This improves code browsing and readability, making search by references or call hierarchy IDE features more accurate.pull/93/merge
luccioman
7 years ago
parent
da3dbf9ea1
commit
4eba88f2ff
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// OneTimeBusyThread.java
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// ---------------------------
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// Copyright 2017 by luccioman; https://github.com/luccioman
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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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 2 of the License, or
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// (at your option) any later version.
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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, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.kelondro.workflow;
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/**
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* A busy thread to run a job only once
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*/
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public abstract class OneTimeBusyThread extends InstantBusyThread {
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/**
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* Construct an instance able to run a job once, after a given delay
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* @param jobName the job name used to monitor the thread
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* @param startupDelay the delay in milliseconds to wait before starting the job
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*/
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public OneTimeBusyThread(final String jobName, final long startupDelay) {
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super(jobName, Long.MIN_VALUE, Long.MIN_VALUE);
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this.setStartupSleep(startupDelay);
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this.setIdleSleep(-1);
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this.setBusySleep(-1);
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this.setMemPreReqisite(0);
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this.setLoadPreReqisite(
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Double.MAX_VALUE); /*
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* this is called during initialization phase and some code parts depend on it;
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* therefore we cannot set a prerequisite that prevents the start of that thread
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*/
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}
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/**
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* Construct an instance able to run a job once and immediately
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* @param jobName the job name used to monitor the thread
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*/
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public OneTimeBusyThread(final String jobName) {
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this(jobName, 0);
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}
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/**
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* Construct and start a OneTimeBusyThread instance from a runnable task.
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* @param task the task to run once
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* @param startupDelay the delay in milliseconds to wait before starting the job
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* @return a OneTimeBusyThread instance
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* @throws IllegalArgumentException when the task is null
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*/
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public static OneTimeBusyThread startFromRunnable(final Runnable task, final long startupDelay) {
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if(task == null) {
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throw new IllegalArgumentException("Runnable task must not be null");
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}
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OneTimeBusyThread busyThread = new OneTimeBusyThread(task.getClass().getName() + ".run", startupDelay) {
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@Override
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public boolean jobImpl() throws Exception {
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task.run();
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return true;
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}
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};
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busyThread.start();
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return busyThread;
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}
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}
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@ -0,0 +1,53 @@
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// OnePeerPingBusyThread.java
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// ---------------------------
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// Copyright 2017 by luccioman; https://github.com/luccioman
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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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 2 of the License, or
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// (at your option) any later version.
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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, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.peers;
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import net.yacy.kelondro.workflow.OneTimeBusyThread;
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/**
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* A busy thread running peer ping only once.
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*/
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public class OnePeerPingBusyThread extends OneTimeBusyThread {
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/** Access to the peer to peer network */
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final net.yacy.peers.Network peersNetwork;
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/**
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* @param peersNetwork a net.yacy.peers.Network instance
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* @throws IllegalArgumentException when peersNetwork is null
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*/
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public OnePeerPingBusyThread(final net.yacy.peers.Network peersNetwork) {
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super("Network.peerPing");
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if(peersNetwork == null) {
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throw new IllegalArgumentException("peersNetwork parameter must not be null");
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}
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this.peersNetwork = peersNetwork;
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}
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@Override
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public boolean jobImpl() throws Exception {
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this.peersNetwork.peerPing();
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return true;
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}
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}
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