// GPars - Groovy Parallel Systems
//
// Copyright © 2008-11  The original author or authors
//
// Licensed 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 groovyx.gpars.samples.dataflow

import groovyx.gpars.dataflow.DataflowVariable

final DataflowVariable a = new DataflowVariable<String>()
final DataflowVariable b = new DataflowVariable<String>()

Thread.start {
    println "Received: $a.val"
    Thread.sleep 2000
    b << 'Thank you'
}

Thread.start {
    Thread.sleep 2000
    a << 'An important message from the second thread'
    println "Reply: $b.val"
}
