Examples with TransactionAware org.apache.tephra.TransactionAware used on opensource projects

Example 56 with TransactionAware

use of org.apache.tephra.TransactionAware in project cdap by caskdata.

the class PartitionedFileSetTest method testUpdateMetadata.

@Test
public void testUpdateMetadata() throws Exception {
    final PartitionedFileSet dataset = dsFrameworkUtil.getInstance(pfsInstance);
    dsFrameworkUtil.newTransactionExecutor((TransactionAware) dataset).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() throws Exception {
            PartitionOutput partitionOutput = dataset.getPartitionOutput(PARTITION_KEY);
            ImmutableMap<String, String> originalEntries = ImmutableMap.of("key1", "value1");
            partitionOutput.setMetadata(originalEntries);
            partitionOutput.addPartition();
            ImmutableMap<String, String> updatedMetadata = ImmutableMap.of("key2", "value2");
            dataset.addMetadata(PARTITION_KEY, updatedMetadata);
            PartitionDetail partitionDetail = dataset.getPartition(PARTITION_KEY);
            Assert.assertNotNull(partitionDetail);
            HashMap<String, String> combinedEntries = Maps.newHashMap();
            combinedEntries.putAll(originalEntries);
            combinedEntries.putAll(updatedMetadata);
            Assert.assertEquals(combinedEntries, partitionDetail.getMetadata().asMap());
            // adding an entry, for a key that already exists will throw an Exception
            try {
                dataset.addMetadata(PARTITION_KEY, "key2", "value3");
                Assert.fail("Expected not to be able to update an existing metadata entry");
            } catch (DataSetException expected) {
            }
            PartitionKey nonexistentPartitionKey = PartitionKey.builder().addIntField("i", 42).addLongField("l", 17L).addStringField("s", "nonexistent").build();
            try {
                // adding an entry, for a key that already exists will throw an Exception
                dataset.addMetadata(nonexistentPartitionKey, "key2", "value3");
                Assert.fail("Expected not to be able to add metadata for a nonexistent partition");
            } catch (DataSetException expected) {
            }
        }
    });
}

Example 57 with TransactionAware

use of org.apache.tephra.TransactionAware in project cdap by caskdata.

the class PartitionedFileSetTest method testAddRemoveGetPartitions.

@Test
@Category(SlowTests.class)
public void testAddRemoveGetPartitions() throws Exception {
    final PartitionedFileSet dataset = dsFrameworkUtil.getInstance(pfsInstance);
    final PartitionKey[][][] keys = new PartitionKey[4][4][4];
    final String[][][] paths = new String[4][4][4];
    final Set<BasicPartition> allPartitionDetails = Sets.newHashSet();
    // add a bunch of partitions
    for (int s = 0; s < 4; s++) {
        for (int i = 0; i < 4; i++) {
            for (int l = 0; l < 4; l++) {
                final PartitionKey key = PartitionKey.builder().addField("s", String.format("%c-%d", 'a' + s, s)).addField("i", i * 100).addField("l", 15L - 10 * l).build();
                BasicPartition basicPartition = dsFrameworkUtil.newTransactionExecutor((TransactionAware) dataset).execute(new Callable<BasicPartition>() {

                    @Override
                    public BasicPartition call() throws Exception {
                        PartitionOutput p = dataset.getPartitionOutput(key);
                        p.addPartition();
                        return new BasicPartition((PartitionedFileSetDataset) dataset, p.getRelativePath(), p.getPartitionKey());
                    }
                });
                keys[s][i][l] = key;
                paths[s][i][l] = basicPartition.getRelativePath();
                allPartitionDetails.add(basicPartition);
            }
        }
    }
    // validate getPartition with exact partition key
    for (int s = 0; s < 4; s++) {
        for (int i = 0; i < 4; i++) {
            for (int l = 0; l < 4; l++) {
                final PartitionKey key = keys[s][i][l];
                final String path = paths[s][i][l];
                dsFrameworkUtil.newTransactionExecutor((TransactionAware) dataset).execute(new TransactionExecutor.Subroutine() {

                    @Override
                    public void apply() throws Exception {
                        PartitionDetail partitionDetail = dataset.getPartition(key);
                        Assert.assertNotNull(partitionDetail);
                        Assert.assertEquals(path, partitionDetail.getRelativePath());
                    }
                });
                // also test getPartitionPaths() and getPartitions() for the filter matching this
                @SuppressWarnings({ "unchecked", "unused" }) boolean success = testFilter(dataset, allPartitionDetails, PartitionFilter.builder().addValueCondition("l", key.getField("l")).addValueCondition("s", key.getField("s")).addValueCondition("i", key.getField("i")).build());
            }
        }
    }
    // test whether query works without filter
    testFilter(dataset, allPartitionDetails, null);
    // generate an list of partition filters with exhaustive coverage
    List<PartitionFilter> filters = generateFilters();
    // test all kinds of filters
    testAllFilters(dataset, allPartitionDetails, filters);
    // remove a few of the partitions and test again, repeatedly
    PartitionKey[] keysToRemove = { keys[1][2][3], keys[0][1][0], keys[2][3][2], keys[3][1][2] };
    for (final PartitionKey key : keysToRemove) {
        // remove in a transaction
        dsFrameworkUtil.newTransactionExecutor((TransactionAware) dataset).execute(new TransactionExecutor.Procedure<PartitionKey>() {

            @Override
            public void apply(PartitionKey partitionKey) throws Exception {
                dataset.dropPartition(partitionKey);
            }
        }, key);
        // test all filters
        BasicPartition toRemove = Iterables.tryFind(allPartitionDetails, new com.google.common.base.Predicate<BasicPartition>() {

            @Override
            public boolean apply(BasicPartition partition) {
                return key.equals(partition.getPartitionKey());
            }
        }).get();
        allPartitionDetails.remove(toRemove);
        testAllFilters(dataset, allPartitionDetails, filters);
    }
}

Example 58 with TransactionAware

use of org.apache.tephra.TransactionAware in project cdap by caskdata.

the class PartitionedFileSetTest method testInvalidPartitionFilter.

