Examples of RevisionManager

Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        job.setOutputValueClass(HCatRecord.class);

        job.setNumReduceTasks(0);

        assertTrue(job.waitForCompletion(true));
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName+"."+tableName);
            for(String el: snapshot.getColumnFamilies()) {
                assertEquals(1,snapshot.getRevision(el));
            }
        } finally {
            rm.close();
        }

        //verify
        HTable table = new HTable(conf, databaseName+"."+tableName);
        Scan scan = new Scan();
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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                conf, workingDir, MapWriteAbortTransaction.class,
                outputJobInfo, inputPath);
        assertFalse(job.waitForCompletion(true));

        // verify that revision manager has it as aborted transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(databaseName + "." + tableName);
            for (String family : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(family));
                List<FamilyRevision> abortedWriteTransactions = rm.getAbortedWriteTransactions(
                        databaseName + "." + tableName, family);
                assertEquals(1, abortedWriteTransactions.size());
                assertEquals(1, abortedWriteTransactions.get(0).getRevision());
            }
        } finally {
            rm.close();
        }

        //verify that hbase does not have any of the records.
        //Since records are only written during commitJob,
        //hbase should not have any records.
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        HBaseAdmin hAdmin = new HBaseAdmin(getHbaseConf());
        boolean doesTableExist = hAdmin.tableExists("test_table");

        assertTrue(doesTableExist);

        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(getHbaseConf());
        rm.open();
        //Should be able to successfully query revision manager
        rm.getAbortedWriteTransactions("test_table", "cf1");

        hcatDriver.run("drop table test_table");
        doesTableExist = hAdmin.tableExists("test_table");
        assertTrue(doesTableExist == false);

        try {
            rm.getAbortedWriteTransactions("test_table", "cf1");
        } catch (Exception e) {
            assertTrue(e.getCause() instanceof NoNodeException);
        }
        rm.close();

    }
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        HBaseAdmin hAdmin = new HBaseAdmin(getHbaseConf());
        boolean doesTableExist = hAdmin.tableExists("test_table");

        assertTrue(doesTableExist);

        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(getHbaseConf());
        rm.open();
        //Should be able to successfully query revision manager
        rm.getAbortedWriteTransactions("test_table", "cf1");

        hcatDriver.run("drop table test_table");
        doesTableExist = hAdmin.tableExists("test_table");
        assertTrue(doesTableExist == false);

        try {
            rm.getAbortedWriteTransactions("test_table", "cf1");
        } catch (Exception e) {
            assertTrue(e.getCause() instanceof NoNodeException);
        }
        rm.close();

    }
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        HBaseAdmin hAdmin = new HBaseAdmin(getHbaseConf());
        boolean doesTableExist = hAdmin.tableExists("CaseSensitiveTable");

        assertTrue(doesTableExist);

        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(getHbaseConf());
        rm.open();
        //Should be able to successfully query revision manager
        rm.getAbortedWriteTransactions("CaseSensitiveTable", "cf1");

        hcatDriver.run("drop table test_table");
        doesTableExist = hAdmin.tableExists("CaseSensitiveTable");
        assertTrue(doesTableExist == false);

        try {
            rm.getAbortedWriteTransactions("CaseSensitiveTable", "cf1");
        } catch (Exception e) {
            assertTrue(e.getCause() instanceof NoNodeException);
        }
        rm.close();

    }
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        job.setOutputFormat(HBaseDirectOutputFormat.class);
        job.set(TableOutputFormat.OUTPUT_TABLE, tableName);
        job.set(HBaseConstants.PROPERTY_OUTPUT_TABLE_NAME_KEY, tableName);

