Examples of org.lilyproject.repository.api.filter.RecordVariantFilter

Package org.lilyproject.repository.api.filter

Examples of org.lilyproject.repository.api.filter.RecordVariantFilter

org.lilyproject.repository.api.filter.RecordVariantFilter
Filters based on variant properties. It only returns records which have exactly the same variant properties as the given variant properties (i.e. not the records which have these variant properties and some additional ones). If the value of the variant property is specified, it has to match exactly. If the value is null, any value will match.


        final ArrayList<Record> result = new ArrayList<Record>();


        final RecordScan scan = new RecordScan();
        scan.setStartRecordId(newDep.id.getMaster());
        scan.setRecordFilter(new RecordVariantFilter(newDep.id.getMaster(), varProps));
        LRepository repository = indexUpdateBuilder.getRepository();
        LTable table = repository.getTable(indexUpdateBuilder.getTable());
        final IdRecordScanner scanner = table.getScannerWithIds(scan);
        IdRecord next;
        while ((next = scanner.next()) != null) {

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        final Iterator<Map.Entry<String, JsonNode>> fields = variantPropertiesNode.getFields();
        while (fields.hasNext()) {
            final Map.Entry<String, JsonNode> next = fields.next();
            variantProperties.put(next.getKey(), next.getValue().getTextValue());
        }
        return new RecordVariantFilter(repository.getIdGenerator().fromString(recordId), variantProperties);
    }

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        if (!(uncastFilter instanceof RecordVariantFilter)) {
            return null;
        }


        final RecordVariantFilter filter = (RecordVariantFilter) uncastFilter;


        if (filter.getMasterRecordId() == null) {
            throw new IllegalArgumentException("Record ID should be specified in RecordVariantFilter");
        }


        if (filter.getVariantProperties() == null) {
            throw new IllegalArgumentException("VariantProperties should be specified in RecordVariantFilter");
        }


        return new FilterList(Arrays.<Filter>asList(
                new PrefixFilter(filter.getMasterRecordId().getMaster().toBytes()),
                new LilyRecordVariantFilter(filter.getVariantProperties())));


    }

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                .create();


        {
            // master scan
            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(master, new HashMap<String, String>()));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(master, scanner.next().getId());
            assertNull(scanner.next());
            scanner.close();
        }


        {
            // variant scan
            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("foo", null);
            variantProperties.put("bar", null);


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(variant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertNull(scanner.next()); // it doesn't match anything
            scanner.close();
        }


        {
            // variant scan for something completely different
            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("key1", null);
            variantProperties.put("key2", null);


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(variant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(variant, scanner.next().getId());
            assertEquals(variantWithOtherValues, scanner.next().getId());
            assertNull(scanner.next()); // it doesn't match the extendedVariant!
            scanner.close();
        }


        {
            // extended variant scan
            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("key1", null);
            variantProperties.put("key2", null);
            variantProperties.put("key3", null);


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(
                    new RecordVariantFilter(extendedVariant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(extendedVariant, scanner.next().getId());
            assertNull(scanner.next());
            scanner.close();
        }

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            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("key1", "value1");
            variantProperties.put("key2", "value2");


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(variant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(variant, scanner.next().getId());
            assertNull(scanner.next()); // it doesn't match the other variants
            scanner.close();
        }


        {
            // variant scan with specific value for key2 only
            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("key1", null);
            variantProperties.put("key2", "value2");


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(variant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(variant, scanner.next().getId());
            assertEquals(variantWithOtherValues, scanner.next().getId()); // has same value for key2
            assertNull(scanner.next()); // it doesn't match the other variants
            scanner.close();
        }


        {
            // variant scan with specific value for key1 only
            final HashMap<String, String> variantProperties = new HashMap<String, String>();
            variantProperties.put("key1", "value1");
            variantProperties.put("key2", null);


            final RecordScan scan = new RecordScan();
            scan.setRecordFilter(new RecordVariantFilter(variant.getMaster(), variantProperties));
            RecordScanner scanner = repository.getScanner(scan);
            assertEquals(variant, scanner.next().getId());
            assertNull(scanner.next()); // it doesn't match the other variants
            scanner.close();
        }

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        variantProperties.put("branch", null);


        RecordId recordId = idGenerator.newRecordId("foo");


        RecordScan scan = new RecordScan();
        scan.setRecordFilter(new RecordVariantFilter(recordId, variantProperties));


        byte[] data = scanToBytes(scan);
        RecordScan parsedScan = scanFromBytes(data);


        assertNotNull(parsedScan.getRecordFilter());

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Related Classes of org.lilyproject.repository.api.filter.RecordVariantFilter

org.lilyproject.indexer.model.indexerconf.IndexerUtils

org.lilyproject.repository.impl.filter.HBaseRecordVariantFilter

org.lilyproject.repository.impl.test.AbstractRepositoryTest

org.lilyproject.tools.import_.json.filters.RecordVariantFilterJson

org.lilyproject.tools.import_.json.test.JsonConversionTest

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