/*
* JaamSim Discrete Event Simulation
* Copyright (C) 2013 Ausenco Engineering Canada Inc.
* Copyright (C) 2016 JaamSim Software Inc.
*
* 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 com.jaamsim.ProcessFlow;
import java.util.ArrayList;
import com.jaamsim.Graphics.DisplayEntity;
import com.jaamsim.Samples.SampleInput;
import com.jaamsim.basicsim.Entity;
import com.jaamsim.input.InputAgent;
import com.jaamsim.input.InterfaceEntityListInput;
import com.jaamsim.input.Keyword;
import com.jaamsim.input.KeywordIndex;
import com.jaamsim.units.DimensionlessUnit;
public class Branch extends LinkedComponent {
@Keyword(description = "The list of possible next objects to which the processed DisplayEntity can be passed.",
exampleList = {"Queue1 Queue2"})
protected final InterfaceEntityListInput<Linkable> nextComponentList;
@Keyword(description = "A number that determines the choice of next component:\n" +
" 1 = first branch, 2 = second branch, etc.\n" +
"A constant value, a distribution to be sampled, or a time series can be entered.",
exampleList = {"2", "DiscreteDistribution1", "'indexOfMin([Queue1].QueueLength, [Queue2].QueueLength)'"})
private final SampleInput choice;
{
nextComponent.setHidden(true);
nextComponentList = new InterfaceEntityListInput<>(Linkable.class, "NextComponentList", "Key Inputs", null);
nextComponentList.setRequired(true);
this.addInput(nextComponentList);
choice = new SampleInput("Choice", "Key Inputs", null);
choice.setUnitType(DimensionlessUnit.class );
choice.setEntity(this);
choice.setValidRange(1, Double.POSITIVE_INFINITY);
choice.setRequired(true);
this.addInput(choice);
}
@Override
public void addEntity( DisplayEntity ent ) {
super.addEntity(ent);
// Choose the next component for this entity
int i = (int) choice.getValue().getNextSample(this.getSimTime());
if (i<1 || i>nextComponentList.getValue().size())
error("Chosen index i=%s is out of range for NextComponentList: %s.",
i, nextComponentList.getValue());
// Set the standard outputs for a LinkedComponent
this.sendToNextComponent(ent);
// Pass the entity to the selected next component
nextComponentList.getValue().get(i-1).addEntity(ent);
}
@Override
public ArrayList<Entity> getDestinationEntities() {
ArrayList<Entity> ret = new ArrayList<>();
ArrayList<Linkable> ls = nextComponentList.getValue();
if (ls == null)
return ret;
for (Linkable l : ls) {
if (l != null && (l instanceof Entity)) {
ret.add((Entity)l);
}
}
return ret;
}
@Override
public void linkTo(DisplayEntity nextEnt) {
if (!(nextEnt instanceof Linkable) || nextEnt instanceof EntityGenerator) {
return;
}
ArrayList<String> toks = new ArrayList<>();
nextComponentList.getValueTokens(toks);
toks.add(nextEnt.getName());
KeywordIndex kw = new KeywordIndex(nextComponentList.getKeyword(), toks, null);
InputAgent.apply(this, kw);
}
}