Package org.jboss.gwt.circuit.sample.calculator.views

Source Code of org.jboss.gwt.circuit.sample.calculator.views.InputView

/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.gwt.circuit.sample.calculator.views;

import static org.jboss.gwt.circuit.sample.calculator.Term.Op;

import java.util.ArrayList;
import java.util.List;
import java.util.Random;

import org.jboss.gwt.circuit.Action;
import org.jboss.gwt.circuit.Dispatcher;
import org.jboss.gwt.circuit.sample.calculator.NoopAction;
import org.jboss.gwt.circuit.sample.calculator.Term;
import org.jboss.gwt.circuit.sample.calculator.TermAction;

public class InputView implements View {

    private final Dispatcher dispatcher;
    private List<Action> actions;

    public InputView(final Dispatcher dispatcher, int numberOfActions) {
        this.dispatcher = dispatcher;
        this.actions = actionStream(numberOfActions);
    }

    public void dispatch() {
        for (Action action : actions) {
            dispatcher.dispatch(action);
        }
    }

    private List<Action> actionStream(int size) {
        Random random = new Random();
        List<Action> actions = new ArrayList<>(size);

        for (int i = 0; i < size; i++) {
            Op op = Op.values()[random.nextInt(Op.values().length)];
            boolean noop = 1 + random.nextInt(11) % 4 == 4;
            Action action = noop ? new NoopAction() : new TermAction(
                    new Term(1 + random.nextInt(10), op, 1 + random.nextInt(10)));
            actions.add(action);
        }
        return actions;
    }
}
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