Package org.apache.accumulo.core.iterators

Examples of org.apache.accumulo.core.iterators.SourceSwitchingIterator$DataSource

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    if (deleted)
      throw new IllegalStateException("Can not obtain iterator after map deleted");
   
    int mc = mutationCount.get();
    MemoryDataSource mds = new MemoryDataSource();
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(new MemoryDataSource());
    MemoryIterator mi = new MemoryIterator(new ColumnFamilySkippingIterator(new PartialMutationSkippingIterator(ssi, mc)));
    mi.setSSI(ssi);
    mi.setMDS(mds);
    activeIters.add(mi);
    return mi;
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      for (FileSKVIterator reader : newlyReservedReaders) {
        String filename = getReservedReadeFilename(reader);
        if (detachable) {
          FileDataSource fds = new FileDataSource(filename, reader);
          dataSources.add(fds);
          SourceSwitchingIterator ssi = new SourceSwitchingIterator(fds);
          iters.add(new ProblemReportingIterator(tablet.getTableId().toString(), filename, continueOnFailure, ssi));
        } else {
          iters.add(new ProblemReportingIterator(tablet.getTableId().toString(), filename, continueOnFailure, reader));
        }
      }
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    put(tm1, "r1", "cf1", "cq3", 5, "v2");
    put(tm1, "r2", "cf1", "cq1", 5, "v3");
   
    SortedMapIterator smi = new SortedMapIterator(tm1);
    TestDataSource tds = new TestDataSource(smi);
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(tds);
   
    ssi.seek(new Range(), new ArrayList<ByteSequence>(), false);
    ane(ssi, "r1", "cf1", "cq1", 5, "v1", true);
    ane(ssi, "r1", "cf1", "cq3", 5, "v2", true);
    ane(ssi, "r2", "cf1", "cq1", 5, "v3", true);
    assertFalse(ssi.hasTop());
  }
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    put(tm1, "r1", "cf1", "cq3", 5, "v2");
    put(tm1, "r2", "cf1", "cq1", 5, "v3");
   
    SortedMapIterator smi = new SortedMapIterator(tm1);
    TestDataSource tds = new TestDataSource(smi);
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(tds);
   
    ssi.seek(new Range(), new ArrayList<ByteSequence>(), false);
    ane(ssi, "r1", "cf1", "cq1", 5, "v1", true);
   
    TreeMap<Key,Value> tm2 = new TreeMap<Key,Value>();
    put(tm2, "r1", "cf1", "cq1", 5, "v4");
    put(tm2, "r1", "cf1", "cq3", 5, "v5");
    put(tm2, "r2", "cf1", "cq1", 5, "v6");
   
    SortedMapIterator smi2 = new SortedMapIterator(tm2);
    TestDataSource tds2 = new TestDataSource(smi2);
    tds.next = tds2;
   
    ane(ssi, "r1", "cf1", "cq3", 5, "v2", true);
    ane(ssi, "r2", "cf1", "cq1", 5, "v6", true);
    assertFalse(ssi.hasTop());
  }
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    put(tm1, "r3", "cf1", "cq1", 5, "v5");
    put(tm1, "r3", "cf1", "cq2", 5, "v6");
   
    SortedMapIterator smi = new SortedMapIterator(tm1);
    TestDataSource tds = new TestDataSource(smi);
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(tds, true);
   
    ssi.seek(new Range(), new ArrayList<ByteSequence>(), false);
    ane(ssi, "r1", "cf1", "cq1", 5, "v1", true);
   
    TreeMap<Key,Value> tm2 = new TreeMap<Key,Value>(tm1);
    put(tm2, "r1", "cf1", "cq5", 5, "v7"); // should not see this because it should not switch until the row is finished
    put(tm2, "r2", "cf1", "cq1", 5, "v8"); // should see this new row after it switches
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    put(tm1, "r1", "cf1", "cq1", 5, "v1");
    put(tm1, "r1", "cf1", "cq2", 5, "v2");
   
    SortedMapIterator smi = new SortedMapIterator(tm1);
    TestDataSource tds = new TestDataSource(smi);
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(tds, false);
   
    TreeMap<Key,Value> tm2 = new TreeMap<Key,Value>();
    put(tm2, "r1", "cf1", "cq1", 6, "v3");
    put(tm2, "r1", "cf1", "cq2", 6, "v4");
   
    SortedMapIterator smi2 = new SortedMapIterator(tm2);
    TestDataSource tds2 = new TestDataSource(smi2);
    tds.next = tds2;
   
    ssi.seek(new Range(), new ArrayList<ByteSequence>(), false);
   
    ane(ssi, "r1", "cf1", "cq1", 6, "v3", true);
    ane(ssi, "r1", "cf1", "cq2", 6, "v4", true);
   
  }
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    put(tm1, "r1", "cf1", "cq1", 5, "v1");
    put(tm1, "r1", "cf1", "cq2", 5, "v2");
   
