E1 - Type of the free variable, i.e. the element the closure is called or closed on.R - Type of the closure's return value.public interface C1<E1,R> extends IgniteClosure<E1,R>
alias for IgniteClosure by extending it. Since Java doesn't provide type aliases
(like Scala, for example) we resort to these types of measures. This is intended to provide for more
concise code in cases when readability won't be sacrificed. For more information see IgniteClosure.GridFunc,
IgniteClosureapply
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Ignite Database and Caching Platform : ver. 2.8.1 Release Date : May 21 2020