/*
* Copyright © 2014 Cask Data, Inc.
*
* Licensed 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 co.cask.cdap.internal.app.runtime;
import co.cask.cdap.api.metrics.Metrics;
import co.cask.cdap.internal.lang.FieldVisitor;
import java.lang.reflect.Field;
import java.lang.reflect.Type;
/**
* A {@link FieldVisitor} that set Metrics fields.
*/
public final class MetricsFieldSetter extends FieldVisitor {
private final Metrics metrics;
public MetricsFieldSetter(Metrics metrics) {
this.metrics = metrics;
}
@Override
public void visit(Object instance, Type inspectType, Type declareType, Field field) throws Exception {
if (Metrics.class.equals(field.getType())) {
field.set(instance, metrics);
}
}
}