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Add an EstimateHistogramWrapper

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The EstimatedHistogramWrapper is a helper class that holds the API
related data, so that a class that uses an EstimatedHistogram can
replace it with the wrapper and keep most of its code as is.

Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
This commit is contained in:
Amnon Heiman 2015-10-21 12:29:58 +03:00
parent a7c30493cd
commit 6df716e5f7
1 changed files with 55 additions and 0 deletions
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src/main/java/org/apache/cassandra/metrics/EstimatedHistogramWrapper.java Normal file
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package org.apache.cassandra.metrics;
/*
* Copyright (C) 2015 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
import javax.ws.rs.core.MultivaluedMap;
import com.cloudius.urchin.api.APIClient;
import com.cloudius.urchin.utils.EstimatedHistogram;
public class EstimatedHistogramWrapper {
private APIClient c = new APIClient();
private String url;
private MultivaluedMap<String, String> queryParams;
private static final int DURATION = 50;
private int duration;
public EstimatedHistogramWrapper(String url, MultivaluedMap<String, String> queryParams, int duration) {
this.url = url;
this.queryParams = queryParams;
this.duration = duration;
}
public EstimatedHistogramWrapper(String url) {
this(url, null, DURATION);
}
public EstimatedHistogramWrapper(String url, int duration) {
this(url, null, duration);
}
public EstimatedHistogram get() {
return c.getEstimatedHistogram(url, queryParams, duration);
}
public long[] getBuckets(boolean reset) {
return get().getBuckets(reset);
}
}