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chris@1
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/*
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chris@1
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* SONEWS News Server
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* see AUTHORS for the list of contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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chris@1
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sonews.util;
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import java.util.Calendar;
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chris@3
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import org.sonews.config.Config;
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import org.sonews.storage.Channel;
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import org.sonews.storage.StorageBackendException;
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import org.sonews.storage.StorageManager;
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/**
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* Class that capsulates statistical data gathering.
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chris@1
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* @author Christian Lins
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* @since sonews/0.5.0
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*/
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cli@37
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public final class Stats
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chris@1
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{
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chris@1
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cli@37
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public static final byte CONNECTIONS = 1;
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cli@37
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public static final byte POSTED_NEWS = 2;
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cli@37
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public static final byte GATEWAYED_NEWS = 3;
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cli@37
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public static final byte FEEDED_NEWS = 4;
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cli@37
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public static final byte MLGW_RUNSTART = 5;
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cli@37
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public static final byte MLGW_RUNEND = 6;
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cli@37
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private static Stats instance = new Stats();
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chris@3
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cli@37
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public static Stats getInstance()
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{
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cli@37
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return Stats.instance;
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cli@37
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}
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cli@31
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cli@37
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private Stats()
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cli@37
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{
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cli@37
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}
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cli@37
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private volatile int connectedClients = 0;
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cli@37
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cli@37
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/**
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* A generic method that writes event data to the storage backend.
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cli@37
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* If event logging is disabled with sonews.eventlog=false this method
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* simply does nothing.
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cli@37
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* @param type
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cli@37
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* @param groupname
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cli@37
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*/
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cli@37
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private void addEvent(byte type, String groupname)
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cli@37
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{
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cli@37
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try {
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cli@37
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if (Config.inst().get(Config.EVENTLOG, true)) {
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cli@37
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cli@37
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Channel group = Channel.getByName(groupname);
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cli@37
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if (group != null) {
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StorageManager.current().addEvent(
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System.currentTimeMillis(), type, group.getInternalID());
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cli@37
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}
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cli@37
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} else {
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Log.get().info("Group " + groupname + " does not exist.");
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cli@37
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}
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cli@37
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} catch (StorageBackendException ex) {
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ex.printStackTrace();
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}
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}
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cli@37
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public void clientConnect()
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{
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this.connectedClients++;
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}
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cli@37
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cli@37
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public void clientDisconnect()
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cli@37
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{
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this.connectedClients--;
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cli@37
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}
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cli@37
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cli@37
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public int connectedClients()
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cli@37
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{
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return this.connectedClients;
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cli@37
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}
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cli@37
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cli@37
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public int getNumberOfGroups()
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cli@37
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{
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cli@37
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try {
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return StorageManager.current().countGroups();
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cli@37
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} catch (StorageBackendException ex) {
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ex.printStackTrace();
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cli@37
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return -1;
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}
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cli@37
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}
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cli@37
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public int getNumberOfNews()
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{
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cli@37
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try {
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return StorageManager.current().countArticles();
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cli@37
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} catch (StorageBackendException ex) {
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ex.printStackTrace();
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return -1;
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cli@37
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}
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}
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cli@37
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public int getYesterdaysEvents(final byte eventType, final int hour,
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final Channel group)
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{
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// Determine the timestamp values for yesterday and the given hour
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Calendar cal = Calendar.getInstance();
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int year = cal.get(Calendar.YEAR);
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int month = cal.get(Calendar.MONTH);
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int dayom = cal.get(Calendar.DAY_OF_MONTH) - 1; // Yesterday
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cal.set(year, month, dayom, hour, 0, 0);
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long startTimestamp = cal.getTimeInMillis();
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cal.set(year, month, dayom, hour + 1, 0, 0);
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long endTimestamp = cal.getTimeInMillis();
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cli@37
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try {
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return StorageManager.current().getEventsCount(eventType, startTimestamp, endTimestamp, group);
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} catch (StorageBackendException ex) {
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ex.printStackTrace();
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return -1;
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}
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}
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cli@37
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public void mailPosted(String groupname)
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{
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addEvent(POSTED_NEWS, groupname);
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}
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public void mailGatewayed(String groupname)
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{
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addEvent(GATEWAYED_NEWS, groupname);
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}
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cli@37
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public void mailFeeded(String groupname)
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{
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addEvent(FEEDED_NEWS, groupname);
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cli@37
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}
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cli@37
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cli@37
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public void mlgwRunStart()
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cli@37
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{
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addEvent(MLGW_RUNSTART, "control");
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cli@37
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}
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cli@37
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cli@37
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public void mlgwRunEnd()
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cli@37
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{
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addEvent(MLGW_RUNEND, "control");
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cli@37
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}
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cli@37
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cli@37
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private double perHour(int key, long gid)
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cli@37
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{
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cli@37
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try {
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return StorageManager.current().getEventsPerHour(key, gid);
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cli@37
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} catch (StorageBackendException ex) {
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cli@37
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ex.printStackTrace();
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cli@37
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return -1;
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cli@37
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}
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cli@37
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}
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cli@37
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cli@37
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public double postedPerHour(long gid)
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{
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return perHour(POSTED_NEWS, gid);
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}
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cli@37
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cli@37
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public double gatewayedPerHour(long gid)
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cli@37
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{
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cli@37
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return perHour(GATEWAYED_NEWS, gid);
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cli@37
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}
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cli@37
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cli@37
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public double feededPerHour(long gid)
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cli@37
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{
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cli@37
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return perHour(FEEDED_NEWS, gid);
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cli@37
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}
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chris@1
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}
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