opennlp.tools.ml.model.Event Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://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.
*/
package opennlp.tools.ml.model;
import java.util.Objects;
/**
* The context of a decision point during training. This includes
* contextual predicates and an outcome.
*/
public class Event {
private final String outcome;
private final String[] context;
private final float[] values;
public Event(String outcome, String[] context) {
this(outcome,context,null);
}
public Event(String outcome, String[] context, float[] values) {
this.outcome = Objects.requireNonNull(outcome, "outcome must not be null");
this.context = Objects.requireNonNull(context, "context must not be null");
this.values = values;
}
public String getOutcome() {
return outcome;
}
public String[] getContext() {
return context;
}
public float[] getValues() {
return values;
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(outcome).append(" [");
if (context.length > 0) {
sb.append(context[0]);
if (values != null) {
sb.append("=").append(values[0]);
}
}
for (int ci = 1; ci < context.length; ci++) {
sb.append(" ").append(context[ci]);
if (values != null) {
sb.append("=").append(values[ci]);
}
}
sb.append("]");
return sb.toString();
}
}