org.jline.terminal.Terminal.Signal Java Examples
The following examples show how to use
org.jline.terminal.Terminal.Signal.
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Example #1
Source File: Query.java From presto with Apache License 2.0 | 6 votes |
public boolean renderOutput(Terminal terminal, PrintStream out, PrintStream errorChannel, OutputFormat outputFormat, boolean usePager, boolean showProgress) { Thread clientThread = Thread.currentThread(); SignalHandler oldHandler = terminal.handle(Signal.INT, signal -> { if (ignoreUserInterrupt.get() || client.isClientAborted()) { return; } client.close(); clientThread.interrupt(); }); try { return renderQueryOutput(terminal, out, errorChannel, outputFormat, usePager, showProgress); } finally { terminal.handle(Signal.INT, oldHandler); Thread.interrupted(); // clear interrupt status } }
Example #2
Source File: QueryPreprocessor.java From presto with Apache License 2.0 | 6 votes |
public static String preprocessQuery(Terminal terminal, Optional<String> catalog, Optional<String> schema, String query, List<String> preprocessorCommand, Duration timeout) throws QueryPreprocessorException { Thread clientThread = Thread.currentThread(); SignalHandler oldHandler = terminal.handle(Signal.INT, signal -> clientThread.interrupt()); try { if (REAL_TERMINAL) { System.out.print(PREPROCESSING_QUERY_MESSAGE); System.out.flush(); } return preprocessQueryInternal(catalog, schema, query, preprocessorCommand, timeout); } finally { if (REAL_TERMINAL) { System.out.print("\r" + Strings.repeat(" ", PREPROCESSING_QUERY_MESSAGE.length()) + "\r"); System.out.flush(); } terminal.handle(Signal.INT, oldHandler); Thread.interrupted(); // clear interrupt status } }
Example #3
Source File: CliView.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
private Tuple2<Attributes, Map<Signal, SignalHandler>> prepareTerminal() { final Terminal terminal = client.getTerminal(); final Attributes prevAttributes = terminal.getAttributes(); // adopted from org.jline.builtins.Nano // see also https://en.wikibooks.org/wiki/Serial_Programming/termios#Basic_Configuration_of_a_Serial_Interface // no line processing // canonical mode off, echo off, echo newline off, extended input processing off Attributes newAttr = new Attributes(prevAttributes); newAttr.setLocalFlags(EnumSet.of(LocalFlag.ICANON, LocalFlag.ECHO, LocalFlag.IEXTEN), false); // turn off input processing newAttr.setInputFlags(EnumSet.of(Attributes.InputFlag.IXON, Attributes.InputFlag.ICRNL, Attributes.InputFlag.INLCR), false); // one input byte is enough to return from read, inter-character timer off newAttr.setControlChar(Attributes.ControlChar.VMIN, 1); newAttr.setControlChar(Attributes.ControlChar.VTIME, 0); newAttr.setControlChar(Attributes.ControlChar.VINTR, 0); terminal.setAttributes(newAttr); final Map<Signal, SignalHandler> prevSignals = new HashMap<>(); prevSignals.put(Signal.WINCH, terminal.handle(Signal.WINCH, this::handleSignal)); prevSignals.put(Signal.INT, terminal.handle(Signal.INT, this::handleSignal)); prevSignals.put(Signal.QUIT, terminal.handle(Signal.QUIT, this::handleSignal)); return Tuple2.of(prevAttributes, prevSignals); }
Example #4
Source File: CliView.java From Flink-CEPplus with Apache License 2.0 | 6 votes |
private void handleSignal(Signal signal) { synchronized (this) { switch (signal) { case INT: close(new SqlExecutionException("Forced interrupt.")); break; case QUIT: close(new SqlExecutionException("Forced cancellation.")); break; case WINCH: updateSize(); if (isRunning) { display(); } break; } } }
Example #5
Source File: CliView.java From flink with Apache License 2.0 | 6 votes |
