreator;
|
|
import org.nd4j.shade.jackson.annotation.JsonProperty;
|
|
|
|
/** Terminate training if the number of epochs exceeds the maximum number of epochs */
|
|
@NoArgsConstructor
|
|
@Data
|
|
public class MaxEpochsTerminationCondition implements EpochTerminationCondition {
|
|
@JsonProperty
|
|
private int maxEpochs;
|
|
|
|
@JsonCreator
|
|
public MaxEpochsTerminationCondition(int maxEpochs) {
|
|
if (maxEpochs <= 0)
|
|
throw new IllegalArgumentException("Max number of epochs must be >= 1");
|
|
this.maxEpochs = maxEpochs;
|
|
}
|
|
|
|
@Override
|
|
public void initialize() {
|
|
//No op
|
|
}
|
|
|
|
@Override
|
|
public boolean terminate(int epochNum, double score, boolean minimize) {
|
|
return epochNum + 1 >= maxEpochs; //epochNum starts at 0
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "MaxEpochsTerminationCondition(" + maxEpochs + ")";
|
|
}
|
|
}
|