groovyx.gpars.csp.plugAndPlay.GParPrint.groovy Maven / Gradle / Ivy

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The Groovy and Java high-level concurrency library offering actors, dataflow, CSP, agents, parallel collections, fork/join and more

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// GPars - Groovy Parallel Systems
//
// Copyright © 2008-10  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.csp.plugAndPlay

import groovyx.gpars.csp.ChannelInputList
import groovyx.gpars.csp.PAR
import org.jcsp.lang.CSProcess
import org.jcsp.lang.CSTimer
import org.jcsp.plugNplay.ProcessRead

class GParPrint implements CSProcess {

    ChannelInputList inChannels
    List headings
    long delay = 200

    void run() {
        def inSize = inChannels.size()
        def readerList = []
        (0..
            readerList[i] = new ProcessRead(inChannels[i])
        }

        def parRead = new PAR(readerList)

        if (headings == null) {
            println "No headings provided"
        }
        else {
            headings.each { print "\t${it}" }
            println()
        }

        def timer = new CSTimer()
        while (true) {
            parRead.run()
            //     print "\t"
//      readerList.each { pr -> print "${pr.value}\t" }
            readerList.each {pr -> print "\t" + pr.value.toString() }
            println()
            if (delay > 0) {
                timer.sleep(delay)
            }
        }
    }
}