ptupitsyn commented on a change in pull request #524:
URL: https://github.com/apache/ignite-3/pull/524#discussion_r775353705
##########
File path:
modules/client-handler/src/main/java/org/apache/ignite/client/handler/ClientResource.java
##########
@@ -17,20 +17,45 @@
package org.apache.ignite.client.handler;
+import org.apache.ignite.lang.IgniteException;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
/**
* Client resource holder.
*/
-public interface ClientResource {
+public class ClientResource {
+ /** Object. */
+ private final Object obj;
+
+ /** Release delegate. */
+ private final @Nullable Runnable releaseRunnable;
+
+ public ClientResource(@NotNull Object obj, @Nullable Runnable
releaseRunnable) {
+ this.obj = obj;
+ this.releaseRunnable = releaseRunnable;
+ }
+
/**
* Gets the underlying object.
*
* @param <T> Object type.
* @return Object.
*/
- <T> T get();
+ public <T> T get(Class<T> type) {
+ if (!type.isInstance(obj)) {
+ throw new IgniteException("Incorrect resource type. Expected " +
type.getName() + ", but got " + obj.getClass().getName());
Review comment:
Due to Java type erasure, `T` is replaced with `Object` at compile time,
so there is no type information at run time.
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