/** Called from the ExecutionEngine to request serialized dependencies. */
public byte[] nextDependencyAsBytes(final int dependencyId) {
final VoltTable vt = m_dependencyTracker.nextDependency(dependencyId);
if (vt != null) {
final ByteBuffer buf2 = vt.getTableDataReference();
byte[] bytes = buf2.array();
// if a buffer has an offset, just getting the array will give you the wrong thing
if (buf2.arrayOffset() != 0) {
bytes = Arrays.copyOfRange(bytes, buf2.arrayOffset(), bytes.length);
}
return bytes;
} else {
return null;
}
}
