package org.graphwalker.core.model;

/*
 * #%L
 * GraphWalker Core
 * %%
 * Copyright (C) 2011 - 2014 GraphWalker
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

/**
 * @author Nils Olsson
 */
public final class Vertex extends CachedBuilder<Vertex.RuntimeVertex> {

    private String name;
    private List<Requirement> requirements = new ArrayList<>();

    public Vertex setName(String name) {
        this.name = name;
        invalidateCache();
        return this;
    }

    public String getName() {
        return name;
    }

    public Vertex addRequirement(Requirement requirement) {
        this.requirements.add(requirement);
        return this;
    }

    public List<Requirement> getRequirements() {
        return requirements;
    }

    @Override
    protected RuntimeVertex createCache() {
        return new RuntimeVertex(this);
    }

    public static final class RuntimeVertex extends NamedElement {

        private final List<Requirement> requirements;

        private RuntimeVertex(Vertex vertex) {
            super(vertex.getName());
            this.requirements = Collections.unmodifiableList(vertex.getRequirements());
        }

        public List<Requirement> getRequirements() {
            return requirements;
        }
    }
}

@@ -1473,16 +1473,48 @@
 ist%3C%3E();
+%0A    private String sharedState;
 %0A%0A    pu
@@ -1900,24 +1900,219 @@
 nts;%0A    %7D%0A%0A
+    public String getSharedState() %7B%0A        return sharedState;%0A    %7D%0A%0A    public Vertex setSharedState(String sharedState) %7B%0A        this.sharedState = sharedState;%0A        return this;%0A    %7D%0A%0A
     @Overrid
@@ -2325,16 +2325,58 @@
 rements;
+%0A        private final String sharedState;
 %0A%0A      
@@ -2537,24 +2537,80 @@
 rements());%0A
+            this.sharedState = vertex.getSharedState();%0A
         %7D%0A%0A 
@@ -2653,32 +2653,32 @@
 equirements() %7B%0A
-
             retu
@@ -2703,16 +2703,220 @@
        %7D
+%0A%0A        public String getSharedState() %7B%0A            return sharedState;%0A        %7D%0A%0A        public boolean hasSharedState() %7B%0A            return null != sharedState && !%22%22.equals(sharedState);%0A        %7D
 %0A    %7D%0A%7D

Add support for the SHARED state keyword