Method _checkState

lib/code-caller.js:420–465

(allowedStates)

    }

    _checkState(allowedStates) {
        if (allowedStates && !allowedStates.includes(this.state)) {
            const allowedStatesList = '[' + _.map(allowedStates, String).join(',') + ']';
            return this._logError('Expected PythonCaller states ' + allowedStatesList + ' but actually have state ' + String(this.state));
        }

        let childNull, callbackNull, timeoutIDNull;
        if (this.state == CREATED) {
            childNull = true;
            callbackNull = true;
            timeoutIDNull = true;
        } else if (this.state == WAITING) {
            childNull = false;
            callbackNull = true;
            timeoutIDNull = true;
        } else if (this.state == IN_CALL) {
            childNull = false;
            callbackNull = false;
            timeoutIDNull = false;
        } else if (this.state == EXITING) {
            childNull = false;
            callbackNull = true;
            timeoutIDNull = true;
        } else if (this.state == EXITED) {
            childNull = true;
            callbackNull = true;
            timeoutIDNull = true;
        } else {
            return this._logError('Invalid PythonCaller state: ' + String(this.state));
        }

        if (childNull != null) {
            if (childNull && this.child != null) return this._logError('PythonCaller state "' + String(this.state) + '": child should be null');
            if (!childNull && this.child == null) return this._logError('PythonCaller state "' + String(this.state) + '": child should not be null');
        }
        if (callbackNull != null) {
            if (callbackNull && this.callback != null) return this._logError('PythonCaller state "' + String(this.state) + '": callback should be null');
            if (!callbackNull && this.callback == null) return this._logError('PythonCaller state "' + String(this.state) + '": callback should not be null');
        }
        if (timeoutIDNull != null) {
            if (timeoutIDNull && this.timeoutID != null) return this._logError('PythonCaller state "' + String(this.state) + '": timeoutID should be null');
            if (!timeoutIDNull && this.timeoutID == null) return this._logError('PythonCaller state "' + String(this.state) + '": timeoutID should not be null');
        }

        return true;
    }
}

module.exports.FunctionMissingError = FunctionMissingError;