/*
* 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 org.apache.activemq.artemis.api.core.management;
import javax.json.JsonArray;
import javax.json.JsonArrayBuilder;
import javax.json.JsonObject;
import javax.json.JsonObjectBuilder;
import org.apache.activemq.artemis.api.core.JsonUtil;
import org.apache.activemq.artemis.utils.JsonLoader;
/**
* Helper class to create Java Objects from the
* JSON serialization returned by {@link QueueControl#listMessageCounterHistory()}.
*/
public final class DayCounterInfo {
private final String date;
private final long[] counters;
// Static --------------------------------------------------------
public static String toJSON(final DayCounterInfo[] infos) {
JsonObjectBuilder json = JsonLoader.createObjectBuilder();
JsonArrayBuilder counters = JsonLoader.createArrayBuilder();
for (DayCounterInfo info : infos) {
JsonArrayBuilder counter = JsonLoader.createArrayBuilder();
for (long c : info.getCounters()) {
counter.add(c);
}
JsonObjectBuilder dci = JsonLoader.createObjectBuilder().add("date", info.getDate()).add("counters", counter);
counters.add(dci);
}
json.add("dayCounters", counters);
return json.build().toString();
}
/**
* Returns an array of RoleInfo corresponding to the JSON serialization returned
* by {@link QueueControl#listMessageCounterHistory()}.
*/
public static DayCounterInfo[] fromJSON(final String jsonString) {
JsonObject json = JsonUtil.readJsonObject(jsonString);
JsonArray dayCounters = json.getJsonArray("dayCounters");
DayCounterInfo[] infos = new DayCounterInfo[dayCounters.size()];
for (int i = 0; i < dayCounters.size(); i++) {
JsonObject counter = (JsonObject) dayCounters.get(i);
JsonArray hour = counter.getJsonArray("counters");
long[] hourCounters = new long[24];
for (int j = 0; j < 24; j++) {
hourCounters[j] = hour.getInt(j);
}
DayCounterInfo info = new DayCounterInfo(counter.getString("date"), hourCounters);
infos[i] = info;
}
return infos;
}
// Constructors --------------------------------------------------
public DayCounterInfo(final String date, final long[] counters) {
this.date = date;
this.counters = counters;
}
// Public --------------------------------------------------------
/**
* Returns the date of the counter.
*/
public String getDate() {
return date;
}
/**
* Returns a 24-length array corresponding to the number of messages added to the queue
* for the given hour of the day.
*/
public long[] getCounters() {
return counters;
}
}