    SortedMapIterator smi = new SortedMapIterator(tm1);
    TestDataSource tds = new TestDataSource(smi);
    SourceSwitchingIterator ssi = new SourceSwitchingIterator(tds, false);
   
    SortedKeyValueIterator<Key,Value> dc1 = ssi.deepCopy(null);
   
    TreeMap<Key,Value> tm2 = new TreeMap<Key,Value>();
    put(tm2, "r1", "cf1", "cq1", 6, "v3");
    put(tm2, "r2", "cf1", "cq2", 6, "v4");
   
    SortedMapIterator smi2 = new SortedMapIterator(tm2);
    TestDataSource tds2 = new TestDataSource(smi2);
    tds.setNext(tds2);
   
    ssi.switchNow();
   
    ssi.seek(new Range("r1"), new ArrayList<ByteSequence>(), false);
    dc1.seek(new Range("r2"), new ArrayList<ByteSequence>(), false);
   
    ane(ssi, "r1", "cf1", "cq1", 6, "v3", true);
    assertFalse(ssi.hasTop());
    ane(dc1, "r2", "cf1", "cq2", 6, "v4", true);
    assertFalse(dc1.hasTop());
  }
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            ServiceTarget serviceTarget = phaseContext.getServiceTarget();
            ServiceVerificationHandler verificationHandler = new ServiceVerificationHandler();

            if (dataSources.getDataSource() != null && dataSources.getDataSource().size() > 0) {
                for (int i = 0; i < dataSources.getDataSource().size(); i++) {
                    DataSource ds = (DataSource)dataSources.getDataSource().get(i);
                    if (ds.isEnabled() && ds.getDriver() != null) {
                        try {
                            final String jndiName = cleanupJavaContext(ds.getJndiName());
                            LocalDataSourceService lds = new LocalDataSourceService(jndiName);
                            lds.getDataSourceConfigInjector().inject(buildDataSource(ds));
                            final PathAddress addr = getDataSourceAddress(ds.getJndiName(), deploymentUnit, false);
                            installManagementModel(ds, deploymentUnit, addr);
                            startDataSource(lds, jndiName, ds.getDriver(), serviceTarget, verificationHandler, getRegistration(false, deploymentUnit), ds.getJndiName());
                        } catch (Exception e) {
                            throw ConnectorMessages.MESSAGES.exceptionDeployingDatasource(e, ds.getJndiName());
                        }
                    } else {
                        ConnectorLogger.DS_DEPLOYER_LOGGER.debugf("Ignoring: %s", ds.getJndiName());
                    }
                }
            }

            if (dataSources.getXaDataSource() != null && dataSources.getXaDataSource().size() > 0) {
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        final List<DataSources> dataSourcesList = context.getAttachmentList(DsXmlDeploymentParsingProcessor.DATA_SOURCES_ATTACHMENT_KEY);

        for (final DataSources dataSources : dataSourcesList) {
            if (dataSources.getDataSource() != null) {
                for (int i = 0; i < dataSources.getDataSource().size(); i++) {
                    DataSource ds = (DataSource)dataSources.getDataSource().get(i);
                    undeployDataSource(ds, context);
                }
            }
            if (dataSources.getXaDataSource() != null) {
               for (int i = 0; i < dataSources.getXaDataSource().size(); i++) {
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            ServiceTarget serviceTarget = phaseContext.getServiceTarget();
            ServiceVerificationHandler verificationHandler = new ServiceVerificationHandler();

            if (dataSources.getDataSource() != null && dataSources.getDataSource().size() > 0) {
                for (int i = 0; i < dataSources.getDataSource().size(); i++) {
                    DataSource ds = (DataSource)dataSources.getDataSource().get(i);
                    if (ds.isEnabled() && ds.getDriver() != null) {
                        try {
                            final String jndiName = cleanupJavaContext(ds.getJndiName());
                            LocalDataSourceService lds = new LocalDataSourceService(jndiName);
                            lds.getDataSourceConfigInjector().inject(buildDataSource(ds));
                            final String dsName = ds.getJndiName();
                            final PathAddress addr = getDataSourceAddress(dsName, deploymentUnit, false);
                            installManagementModel(ds, deploymentUnit, addr);
                            startDataSource(lds, jndiName, ds.getDriver(), serviceTarget, verificationHandler,
                                    getRegistration(false, deploymentUnit), getResource(dsName, false, deploymentUnit), dsName);
                        } catch (Exception e) {
                            throw ConnectorMessages.MESSAGES.exceptionDeployingDatasource(e, ds.getJndiName());
                        }
                    } else {
                        ConnectorLogger.DS_DEPLOYER_LOGGER.debugf("Ignoring: %s", ds.getJndiName());
                    }
                }
            }

            if (dataSources.getXaDataSource() != null && dataSources.getXaDataSource().size() > 0) {
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