Page History

public class RecordHeader implements Header {
    private ByteBuffer keyBuffer;
-   private String key;
-   private ByteBuffer valueBuffer;
-   private byte[] value;

+   private volatile String key;
+   private volatile ByteBuffer valueBuffer;
+   private volatile byte[] value;

...           

	public String key() {
        if (key == null) {
+           synchronized (this) {
+               if (key == null) {
                    key = Utils.utf8(keyBuffer, keyBuffer.remaining());
                    keyBuffer = null;
+               }
+           }
        }
        return key;
    }

    public byte[] value() {
        if (value == null && valueBuffer != null) {
+           synchronized (this) {
+               if (value == null && valueBuffer != null) {
                    value = Utils.toArray(valueBuffer);
                    valueBuffer = null;
+               }
+           }
        }
        return value;
    }
}