grarchetype-common/src/main/groovy/org/gparallelizer/AsyncException.groovy

package org.gparallelizer

import java.util.List

/**
 * This class wraps multiple exception, which occured in concurrently run code inside one of the <i>AsyncInvokerUtil</i> methods.
 * @see AsyncInvokerUtil
 *
 * @author Vaclav Pech
 * Date: Nov 17, 2008
 */
public class AsyncException extends RuntimeException {
    final List<Throwable> concurrentExceptions

    public AsyncException(String message, List<Throwable> concurrentExceptions) {
        super(message)
        this.concurrentExceptions = concurrentExceptions
    }

    public List<Throwable> getConcurrentExceptions() {
        return concurrentExceptions
    }

    @Override
    public String getMessage() {
        return "${super.getMessage()} ${buildMessage()}"
    }

    @Override
    public String toString() {
        return buildMessage()
    }

    private String buildMessage() {
        final StringBuilder sb = new StringBuilder()
        sb.append("${Thread.currentThread().name} AsyncException")
        sb.append("{concurrentExceptions=").append("[\n")
        concurrentExceptions.each {
            sb.append(it.toString()).append("\n")
        }
        sb.append("]}")
        return sb.toString()
    }
}