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Commit d20627f5 authored by Sudheer Shanka's avatar Sudheer Shanka
Browse files

Add createNewItem() to RingBuffer util class. 

Test: atest tests/net/java/com/android/internal/util/RingBufferTest.java
Change-Id: Idec1f354fc702ead0603341806c6c4ff863c0522
parent dd312aba

core/java/com/android/internal/util/RingBuffer.java

+14 −9
Original line number Diff line number Diff line
@@ -67,16 +67,21 @@ public class RingBuffer<T> { 
     */

    public T getNextSlot() {

        final int nextSlotIdx = indexOf(mCursor++);

        T item = mBuffer[nextSlotIdx];

        if (item == null) {

        if (mBuffer[nextSlotIdx] == null) {

            mBuffer[nextSlotIdx] = createNewItem();

        }

        return mBuffer[nextSlotIdx];

    }



    /**

     * @return a new object of type <T> or null if a new object could not be created.

     */

    protected T createNewItem() {

        try {

                item = (T) mBuffer.getClass().getComponentType().newInstance();

            return (T) mBuffer.getClass().getComponentType().newInstance();

        } catch (IllegalAccessException | InstantiationException e) {

            return null;

        }

            mBuffer[nextSlotIdx] = item;

        }

        return item;

    }



    public T[] toArray() {