AbstractMixer.java 文件源码

/**
 * Removes this line from the list of open source lines and
 * open target lines, if it exists in either.
 * If the list is now empty, closes the mixer.
 */
final synchronized void close(Line line) {

    if (Printer.trace) Printer.trace(">> AbstractMixer: close(" + line + ")");

    // $$kk: 06.11.99: ignore ourselves for now
    if (this.equals(line)) {
        if (Printer.trace) Printer.trace("<< AbstractMixer: close(" + line + ") nothing done");
        return;
    }

    sourceLines.removeElement(line);
    targetLines.removeElement(line);

    if (Printer.debug) Printer.debug("AbstractMixer: close(line): sourceLines.size() now: " + sourceLines.size());
    if (Printer.debug) Printer.debug("AbstractMixer: close(line): targetLines.size() now: " + targetLines.size());


    if (sourceLines.isEmpty() && targetLines.isEmpty() && !manuallyOpened) {
        if (Printer.trace) Printer.trace("AbstractMixer: close(" + line + "): need to close the mixer");
        close();
    }

    if (Printer.trace) Printer.trace("<< AbstractMixer: close(" + line + ") succeeded");
}