/** Get the update strategy. */
public static String getUpdateStrategy() {
String strategy = (String) (TxBB.getBB().getSharedMap().get(UpdateStrategy));
if (strategy == null) {
strategy = TxPrms.getUpdateStrategy();
TxBB.getBB().getSharedMap().put(UpdateStrategy, strategy);
Log.getLogWriter().info("Update strategy is " + strategy);
}
return strategy;
}
/** Initialize the key ranges */
public void initialize() {
long uniqueKeyCounter =
TxBB.getBB().getSharedCounters().incrementAndRead(TxBB.UniqueKeyCounter);
int lower = (int) (((uniqueKeyCounter - 1) * KEY_RANGE) + 1);
int upper = (int) (uniqueKeyCounter * KEY_RANGE);
lowerKeyRange.set(new Integer(lower));
upperKeyRange.set(new Integer(upper));
Log.getLogWriter()
.info(
"LowerKeyRange is "
+ lowerKeyRange.get()
+ ", upperKeyRange is "
+ upperKeyRange.get());
super.initialize();
}
/** Increment the given counter */
public static void inc(int whichCounter) {
TxBB.getBB().getSharedCounters().increment(whichCounter);
}
/**
* Return the expected commit success/failure for the current thread.
*
* @returns true if the current thread should succeed in its commit, false otherwise.
*/
public static boolean getCommitStatus() {
Object key = TxBB.CommitStatusKey + Thread.currentThread().getName();
Object result = TxBB.getBB().getSharedMap().get(key);
if (result instanceof Boolean) return ((Boolean) result).booleanValue();
else throw new TestException("Unknown value " + result + " for TxBB sharedMap key " + key);
}
/**
* Write to the blackboard the expected commit success/failure for the current thread.
*
* @param expectCommitStatus True if we expect the current thread to successfully commit, false
* otherwise.
*/
public static void recordCommitStatus(boolean expectCommitStatus) {
Object key = TxBB.CommitStatusKey + Thread.currentThread().getName();
TxBB.getBB().getSharedMap().put(key, new Boolean(expectCommitStatus));
Log.getLogWriter().info("Written to TxBB: " + key + ", " + expectCommitStatus);
}
/** Convenience method for reading the list of operations for the current client thread. */
public static OpList getOpList() {
Object key = OpListKey + Thread.currentThread().getName();
OpList opList = (OpList) (TxBB.getBB().getSharedMap().get(key));
Log.getLogWriter().info("TxBB read from shared map key " + key + ", value " + opList);
return opList;
}
/** Convenience method for writing a list of operations for the current client thread. */
public static void putOpList(OpList opList) {
Object key = OpListKey + Thread.currentThread().getName();
TxBB.getBB().getSharedMap().put(key, opList);
Log.getLogWriter().info("TxBB put into shared map key " + key + ", value " + opList);
}