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/*******************************************************************************
* ============LICENSE_START=======================================================
* org.onap.dmaap
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*
*******************************************************************************/
package org.onap.dmaap.dmf.mr.service.impl;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
import com.att.nsa.metrics.CdmMeasuredItem;
import org.json.JSONObject;
import org.onap.dmaap.dmf.mr.CambriaApiException;
import org.onap.dmaap.dmf.mr.backends.MetricsSet;
import org.onap.dmaap.dmf.mr.beans.DMaaPContext;
import org.onap.dmaap.dmf.mr.service.MetricsService;
import org.onap.dmaap.dmf.mr.utils.DMaaPResponseBuilder;
import org.springframework.stereotype.Component;
import java.io.IOException;
/**
*
*
* This will provide all the generated metrics details also it can provide the
* get metrics details
*
*
* @author nilanjana.maity
*
*
*/
@Component
public class MetricsServiceImpl implements MetricsService {
private static final EELFLogger LOG = EELFManager.getInstance().getLogger(MetricsService.class);
/**
*
*
* @param ctx
* @throws IOException
*
*
* get Metric details
*
*/
@Override
public void get(DMaaPContext ctx) throws IOException {
LOG.info("Inside : MetricsServiceImpl : get()");
final MetricsSet metrics = ctx.getConfigReader().getfMetrics();
DMaaPResponseBuilder.setNoCacheHeadings(ctx);
final JSONObject result = metrics.toJson();
DMaaPResponseBuilder.respondOk(ctx, result);
LOG.info("============ Metrics generated : " + result.toString() + "=================");
}
@Override
/**
*
* get Metric by name
*
*
* @param ctx
* @param name
* @throws IOException
* @throws CambriaApiException
*
*
*/
public void getMetricByName(DMaaPContext ctx, String name) throws IOException, CambriaApiException {
LOG.info("Inside : MetricsServiceImpl : getMetricByName()");
final MetricsSet metrics = ctx.getConfigReader().getfMetrics();
final CdmMeasuredItem item = metrics.getItem(name);
/**
* check if item is null
*/
if (item == null) {
throw new CambriaApiException(404, "No metric named [" + name + "].");
}
final JSONObject entry = new JSONObject();
entry.put("summary", item.summarize());
entry.put("raw", item.getRawValueString());
DMaaPResponseBuilder.setNoCacheHeadings(ctx);
final JSONObject result = new JSONObject();
result.put(name, entry);
DMaaPResponseBuilder.respondOk(ctx, result);
LOG.info("============ Metrics generated : " + entry.toString() + "=================");
}
}
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