protected void setUpTestMapWithRandomContent(int size, int run) throws Exception {
valueFactory = valueFactoryFactory.getInstance();
IMapWriter writer1 = valueFactory.mapWriter();
IMapWriter writer2 = valueFactory.mapWriter();
int seedForThisTrial = BenchmarkUtils.seedFromSizeAndRun(size, run);
Random rand = new Random(seedForThisTrial + 13);
int existingValueIndex = rand.nextInt(size);
int[] data = BenchmarkUtils.generateTestData(size, run);
for (int i = size - 1; i >= 0; i--) {
// final IValue current = producer.createFromInt(data[i]);
writer1.put(producer.createFromInt(data[i]), producer.createFromInt(data[i]));
writer2.put(producer.createFromInt(data[i]), producer.createFromInt(data[i]));
if (i == existingValueIndex) {
VALUE_EXISTING = producer.createFromInt(data[i]);
}
}
testMap = writer1.done();
testMapRealDuplicate = writer2.done();
/*
* generate random values until a value not part of the data strucure is
* found
*/
while (VALUE_NOT_EXISTING == null) {
final IValue candidate = producer.createFromInt(rand.nextInt());
if (!testMap.containsKey(candidate)) {
VALUE_NOT_EXISTING = candidate;
}
}
testMapDeltaDuplicate =
testMap.put(VALUE_EXISTING, VALUE_NOT_EXISTING).put(VALUE_EXISTING, VALUE_EXISTING);
testMapRealDuplicateSameSizeButDifferent =
testMapRealDuplicate.removeKey(VALUE_EXISTING).put(VALUE_NOT_EXISTING, VALUE_NOT_EXISTING);
}
@Setup(Level.Trial)
public void setUp() throws Exception {
setUpTestMapWithRandomContent(size, run);
switch (sampleDataSelection) {
/*
* random integers might or might not be in the dataset
*/
case RANDOM:
{
// random data generator with fixed seed
/* seed == Mersenne Prime #8 */
Random randForOperations = new Random(2147483647L);
for (int i = 0; i < CACHED_NUMBERS_SIZE; i++) {
cachedNumbers[i] = producer.createFromInt(randForOperations.nextInt());
}
}
/*
* random integers are in the dataset
*/
case MATCH:
{
// random data generator with fixed seed
int seedForThisTrial = BenchmarkUtils.seedFromSizeAndRun(size, run);
Random rand = new Random(seedForThisTrial);
for (int i = 0; i < CACHED_NUMBERS_SIZE; i++) {
if (i >= size) {
cachedNumbers[i] = cachedNumbers[i % size];
} else {
cachedNumbers[i] = producer.createFromInt(rand.nextInt());
}
}
// random data generator with fixed seed
/* seed == Mersenne Prime #8 */
Random anotherRand = new Random(2147483647L);
for (int i = 0; i < CACHED_NUMBERS_SIZE; i++) {
/*
* generate random values until a value not part of the data
* strucure is found
*/
boolean found = false;
while (!found) {
final IValue candidate = producer.createFromInt(anotherRand.nextInt());
if (testMap.containsKey(candidate)) {
continue;
} else {
cachedNumbersNotContained[i] = candidate;
found = true;
}
}
}
// assert (contained)
for (IValue sample : cachedNumbers) {
if (!testMap.containsKey(sample)) {
throw new IllegalStateException();
}
}
// assert (not contained)
for (IValue sample : cachedNumbersNotContained) {
if (testMap.containsKey(sample)) {
throw new IllegalStateException();
}
}
}
}
final IMapWriter mapWriter1 = valueFactory.mapWriter();
mapWriter1.put(VALUE_EXISTING, VALUE_EXISTING);
singletonMapWithExistingValue = mapWriter1.done();
final IMapWriter mapWriter2 = valueFactory.mapWriter();
mapWriter2.put(VALUE_NOT_EXISTING, VALUE_NOT_EXISTING);
singletonMapWithNotExistingValue = mapWriter2.done();
// System.out.println(String.format("\n\ncachedNumbers = %s",
// Arrays.toString(cachedNumbers)));
// System.out.println(String.format("cachedNumbersNotContained = %s\n\n",
// Arrays.toString(cachedNumbersNotContained)));
// OverseerUtils.setup(JmhMapBenchmarks.class, this);
}