ScriptFactoryPostProcessor.java 文件源码

/**
 * Get the refresh check delay for the given {@link ScriptFactory} {@link BeanDefinition}.
 * If the {@link BeanDefinition} has a
 * {@link org.springframework.core.AttributeAccessor metadata attribute}
 * under the key {@link #REFRESH_CHECK_DELAY_ATTRIBUTE} which is a valid {@link Number}
 * type, then this value is used. Otherwise, the the {@link #defaultRefreshCheckDelay}
 * value is used.
 * @param beanDefinition the BeanDefinition to check
 * @return the refresh check delay
 */
protected long resolveRefreshCheckDelay(BeanDefinition beanDefinition) {
    long refreshCheckDelay = this.defaultRefreshCheckDelay;
    Object attributeValue = beanDefinition.getAttribute(REFRESH_CHECK_DELAY_ATTRIBUTE);
    if (attributeValue instanceof Number) {
        refreshCheckDelay = ((Number) attributeValue).longValue();
    }
    else if (attributeValue instanceof String) {
        refreshCheckDelay = Long.parseLong((String) attributeValue);
    }
    else if (attributeValue != null) {
        throw new BeanDefinitionStoreException("Invalid refresh check delay attribute [" +
                REFRESH_CHECK_DELAY_ATTRIBUTE + "] with value '" + attributeValue +
                "': needs to be of type Number or String");
    }
    return refreshCheckDelay;
}