/*
* Copyright 2013-2014 the original author or authors.
*
* 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 org.springframework.xd.analytics.metrics.metadata;
import javax.validation.constraints.AssertFalse;
//import org.springframework.xd.module.options.spi.Mixin;
//import org.springframework.xd.module.options.spi.ModuleOption;
/**
* Captures options for the {@code rich-gauge} sink module.
*
* @author Eric Bottard
*/
//@Mixin(MetricNameMixin.class)
public class RichGaugeSinkOptionsMetadata {
private double alpha = -1.0D;
public double getAlpha() {
return alpha;
}
@AssertFalse(message = "must be strictly between 0 and 1, or use -1 for arithmetic mean")
public boolean isInvalidAlpha() {
return alpha != -1 && (alpha <= 0.0 || alpha >= 1.0);
}
//@ModuleOption("smoothing constant, or -1 to use arithmetic mean")
public void setAlpha(double alpha) {
this.alpha = alpha;
}
}