diff options
| author | Paul Buetow <paul@buetow.org> | 2025-06-12 21:19:36 +0300 |
|---|---|---|
| committer | Paul Buetow <paul@buetow.org> | 2025-06-12 21:19:36 +0300 |
| commit | 5c5f252d5c7a2bdfefd4fbe54a7ae64537a64874 (patch) | |
| tree | 1a4741441c7463cd3b5c97cca98fbfd1bc91519f /sources/protocols/implementations/VSTwoPhaseCommitProtocol.java | |
| parent | ea4f22311b639561856f37c8ac872af2cd9d55dd (diff) | |
Restructure project to use Maven exclusively and bump to v1.0.1-SNAPSHOT
- Remove legacy Ant build system (build.xml, sources/ directory)
- Migrate to Maven-only build with standard directory structure
- Add comprehensive Maven documentation and JAVA_HOME setup for Fedora
- Update pom.xml with exec plugin and bump version to 1.0.1-SNAPSHOT
- Add CLAUDE.md for development guidance
- Update README.md with detailed build/run/clean instructions
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>
Diffstat (limited to 'sources/protocols/implementations/VSTwoPhaseCommitProtocol.java')
| -rw-r--r-- | sources/protocols/implementations/VSTwoPhaseCommitProtocol.java | 196 |
1 files changed, 0 insertions, 196 deletions
diff --git a/sources/protocols/implementations/VSTwoPhaseCommitProtocol.java b/sources/protocols/implementations/VSTwoPhaseCommitProtocol.java deleted file mode 100644 index 8f9e4a3..0000000 --- a/sources/protocols/implementations/VSTwoPhaseCommitProtocol.java +++ /dev/null @@ -1,196 +0,0 @@ -package protocols.implementations; - -import java.util.ArrayList; -import java.util.Vector; - -import core.VSMessage; -import protocols.VSAbstractProtocol; - -/** - * The class VSTwoPhaseCommitProtocol, an implementation of the two phase - * commit protocol. - * - * @author Paul C. Buetow - */ -public class VSTwoPhaseCommitProtocol extends VSAbstractProtocol { - /** - * Instantiates a two phase commit protocol object. - */ - public VSTwoPhaseCommitProtocol() { - super(VSAbstractProtocol.HAS_ON_SERVER_START); - setClassname(getClass().toString()); - } - - /** PIDs of all processes which still have to vote */ - private ArrayList<Integer> votePids; - - /** PIDs of all processes which have to acknowledge that they recv the - * global vote result - */ - private ArrayList<Integer> ackPids; - - /** The gloal vote result */ - private boolean voteResult; - - /* (non-Javadoc) - * @see events.VSAbstractProtocol#onServerInit() - */ - public void onServerInit() { - Vector<Integer> vec = new Vector<Integer>(); - vec.add(2); - vec.add(3); - - initVector("pids", vec, "PIDs beteiligter Prozesse"); - initLong("timeout", 2500, "Zeit bis erneute Anfrage", "ms"); - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onServerReset() - */ - public void onServerReset() { - if (votePids != null) { - voteResult = true; - votePids.clear(); - votePids.addAll(getVector("pids")); - ackPids.clear(); - ackPids.addAll(getVector("pids")); - } - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onServerStart() - */ - public void onServerStart() { - if (votePids == null) { - voteResult = true; - votePids = new ArrayList<Integer>(); - votePids.addAll(getVector("pids")); - ackPids = new ArrayList<Integer>(); - ackPids.addAll(getVector("pids")); - } - - if (votePids.size() != 0) { - long timeout = getLong("timeout") + process.getTime(); - /* Will run onServerSchedule() at the specified local time */ - scheduleAt(timeout); - - VSMessage message = new VSMessage(); - message.setBoolean("wantVote", true); - sendMessage(message); - - } else if (ackPids.size() != 0) { - long timeout = getLong("timeout") + process.getTime(); - /* Will run onServerSchedule() at the specified local time */ - scheduleAt(timeout); - - VSMessage message = new VSMessage(); - message.setBoolean("isVoteResult", true); - message.setBoolean("voteResult", voteResult); - sendMessage(message); - } - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onServerRecv(core.VSMessage) - */ - public void onServerRecv(VSMessage recvMessage) { - if (votePids.size() != 0 && recvMessage.getBoolean("isVote")) { - Integer pid = recvMessage.getIntegerObj("pid"); - if (votePids.contains(pid)) - votePids.remove(pid); - else - return; - - boolean vote = recvMessage.getBoolean("vote"); - log("Vote from process " + pid + " received! Result: " + vote); - - if (!vote) - voteResult = false; - - if (votePids.size() == 0) { - log("Votes from all involved processes received! Global result: " + voteResult); - - /* Remove the active schedule which has been created in the - onServerStart method */ - removeSchedules(); - /* Create a new schedule and send the vote result */ - onServerStart(); - } - - } else if (ackPids.size() != 0 && recvMessage.getBoolean("isAck")) { - Integer pid = recvMessage.getIntegerObj("pid"); - if (ackPids.contains(pid)) - ackPids.remove(pid); - else - return; - - if (ackPids.size() == 0) { - /* Remove the active schedule which has been created in the - onServerStart method */ - removeSchedules(); - log("All participants have received the vote"); - } - } - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onServerSchedule() - */ - public void onServerSchedule() { - onServerStart(); - } - - /* Server variables */ - private boolean voteSent; - private boolean myVote; - - /* (non-Javadoc) - * @see events.VSAbstractProtocol#onClientInit() - */ - public void onClientInit() { - initInteger("ackProb", 50, "Festschreibw'keit", 0, 100, "%"); - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onClientReset() - */ - public void onClientReset() { - voteSent = false; - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onClientRecv(core.VSMessage) - */ - public void onClientRecv(VSMessage recvMessage) { - if (recvMessage.getBoolean("wantVote")) { - if (!voteSent) { - voteSent = true; - myVote = process.getRandomPercentage() <= getInteger("ackProb"); - } - - VSMessage message = new VSMessage(); - message.setBoolean("isVote", true); - message.setBoolean("vote", myVote); - message.setInteger("pid", process.getProcessID()); - sendMessage(message); - - log("Vote " + myVote + " sent"); - - - } else if (recvMessage.getBoolean("isVoteResult")) { - boolean voteResult = recvMessage.getBoolean("voteResult"); - log("Global voting result received. Result: " + voteResult); - - VSMessage message = new VSMessage(); - message.setBoolean("isAck", true); - message.setInteger("pid", process.getProcessID()); - sendMessage(message); - } - } - - /* (non-Javadoc) - * @see protocols.VSAbstractProtocol#onClientSchedule() - */ - public void onClientSchedule() { - } -} |