private Tuple2<Attributes, Map<Signal, SignalHandler>> prepareTerminal() { final Terminal terminal = client.getTerminal(); final Attributes prevAttributes = terminal.getAttributes(); // adopted from org.jline.builtins.Nano // see also https://en.wikibooks.org/wiki/Serial_Programming/termios#Basic_Configuration_of_a_Serial_Interface // no line processing // canonical mode off, echo off, echo newline off, extended input processing off Attributes newAttr = new Attributes(prevAttributes); newAttr.setLocalFlags(EnumSet.of(LocalFlag.ICANON, LocalFlag.ECHO, LocalFlag.IEXTEN), false); // turn off input processing newAttr.setInputFlags(EnumSet.of(Attributes.InputFlag.IXON, Attributes.InputFlag.ICRNL, Attributes.InputFlag.INLCR), false); // one input byte is enough to return from read, inter-character timer off newAttr.setControlChar(Attributes.ControlChar.VMIN, 1); newAttr.setControlChar(Attributes.ControlChar.VTIME, 0); newAttr.setControlChar(Attributes.ControlChar.VINTR, 0); terminal.setAttributes(newAttr); final Map<Signal, SignalHandler> prevSignals = new HashMap<>(); prevSignals.put(Signal.WINCH, terminal.handle(Signal.WINCH, this::handleSignal)); prevSignals.put(Signal.INT, terminal.handle(Signal.INT, this::handleSignal)); prevSignals.put(Signal.QUIT, terminal.handle(Signal.QUIT, this::handleSignal)); return Tuple2.of(prevAttributes, prevSignals); }
Example #6
Source File: CliView.java From flink with Apache License 2.0 | 6 votes |
private void handleSignal(Signal signal) { synchronized (this) { switch (signal) { case INT: close(new SqlExecutionException("Forced interrupt.")); break; case QUIT: close(new SqlExecutionException("Forced cancellation.")); break; case WINCH: updateSize(); if (isRunning) { display(); } break; } } }
Example #7
Source File: CliView.java From flink with Apache License 2.0 | 6 votes |
private Tuple2<Attributes, Map<Signal, SignalHandler>> prepareTerminal() { final Terminal terminal = client.getTerminal(); final Attributes prevAttributes = terminal.getAttributes(); // adopted from org.jline.builtins.Nano // see also https://en.wikibooks.org/wiki/Serial_Programming/termios#Basic_Configuration_of_a_Serial_Interface // no line processing // canonical mode off, echo off, echo newline off, extended input processing off Attributes newAttr = new Attributes(prevAttributes); newAttr.setLocalFlags(EnumSet.of(LocalFlag.ICANON, LocalFlag.ECHO, LocalFlag.IEXTEN), false); // turn off input processing newAttr.setInputFlags(EnumSet.of(Attributes.InputFlag.IXON, Attributes.InputFlag.ICRNL, Attributes.InputFlag.INLCR), false); // one input byte is enough to return from read, inter-character timer off newAttr.setControlChar(Attributes.ControlChar.VMIN, 1); newAttr.setControlChar(Attributes.ControlChar.VTIME, 0); newAttr.setControlChar(Attributes.ControlChar.VINTR, 0); terminal.setAttributes(newAttr); final Map<Signal, SignalHandler> prevSignals = new HashMap<>(); prevSignals.put(Signal.WINCH, terminal.handle(Signal.WINCH, this::handleSignal)); prevSignals.put(Signal.INT, terminal.handle(Signal.INT, this::handleSignal)); prevSignals.put(Signal.QUIT, terminal.handle(Signal.QUIT, this::handleSignal)); return Tuple2.of(prevAttributes, prevSignals); }
Example #8
Source File: CliView.java From flink with Apache License 2.0 | 6 votes |
private void handleSignal(Signal signal) { synchronized (this) { switch (signal) { case INT: close(new SqlExecutionException("Forced interrupt.")); break; case QUIT: close(new SqlExecutionException("Forced cancellation.")); break; case WINCH: updateSize(); if (isRunning) { display(); } break; } } }
Example #9
Source File: CliView.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
private void restoreTerminal(Tuple2<Attributes, Map<Signal, SignalHandler>> prev) { final Terminal terminal = client.getTerminal(); terminal.setAttributes(prev.f0); prev.f1.forEach(terminal::handle); }
Example #10
Source File: CliView.java From flink with Apache License 2.0 | 4 votes |
private void restoreTerminal(Tuple2<Attributes, Map<Signal, SignalHandler>> prev) { final Terminal terminal = client.getTerminal(); terminal.setAttributes(prev.f0); prev.f1.forEach(terminal::handle); }
Example #11
Source File: CliView.java From flink with Apache License 2.0 | 4 votes |
private void restoreTerminal(Tuple2<Attributes, Map<Signal, SignalHandler>> prev) { final Terminal terminal = client.getTerminal(); terminal.setAttributes(prev.f0); prev.f1.forEach(terminal::handle); }