/**
* validates the read set and returns the prepare version from the commit queue
*
* @param ctx the context
* @param command the prepare command
* @throws InterruptedException if interrupted
*/
protected void performValidation(TxInvocationContext ctx, GMUPrepareCommand command)
throws InterruptedException {
boolean hasToUpdateLocalKeys = hasLocalKeysToUpdate(command.getModifications());
boolean isReadOnly = command.getModifications().length == 0;
if (!isReadOnly) {
cll.performReadSetValidation(ctx, command);
if (hasToUpdateLocalKeys) {
transactionCommitManager.prepareTransaction(ctx.getCacheTransaction());
} else {
transactionCommitManager.prepareReadOnlyTransaction(ctx.getCacheTransaction());
}
}
if (log.isDebugEnabled()) {
log.debugf(
"Transaction %s can commit on this node. Prepare Version is %s",
command.getGlobalTransaction().prettyPrint(), ctx.getTransactionVersion());
}
}
