com.networknt.aws.lambda.exception.LambdaExchangeStateException Maven / Gradle / Ivy

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A middleware Lambda function that handles all the cross-cutting concerns for the downstream Lambda function.

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package com.networknt.aws.lambda.exception;

public class LambdaExchangeStateException extends RuntimeException {
    public LambdaExchangeStateException(String message) {
        super(message);
    }

    public static LambdaExchangeStateException invalidStateException(int state, int wrongState) {
        StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
        var stateString = Integer.toBinaryString(state);
        var wrongStateString = Integer.toBinaryString(wrongState);
        return new LambdaExchangeStateException("Attempted to execute '" + stackTraceElements[2].getMethodName() + "' while in the wrong state. Current state '" + stateString + "' has flag state '" + wrongStateString + "'.");
    }

    public static LambdaExchangeStateException missingStateException(int state, int missing) {
        StackTraceElement[] stackTraceElements = Thread.currentThread().getStackTrace();
        var stateString = Integer.toBinaryString(state);
        var missingStateString = Integer.toBinaryString(missing);
        return new LambdaExchangeStateException("Attempted to execute '" + stackTraceElements[2].getMethodName() + "' while missing a flag. Current state '" + stateString + "' is missing flag state '" + missingStateString + "'.");
    }
}