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- /*
- * Copyright (c) 2006-2015 DMDirc Developers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.dmdirc.addons.time;
-
- import com.dmdirc.interfaces.WindowModel;
-
- import java.util.HashMap;
- import java.util.Map;
- import java.util.Map.Entry;
- import java.util.Set;
-
- import javax.inject.Inject;
-
- /**
- * Class to manage Timers.
- */
- public class TimerManager {
-
- /** Map of all the timers that are running. */
- private final Map<Integer, TimedCommand> timerList = new HashMap<>();
- /** The timer factory to create timers with. */
- private final TimerFactory timerFactory;
-
- @Inject
- public TimerManager(final TimerFactory timerFactory) {
- this.timerFactory = timerFactory;
- }
-
- /**
- * Adds a timer to the internal list and starts the timer.
- *
- * @param repetitions Amount of times the timer repeats
- * @param interval Interval between repetitions
- * @param command Command to be run when the timer fires
- * @param origin The frame container to use for the execution
- */
- public void addTimer(final int repetitions, final int interval,
- final String command, final WindowModel origin) {
-
- synchronized (this) {
- final int timerKey = findFreeKey();
- final TimedCommand timedCommand = new TimedCommand(this, timerKey,
- repetitions, interval, command, origin);
- timerList.put(timerKey, timedCommand);
- timedCommand.schedule(timerFactory);
- }
- }
-
- /**
- * Removes a timer from our internal list of active timers. This should only be called when a
- * timer is cancelled.
- *
- * @param timerKey Key of the timer to remove
- */
- public void removeTimer(final int timerKey) {
- timerList.remove(timerKey);
- }
-
- /**
- * Gets a list of all current active timers.
- *
- * @return Returns a set of keys for all active timers
- */
- public Set<Entry<Integer, TimedCommand>> listTimers() {
- return timerList.entrySet();
- }
-
- /**
- * Returns a list of all known Timer IDs.
- *
- * @return returns an Integer Set of Timer IDs
- */
- public Set<Integer> getTimerIDs() {
- return timerList.keySet();
- }
-
- /**
- * Locates a key in our list that is currently not being used by a timer.
- *
- * @return Returns a key that can be used for creating a new timer
- */
- private int findFreeKey() {
- int i = 0;
- while (timerList.containsKey(i)) {
- i++;
- }
- return i;
- }
-
- /**
- * Matches a Timer ID to a Timer. This will return null if there is no Timer with the provided
- * ID.
- *
- * @param id ID that we want the timer for
- *
- * @return Returns the Timer for the ID provided or null if none exist
- */
- public TimedCommand getTimerByID(final int id) {
- return timerList.get(id);
- }
-
- /**
- * Checkes if there is a timer with the provided ID.
- *
- * @param id ID that we want to check if there is a timer for
- *
- * @return Returns True iif there is a timer with the ID
- */
- public boolean hasTimerWithID(final int id) {
- return timerList.containsKey(id);
- }
-
- }
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