Java Code Examples for org.apache.flink.runtime.operators.testutils.types.IntPairSerializer#IntPairSerializerFactory
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org.apache.flink.runtime.operators.testutils.types.IntPairSerializer#IntPairSerializerFactory .
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Example 1
Source File: ExternalSortITCase.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
@Test
public void testSpillingSortWithIntermediateMergeIntPair() {
try {
// amount of pairs
final int PAIRS = 50000000;
// comparator
final RandomIntPairGenerator generator = new RandomIntPairGenerator(12345678, PAIRS);
final TypeSerializerFactory<IntPair> serializerFactory = new IntPairSerializer.IntPairSerializerFactory();
final TypeComparator<IntPair> comparator = new TestData.IntPairComparator();
// merge iterator
LOG.debug("Initializing sortmerger...");
Sorter<IntPair> merger = new UnilateralSortMerger<IntPair>(this.memoryManager, this.ioManager,
generator, this.parentTask, serializerFactory, comparator, (double)64/78, 4, 0.7f,
true /*use large record handler*/, true);
// emit data
LOG.debug("Emitting data...");
// check order
MutableObjectIterator<IntPair> iterator = merger.getIterator();
LOG.debug("Checking results...");
int pairsRead = 1;
int nextStep = PAIRS / 20;
IntPair rec1 = new IntPair();
IntPair rec2 = new IntPair();
Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
while ((rec2 = iterator.next(rec2)) != null) {
final int k1 = rec1.getKey();
final int k2 = rec2.getKey();
pairsRead++;
Assert.assertTrue(k1 - k2 <= 0);
IntPair tmp = rec1;
rec1 = rec2;
rec2 = tmp;
// log
if (pairsRead == nextStep) {
nextStep += PAIRS / 20;
}
}
Assert.assertEquals("Not all pairs were read back in.", PAIRS, pairsRead);
merger.close();
testSuccess = true;
}
catch (Exception e) {
e.printStackTrace();
Assert.fail(e.getMessage());
}
}
Example 2
Source File: ExternalSortITCase.java From flink with Apache License 2.0 | 4 votes |
@Test
public void testSpillingSortWithIntermediateMergeIntPair() {
try {
// amount of pairs
final int PAIRS = 50000000;
// comparator
final RandomIntPairGenerator generator = new RandomIntPairGenerator(12345678, PAIRS);
final TypeSerializerFactory<IntPair> serializerFactory = new IntPairSerializer.IntPairSerializerFactory();
final TypeComparator<IntPair> comparator = new TestData.IntPairComparator();
// merge iterator
LOG.debug("Initializing sortmerger...");
Sorter<IntPair> merger = new UnilateralSortMerger<IntPair>(this.memoryManager, this.ioManager,
generator, this.parentTask, serializerFactory, comparator, (double)64/78, 4, 0.7f,
true /*use large record handler*/, true);
// emit data
LOG.debug("Emitting data...");
// check order
MutableObjectIterator<IntPair> iterator = merger.getIterator();
LOG.debug("Checking results...");
int pairsRead = 1;
int nextStep = PAIRS / 20;
IntPair rec1 = new IntPair();
IntPair rec2 = new IntPair();
Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
while ((rec2 = iterator.next(rec2)) != null) {
final int k1 = rec1.getKey();
final int k2 = rec2.getKey();
pairsRead++;
Assert.assertTrue(k1 - k2 <= 0);
IntPair tmp = rec1;
rec1 = rec2;
rec2 = tmp;
// log
if (pairsRead == nextStep) {
nextStep += PAIRS / 20;
}
}
Assert.assertEquals("Not all pairs were read back in.", PAIRS, pairsRead);
merger.close();
testSuccess = true;
}
catch (Exception e) {
e.printStackTrace();
Assert.fail(e.getMessage());
}
}
Example 3
Source File: ExternalSortITCase.java From flink with Apache License 2.0 | 4 votes |
@Test
public void testSpillingSortWithIntermediateMergeIntPair() {
try {
// amount of pairs
final int PAIRS = 50000000;
// comparator
final RandomIntPairGenerator generator = new RandomIntPairGenerator(12345678, PAIRS);
final TypeSerializerFactory<IntPair> serializerFactory = new IntPairSerializer.IntPairSerializerFactory();
final TypeComparator<IntPair> comparator = new TestData.IntPairComparator();
// merge iterator
LOG.debug("Initializing sortmerger...");
Sorter<IntPair> merger = new UnilateralSortMerger<IntPair>(this.memoryManager, this.ioManager,
generator, this.parentTask, serializerFactory, comparator, (double)64/78, 4, 0.7f,
true /*use large record handler*/, true);
// emit data
LOG.debug("Emitting data...");
// check order
MutableObjectIterator<IntPair> iterator = merger.getIterator();
LOG.debug("Checking results...");
int pairsRead = 1;
int nextStep = PAIRS / 20;
IntPair rec1 = new IntPair();
IntPair rec2 = new IntPair();
Assert.assertTrue((rec1 = iterator.next(rec1)) != null);
while ((rec2 = iterator.next(rec2)) != null) {
final int k1 = rec1.getKey();
final int k2 = rec2.getKey();
pairsRead++;
Assert.assertTrue(k1 - k2 <= 0);
IntPair tmp = rec1;
rec1 = rec2;
rec2 = tmp;
// log
if (pairsRead == nextStep) {
nextStep += PAIRS / 20;
}
}
Assert.assertEquals("Not all pairs were read back in.", PAIRS, pairsRead);
merger.close();
testSuccess = true;
}
catch (Exception e) {
e.printStackTrace();
Assert.fail(e.getMessage());
}
}