com.github.jasonruckman.sidney.generator.Generator.java Source code

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Here is the source code for com.github.jasonruckman.sidney.generator.Generator.java

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/**
 * Copyright 2014 Jason Ruckman
 *
 * 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.github.jasonruckman.sidney.generator;

import com.google.common.collect.Iterables;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public abstract class Generator<T> {
    public abstract T next();

    public final List<T> list(int count) {
        List<T> list = new ArrayList<>(count);
        for (T x : stream(count)) {
            list.add(x);
        }
        return list;
    }

    public final Iterable<T> stream(int count) {
        return Iterables.limit(stream(), count);
    }

    public final Iterable<T> stream() {
        return new Iterable<T>() {
            @Override
            public Iterator<T> iterator() {
                return new Iterator<T>() {
                    @Override
                    public boolean hasNext() {
                        return true;
                    }

                    @Override
                    public T next() {
                        return Generator.this.next();
                    }

                    @Override
                    public void remove() {

                    }
                };
            }
        };
    }
}