sk0x50 commented on a change in pull request #8780:
URL: https://github.com/apache/ignite/pull/8780#discussion_r619660321
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File path: modules/core/src/main/java/org/apache/ignite/IgniteCache.java
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@@ -1118,6 +1118,23 @@
*/
public IgniteFuture<V> getAndReplaceAsync(K key, V val);
+ /**
+ * Returns the remaining time to live of the specified key.
+ *
+ * @param key Key
+ * @return remaining TTL in milliseconds, null if there is no expiry
policy or EternalExpiryPolicy.
Review comment:
Please specify the behavior of this method in the following cases:
- the specified `key` as `null`
- cache does not contain the specified `key`
- cache is already closed
perhaps, something like as follows:
```
* @param key the key whose associated time-to-live value is to be returned
*
* @return the remaining time-to-live, or {@code null}, if it does not
exist or there is no expiry policy associated with the key or {@link
EternalExpiryPolicy}.
* @throws IllegalStateException if the cache is {@link #isClosed()}
* @throws NullPointerException if the key is null
```
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