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Introduce Ordered#NOT_ORDERED 

To provide a reasonable default value for annotations that expose
int-returning #order attributes.
This commit is contained in:
Chris Beams 2011-05-06 19:07:41 +00:00
parent 7b999c676f
commit 17892a8ab2
1 changed files with 8 additions and 0 deletions
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8
org.springframework.core/src/main/java/org/springframework/core/Ordered.java
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@ -47,6 +47,14 @@ public interface Ordered {
*/ */
int LOWEST_PRECEDENCE = Integer.MAX_VALUE; int LOWEST_PRECEDENCE = Integer.MAX_VALUE;
/**
* A reserved integer value indicating that a component should
* be treated as unordered. Users should avoid this using this
* reserved value ({@value}) when ordering their own components.
* Useful when populating annotation, where null cannot be specified
* as a default for integer attributes.
*/
int NOT_ORDERED = (Integer.MIN_VALUE +1) / 2; // -1073741823
/** /**
* Return the order value of this object, with a * Return the order value of this object, with a