AbstractBeanFactory.java 文件源码

@Override
public void registerScope(String scopeName, Scope scope) {
    Assert.notNull(scopeName, "Scope identifier must not be null");
    Assert.notNull(scope, "Scope must not be null");
    if (SCOPE_SINGLETON.equals(scopeName) || SCOPE_PROTOTYPE.equals(scopeName)) {
        throw new IllegalArgumentException("Cannot replace existing scopes 'singleton' and 'prototype'");
    }
    Scope previous = this.scopes.put(scopeName, scope);
    if (previous != null && previous != scope) {
        if (logger.isInfoEnabled()) {
            logger.info("Replacing scope '" + scopeName + "' from [" + previous + "] to [" + scope + "]");
        }
    }
    else {
        if (logger.isDebugEnabled()) {
            logger.debug("Registering scope '" + scopeName + "' with implementation [" + scope + "]");
        }
    }
}