EventArray.java

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package org.matsim.core.events;

import java.util.Arrays;

import org.matsim.api.core.v01.events.Event;

public class EventArray {
    private Event[] array;
    private int size;

    public EventArray(int capacity) {
        this.array = new Event[capacity];
    }

    public EventArray() {
        this(32);
    }

    public void add(Event element) {
        if (size == array.length) {
            array = Arrays.copyOf(array, array.length + array.length/2);
        }
        array[size] = element;
        size++;
    }

    public void removeLast() {
        array[size - 1] = null;
        size--;
    }

    public int size() {
        return size;
    }
    public Event get(int index) {
        assert index < size;
        assert array[index] != null;
        return array[index];
    }

    public void clear() {
        for (int i = 0; i < size; i++) {
            array[i] = null;
        }
        size = 0;
    }

    public Event[] array() {
        return array;
    }
}