InheritanceState.java 文件源码

public Boolean hasIdClassOrEmbeddedId() {
    if ( hasIdClassOrEmbeddedId == null ) {
        hasIdClassOrEmbeddedId = false;
        if ( getClassWithIdClass( true ) != null ) {
            hasIdClassOrEmbeddedId = true;
        }
        else {
            final ElementsToProcess process = getElementsToProcess();
            for ( PropertyData property : process.getElements() ) {
                if ( property.getProperty().isAnnotationPresent( EmbeddedId.class ) ) {
                    hasIdClassOrEmbeddedId = true;
                    break;
                }
            }
        }
    }
    return hasIdClassOrEmbeddedId;
}