@Test
public void testInvalidPartitionFilter() throws Exception {
    final PartitionedFileSet pfs = dsFrameworkUtil.getInstance(pfsInstance);
    dsFrameworkUtil.newTransactionExecutor((TransactionAware) pfs).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() throws Exception {
            // this should succeed without error (but log a warning)
            Assert.assertEquals(Collections.EMPTY_SET, pfs.getPartitions(PartitionFilter.builder().addValueCondition("me-not-there", 42).build()));
        }
    });
}

Example 59 with TransactionAware

use of org.apache.tephra.TransactionAware in project cdap by caskdata.

the class PartitionedFileSetTest method testInvalidPartitionKey.

@Test
public void testInvalidPartitionKey() throws Exception {
    final PartitionedFileSet pfs = dsFrameworkUtil.getInstance(pfsInstance);
    dsFrameworkUtil.newTransactionExecutor((TransactionAware) pfs).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() throws Exception {
            try {
                pfs.getPartitionOutput(PartitionKey.builder().addField("i", 1).addField("l", 2L).build());
                Assert.fail("should have thrown exception due to missing field");
            } catch (IllegalArgumentException e) {
            // expected
            }
            try {
                pfs.addPartition(PartitionKey.builder().addField("i", 1).addField("l", "2").addField("s", "a").build(), "some/location");
                Assert.fail("should have thrown exception due to incompatible field");
            } catch (IllegalArgumentException e) {
            // expected
            }
            try {
                pfs.addPartition(PartitionKey.builder().addField("i", 1).addField("l", 2L).addField("s", "a").addField("x", "x").build(), "some/location", ImmutableMap.of("a", "b"));
                Assert.fail("should have thrown exception due to extra field");
            } catch (IllegalArgumentException e) {
            // expected
            }
            pfs.addPartition(PartitionKey.builder().addField("i", 1).addField("l", 2L).addField("s", "a").build(), "some/location", ImmutableMap.of("a", "b"));
            try {
                pfs.addMetadata(PartitionKey.builder().addField("i", 1).addField("l", 2L).addField("s", "a").addField("x", "x").build(), ImmutableMap.of("abc", "xyz"));
                Assert.fail("should have thrown exception due to extra field");
            } catch (IllegalArgumentException e) {
            // expected
            }
            try {
                pfs.dropPartition(PartitionKey.builder().addField("i", 1).addField("l", 2L).addField("s", 0).build());
                Assert.fail("should have thrown exception due to incompatible field");
            } catch (IllegalArgumentException e) {
            // expected
            }
        }
    });
}

Example 60 with TransactionAware

use of org.apache.tephra.TransactionAware in project cdap by caskdata.

the class PartitionedFileSetTest method testAddRemoveGetPartitionExternal.

@Test
public void testAddRemoveGetPartitionExternal() throws Exception {
    final File absolutePath = tmpFolder.newFolder();
    absolutePath.mkdirs();
    dsFrameworkUtil.createInstance("partitionedFileSet", pfsExternalInstance, PartitionedFileSetProperties.builder().setPartitioning(PARTITIONING_1).setBasePath(absolutePath.getPath()).setDataExternal(true).build());
    final PartitionedFileSet pfs = dsFrameworkUtil.getInstance(pfsExternalInstance);
    dsFrameworkUtil.newTransactionExecutor((TransactionAware) pfs).execute(new TransactionExecutor.Subroutine() {

        @Override
        public void apply() throws Exception {
            Assert.assertTrue(pfsBaseLocation.exists());
            // attempt to write a new partition - should fail
            try {
                pfs.getPartitionOutput(PARTITION_KEY);
                Assert.fail("External partitioned file set should not allow writing files");
            } catch (UnsupportedOperationException e) {
            // expected
            }
            // create an external file and add it as a partition
            File someFile = new File(absolutePath, "some.file");
            OutputStream out = new FileOutputStream(someFile);
            out.close();
            Assert.assertTrue(someFile.exists());
            pfs.addPartition(PARTITION_KEY, "some.file");
            Assert.assertNotNull(pfs.getPartition(PARTITION_KEY));
            Assert.assertTrue(pfs.getPartition(PARTITION_KEY).getLocation().exists());
            // now drop the partition and validate the file is still there
            pfs.dropPartition(PARTITION_KEY);
            Assert.assertNull(pfs.getPartition(PARTITION_KEY));
            Assert.assertTrue(someFile.exists());
        }
    });
    // drop the dataset and validate that the base dir still exists
    dsFrameworkUtil.deleteInstance(pfsExternalInstance);
    Assert.assertTrue(pfsBaseLocation.exists());
    Assert.assertTrue(absolutePath.isDirectory());
}