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This project was born out of a need to validate all POJOs (Plain Old Java Object) are behaving correctly. This project has two main aspects to it: * Make Testing as easy as possible. * Simplifying identity management (hashCode / equals) using annotation.

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/*
 * Copyright (c) 2010-2013 Osman Shoukry
 *
 *    This program 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 3 of the License or any
 *    later version.
 *
 *    This program 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 program.  If not, see .
 */

package com.openpojo.random.collection.set;

import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;
import java.util.TreeSet;

import com.openpojo.random.RandomGenerator;
import com.openpojo.random.collection.util.CollectionHelper;
import com.openpojo.reflection.construct.InstanceFactory;
import com.openpojo.reflection.impl.PojoClassFactory;

/**
 * This is random generator is responsible for generating concrete Set implementations 

 * Namely:

 * 1. HashSet 

 * 2. TreeSet 

 * 3. LinkedHashSet 

 * 

 *
 * @author oshoukry
 */
public final class SetConcreteRandomGenerator implements RandomGenerator {

    private SetConcreteRandomGenerator() {
    }

    public static RandomGenerator getInstance() {
        return Instance.INSTANCE;
    }

    private final Class[] TYPES = new Class[] { HashSet.class, TreeSet.class, LinkedHashSet.class };

    @SuppressWarnings("rawtypes")
    public Object doGenerate(final Class type) {
        Set randomSet = null;

        if (this.getTypes().contains(type)) {
            randomSet = (Set) InstanceFactory.getLeastCompleteInstance(PojoClassFactory.getPojoClass(type));
            CollectionHelper.populateWithRandomData(randomSet);
        }

        return randomSet;
    }

    public Collection> getTypes() {
        return Arrays.asList(TYPES);
    }

    private static class Instance {
        private static final RandomGenerator INSTANCE = new SetConcreteRandomGenerator();
    }
}