        //manually create transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            OutputJobInfo outputJobInfo = OutputJobInfo.create("default", tableName, null);
            Transaction txn = rm.beginWriteTransaction(tableName, Arrays.asList(familyName));
            outputJobInfo.getProperties().setProperty(HBaseConstants.PROPERTY_WRITE_TXN_KEY,
                                                      HCatUtil.serialize(txn));
            job.set(HCatConstants.HCAT_KEY_OUTPUT_INFO,
                                       HCatUtil.serialize(outputJobInfo));
        } finally {
            rm.close();
        }

        job.setMapOutputKeyClass(BytesWritable.class);
        job.setMapOutputValueClass(HCatRecord.class);
        job.setOutputKeyClass(BytesWritable.class);
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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                tableName, null);
        Job job = configureJob(testName, conf, workingDir, MapHCatWrite.class,
                outputJobInfo, inputPath);
        assertTrue(job.waitForCompletion(true));

        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(hbaseTableName);
            for(String el: snapshot.getColumnFamilies()) {
                assertEquals(1,snapshot.getRevision(el));
            }
        } finally {
            rm.close();
        }

        //verify
        HTable table = new HTable(conf, hbaseTableName);
        Scan scan = new Scan();
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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        Job job = configureJob(testName, conf, workingDir, MapWriteAbortTransaction.class,
                outputJobInfo, inputPath);
        assertFalse(job.waitForCompletion(true));

        // verify that revision manager has it as aborted transaction
        RevisionManager rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(conf);
        try {
            TableSnapshot snapshot = rm.createSnapshot(hbaseTableName);
            for (String family : snapshot.getColumnFamilies()) {
                assertEquals(1, snapshot.getRevision(family));
                List<FamilyRevision> abortedWriteTransactions = rm.getAbortedWriteTransactions(
                        hbaseTableName, family);
                assertEquals(1, abortedWriteTransactions.size());
                assertEquals(1, abortedWriteTransactions.get(0).getRevision());
            }
        } finally {
            rm.close();
        }

        // verify that hbase has the records of the successful maps.
        HTable table = new HTable(conf, hbaseTableName);
        Scan scan = new Scan();
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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    private final byte[] QUALIFIER2 = Bytes.toBytes("testQualifier2");

    private List<Put> generatePuts(int num, String tableName) throws IOException {

        List<String> columnFamilies = Arrays.asList("testFamily");
        RevisionManager rm = null;
        List<Put> myPuts;
        try {
            rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(getHbaseConf());
            rm.open();
            myPuts = new ArrayList<Put>();
            for (int i = 1; i <= num; i++) {
                Put put = new Put(Bytes.toBytes("testRow"));
                put.add(FAMILY, QUALIFIER1, i, Bytes.toBytes("textValue-" + i));
                put.add(FAMILY, QUALIFIER2, i, Bytes.toBytes("textValue-" + i));
                myPuts.add(put);
                Transaction tsx = rm.beginWriteTransaction(tableName,
                        columnFamilies);
                rm.commitWriteTransaction(tsx);
            }
        } finally {
            if (rm != null)
                rm.close();
        }

        return myPuts;
    }
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Examples of org.apache.hcatalog.hbase.snapshot.RevisionManager

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    }

    private long populateHBaseTableQualifier1(String tName, int value, Boolean commit)
            throws IOException {
        List<String> columnFamilies = Arrays.asList("testFamily");
        RevisionManager rm = null;
        List<Put> myPuts = new ArrayList<Put>();
        long revision;
        try {
            rm = HBaseRevisionManagerUtil.getOpenedRevisionManager(getHbaseConf());
            rm.open();
            Transaction tsx = rm.beginWriteTransaction(tName, columnFamilies);

            Put put = new Put(Bytes.toBytes("testRow"));
            revision = tsx.getRevisionNumber();
            put.add(FAMILY, QUALIFIER1, revision,
                    Bytes.toBytes("textValue-" + value));
            myPuts.add(put);

            // If commit is null it is left as a running transaction
            if (commit != null) {
                if (commit) {
                    rm.commitWriteTransaction(tsx);
                } else {
                    rm.abortWriteTransaction(tsx);
                }
            }
        } finally {
            if (rm != null)
                rm.close();
        }
        HTable table = new HTable(getHbaseConf(), Bytes.toBytes(tName));
        table.put(myPuts);
        return revision;
    }
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