public static String getExecutionNameSpace(String queueName) {
        if (StringUtils.contains(queueName, ISOLATION_SEPARATOR)
                && StringUtils.contains(queueName, EXECUTION_NAME_SPACE_SEPARATOR)) {
            return StringUtils.substringBetween(
                    queueName, EXECUTION_NAME_SPACE_SEPARATOR, ISOLATION_SEPARATOR);
        } else if (StringUtils.contains(queueName, EXECUTION_NAME_SPACE_SEPARATOR)) {
            return StringUtils.substringAfter(queueName, EXECUTION_NAME_SPACE_SEPARATOR);
        } else {
            return StringUtils.EMPTY;
        }
    }
Creates a queue name string using <code>taskType</code>, <code>domain</code>, <code>
isolationGroupId</code> and <code>executionNamespace</code>.

@return domain:taskType@eexecutionNameSpace-isolationGroupId.
core/src/main/java/com/netflix/conductor/core/utils/QueueUtils.java