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Added check for invalid duration (#1209)

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Signed-off-by: Christoph Weitkamp <github@christophweitkamp.de>
This commit is contained in:
Christoph Weitkamp 2019-11-13 18:35:42 +01:00 committed by Kai Kreuzer
parent 8c4fb060ed
commit d77d8b763e
1 changed files with 4 additions and 0 deletions
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4
bundles/org.openhab.core/src/main/java/org/eclipse/smarthome/core/cache/ExpiringCache.java vendored
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@ -43,8 +43,12 @@ public class ExpiringCache<V> {
*
* @param expiry the duration for how long the value stays valid
* @param action the action to retrieve/calculate the value
* @throws IllegalArgumentException For an expire value <=0.
*/
public ExpiringCache(Duration expiry, Supplier<@Nullable V> action) {
if (expiry.isNegative() || expiry.isZero()) {
throw new IllegalArgumentException("Cache expire time must be greater than 0");
}
this.expiry = expiry.toNanos();
this.action = action;
}