org.apache.ignite.scalar.lang.ScalarOutClosureFunction.scala Maven / Gradle / Ivy

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Java-based middleware for in-memory processing of big data in a distributed environment.

There is a newer version: 2.13.0

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.scalar.lang

import java.util.concurrent.Callable

import org.apache.ignite.lang.IgniteCallable

/**
 * Wrapping Scala function for `Callable` and specifically for `GridOutClosure`.
 */
class ScalarOutClosureFunction[R](val inner: IgniteCallable[R]) extends (() => R) {
    assert(inner != null)

    /**
     * Delegates to passed in grid closure.
     */
    def apply(): R =
        inner.call()
}