protected Result run() {
getConnection().getCacheControl(null).flushSchemaCache();
IntegerProperty monLimit = MondrianProperties.instance().ResultLimit;
int oldLimit = monLimit.get();
try {
monLimit.set(this.resultLimit);
Result result = executeQuery(query, con);
// Check the number of positions on the last axis, which is
// the ROWS axis in a 2 axis query.
int numAxes = result.getAxes().length;
Axis a = result.getAxes()[numAxes - 1];
final int positionCount = a.getPositions().size();
assertEquals(rowCount, positionCount);
return result;
} finally {
monLimit.set(oldLimit);
}
}
/**
* Checks that one can veto a property change.
*
* @param persistent Whether to make strong references to triggers, to prevent them from being
* garbage collected
* @param save Whether to keep a pointer to each trigger on the stack, to prevent them from being
* garbage collected
*/
private void checkVetoChangeValue(final boolean persistent, boolean save) throws Exception {
final MyProperties props = new MyProperties();
String path = "test.mondrian.properties.veto.change.value";
IntegerProperty intProp = new IntegerProperty(props, path, -1);
assertTrue("Check property value NOT false", (intProp.get() == -1));
// now explicitly set the property
props.setProperty(path, "-1");
String v = props.getProperty(path);
assertTrue("Check property value is null", (v != null));
assertTrue("Check property value is -1", (Integer.decode(v).intValue() == -1));
final State3 state = new State3();
state.callCounter = 0;
// Add a trigger. Keep it on the stack to prevent it from being
// garbage-collected.
final Trigger trigger1 =
new Trigger() {
public boolean isPersistent() {
return persistent;
}
public int phase() {
return Trigger.PRIMARY_PHASE;
}
public void execute(Property property, String value) {
state.triggerCalled = true;
state.triggerValue = value;
}
};
intProp.addTrigger(trigger1);
SoftReference<Trigger> ref1 = new SoftReference<Trigger>(trigger1);
final Trigger trigger2 =
new Trigger() {
public boolean isPersistent() {
return persistent;
}
public int phase() {
return Trigger.SECONDARY_PHASE;
}
public void execute(Property property, String value) throws VetoRT {
// even numbers are rejected
state.callCounter++;
int ival = Integer.decode(value).intValue();
if ((ival % 2) == 0) {
// throw on even
throw new VetoRT("have a nice day");
} else {
// ok
}
}
};
intProp.addTrigger(trigger2);
SoftReference<Trigger> ref2 = new SoftReference<Trigger>(trigger2);
// Holder object prevents triggers from being garbage-collected even
// if persistent=false.
Object saver;
if (save) {
saver = new Trigger[] {trigger1, trigger2};
} else {
saver = "dummy";
}
for (int i = 0; i < 10; i++) {
// reset values
state.triggerCalled = false;
state.triggerValue = null;
boolean isEven = ((i % 2) == 0);
try {
props.setProperty(path, Integer.toString(i));
// If triggers have been gc'ed - only possible if persistent =
// save = false - then we can't guarantee that state has been
// changed.
if (!persistent && !save && ((ref1.get() == null) || (ref2.get() == null))) {
continue;
}
// should only be here if odd
if (isEven) {
fail("Did not pass odd number: " + i);
}
int val = Integer.decode(state.triggerValue).intValue();
assertTrue("Odd counter not value", (i == val));
} catch (Trigger.VetoRT ex) {
// If triggers have been gc'ed - only possible if persistent =
// save = false - then we can't guarantee that state has been
// changed.
if (!persistent && !save && ((ref1.get() == null) || (ref2.get() == null))) {
continue;
}
// Trigger rejects even numbers so if even its ok
if (!isEven) {
fail("Did not reject even number: " + i);
}
int val = Integer.decode(state.triggerValue).intValue();
// the property value was reset to the previous value of "i"
// so we add "1" to it to get the current value.
if (i != (val + 1)) {
fail("Even counter not value plus one: " + i + ", " + val);
}
}
}
// Refer to the saver object at the end of the routine so that it
// cannot be garbage-collected. (Some VMs try to be smart.)
assertTrue(saver != null);
}