Examples of org.luaj.vm2.lib.ThreeArgFunction

org.luaj.vm2.lib.TwoArgFunction
Abstract base class for Java function implementations that take two arguments and return one value.
Subclasses need only implement {@link LuaValue#call(LuaValue,LuaValue,LuaValue)} to complete this class, simplifying development. All other uses of {@link #call()}, {@link #invoke(Varargs)},etc, are routed through this method by this class, dropping or extending arguments with {@code nil} values as required.
If more or less than three arguments are required, or variable argument or variable return values, then use one of the related function {@link ZeroArgFunction}, {@link OneArgFunction}, {@link TwoArgFunction}, or {@link VarArgFunction}.
See {@link LibFunction} for more information on implementation libraries and library functions. @see #call(LuaValue,LuaValue,LuaValue) @see LibFunction @see ZeroArgFunction @see OneArgFunction @see TwoArgFunction @see VarArgFunction

  private final Globals globals = new Globals();
  private final PackageLib packageLib;
  
  public LuaInstance() throws AerospikeException {
    globals.load(new JseBaseLib());
    packageLib = new PackageLib();
    globals.load(packageLib);
    //globals.load(new Bit32Lib()); // not needed for 5.1 compatibility  
    globals.load(new TableLib());
    globals.load(new StringLib());
    globals.load(new CoroutineLib());

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    globals.load(new JseBaseLib());
    packageLib = new PackageLib();
    globals.load(packageLib);
    //globals.load(new Bit32Lib()); // not needed for 5.1 compatibility  
    globals.load(new TableLib());
    globals.load(new StringLib());
    globals.load(new CoroutineLib());
    globals.load(new JseMathLib());
    globals.load(new JseIoLib());
    globals.load(new JseOsLib());
    globals.load(new LuajavaLib());

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  public LuaInstance() throws AerospikeException {
    globals.load(new JseBaseLib());
    packageLib = new PackageLib();
    globals.load(packageLib);
    //globals.load(new Bit32Lib()); // not needed for 5.1 compatibility  
    globals.load(new TableLib());
    globals.load(new StringLib());
    globals.load(new CoroutineLib());
    globals.load(new JseMathLib());
    globals.load(new JseIoLib());
    globals.load(new JseOsLib());

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        table.set("isSubsting", isSubsting());
        return table;
    }


    private LuaValue callParserFunction() {
        return new ThreeArgFunction() {
            @Override public LuaValue call(LuaValue frameId, LuaValue function, LuaValue args) {
                return null;
            }
        };
    }

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            }
        };
    }


    private LuaValue expandTemplate() {
        return new ThreeArgFunction() {
            @Override
            public LuaValue call(LuaValue frameId, LuaValue title, LuaValue args) {
                throw new UnsupportedOperationException("no implemented");
            }
        };

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            }
        };
    }


    private LuaValue newChildFrame() {
        return new ThreeArgFunction() {
            @Override
            public LuaValue call(LuaValue frameId, LuaValue title, LuaValue args) {
                return NIL;
            }
        };

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//     assertEquals( abc, StringLib.instance.get(7) );
    assertEquals( abc, fallback.get(8) );
    assertEquals( abc, fallback.get(9) );
    
    // metatable with function call
    mt.set( LuaValue.NEWINDEX, new ThreeArgFunction() {
      public LuaValue call(LuaValue arg1, LuaValue arg2, LuaValue arg3) {
        fallback.rawset(arg2, LuaValue.valueOf( "via-func-"+arg3 ));
        return NONE;
      }

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    }


    private void stubExecuteModule() {
        // don't need module isolation
        final LuaValue mw = globals.get("mw");
        mw.set("executeModule", new TwoArgFunction() {
            @Override public LuaValue call(LuaValue chunk, LuaValue isConsole) {
                return chunk.call();
            }
        });
    }

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            }
        };
    }


    private LuaValue preprocess() {
        return new TwoArgFunction() {
            @Override public LuaValue call(LuaValue frameId, LuaValue text) {
                Frame frame = getFrameById(frameId);


                return valueOf(model.render(text.checkjstring()));
            }

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            }
        };
    }


    private LuaValue getExpandedArgument() {
        return new TwoArgFunction() {
            @Override
            public LuaValue call(LuaValue frameId, LuaValue name) {
                return getFrameById(frameId).getArgument(name.tojstring());
            }
        };

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