src/main/java/org/nustaq/offheap/BinaryQueue.java
public byte[] readByteArray(int len) {
        if ( available() < len ) {
            throw new RuntimeException("not enough data available, check available() > len before calling");
        }
        byte b[] = new byte[len];
        int count = 0;
        while ( pollIndex != addIndex && count < len ) {
            b[count++] = storage.get(pollIndex++);
            if ( pollIndex >= storage.length() ) {
                pollIndex = 0;
            }
        }
        return b;
    }
public byte[] readByteArray(int len) {
        if ( available() < len ) {
            throw new RuntimeException("not enough data available, check available() > len before calling");
        }
        byte b[] = new byte[len];
        int count = 0;
        while ( pollIndex != addIndex && count < len ) {
            b[count++] = storage.get(pollIndex++);
            if ( pollIndex >= storage.length() ) {
                pollIndex = 0;
            }
        }
        return b;
    }
convenience method to read len byte array. Throws an excpetion if not enough data is present

@param len
@return