Examples of org.apache.xindice.core.data.RecordSet

org.apache.xindice.core.data.RecordSet
RecordSet is an interface for iterating over a set of Records. It is almost always returned by Filers.

                    else if (name != null) {
                        // Try to use a NameIndex to resolve the path component
                        // can match a wildcard node name here if pattern is "*" then every document matches
                        if (!attr && "*".equals(name)) {
                            SortedSet set = new TreeSet();
                            RecordSet rs = context.getFiler().getRecordSet();
                            while (rs.hasMoreRecords()) {
                                set.add(rs.getNextKey());
                            }
                            ks.add(set.toArray(EMPTY_KEYS));
                        } else {
                            // Try to use a NameIndex to resolve the path component
                            IndexPattern pattern = new IndexPattern(symbols, name, nsMap);

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        if (!filer.exists()) {
            filer.create();
        }
        filer.open();


        RecordSet set = filer.getRecordSet();
        while (set.hasMoreRecords()) {
            Key key = set.getNextKey();
            filer.deleteRecord(key);
        }
        assertEquals(0, filer.getRecordCount());
    }

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        assertEquals(1, filer.getRecordCount());


        Record result = filer.readRecord(TEST_KEY);
        assertEquals(TEST_VALUE, result.getValue());


        RecordSet set = filer.getRecordSet();
        assertEquals(result.getValue(), set.getNextRecord().getValue());
        assertTrue(set.hasMoreRecords() == false);


        filer.deleteRecord(TEST_KEY);
        assertEquals(0, filer.getRecordCount());
    }

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    public void testGetRecordSet() throws Exception {
        assertTrue(filer.writeRecord(TEST_KEY, TEST_VALUE));
        assertTrue(filer.writeRecord(new Key("test2"), TEST_VALUE_2));
        assertTrue(filer.writeRecord(new Key("test3"), TEST_VALUE_3));


        RecordSet result = filer.getRecordSet();
        assertNotNull(result);


        List results = new Vector();
        while (result.hasMoreRecords()) {
            results.add(result.getNextRecord().getValue());
        }
        assertEquals(3, results.size());
        assertTrue(results.contains(TEST_VALUE));
        assertTrue(results.contains(TEST_VALUE_2));
        assertTrue(results.contains(TEST_VALUE_3));


        assertTrue(filer.deleteRecord(TEST_KEY));
        assertTrue(filer.deleteRecord(new Key("test2")));
        assertTrue(filer.deleteRecord(new Key("test3")));


        result = filer.getRecordSet();
        assertTrue(!result.hasMoreRecords());
    }

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                }


                if (keySet == null) {
                    // Fall back to a Collection scan
                    SortedSet set = new TreeSet();
                    RecordSet rs = context.getFiler().getRecordSet();
                    while (rs.hasMoreRecords()) {
                        set.add(rs.getNextKey());
                    }
                    keySet = (Key[]) set.toArray(EMPTY_KEYS);
                }


                return new ResultSet(context, pr, keySet, query, parameters);

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                    else if (name != null) {
                        // Try to use a NameIndex to resolve the path component
                        // can match a wildcard node name here if pattern is "*" then every document matches
                        if (!attr && "*".equals(name)) {
                            SortedSet set = new TreeSet();
                            RecordSet rs = context.getFiler().getRecordSet();
                            while (rs.hasMoreRecords()) {
                                set.add(rs.getNextKey());
                            }
                            ks.add(set.toArray(EMPTY_KEYS));
                        } else {
                            // Try to use a NameIndex to resolve the path component
                            IndexPattern pattern = new IndexPattern(symbols, name, nsMap);

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            // TODO: ArrayList length is limited to the int, while filer record count is long


            // give a hint to the size of the record set, saves on arraylist array copies.
            ArrayList temp = new ArrayList((int) filer.getRecordCount());


            RecordSet set = filer.getRecordSet();
            while (set.hasMoreRecords()) {
                Key key = set.getNextKey();
                temp.add(key.toString());
            }


            return (String[]) temp.toArray(new String[temp.size()]);
        }

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                    log.trace("Index Creation: " + list[i].getName());
                }
            }


            Stopwatch sw = new Stopwatch("Populated Indexes", true);
            RecordSet rs = collection.getFiler().getRecordSet();
            while (rs.hasMoreRecords()) {
                // Read only key, we don't need filer-level value
                Key key = rs.getNextKey();
                Entry entry = collection.getEntry(key);
                if (entry.getEntryType() == Entry.DOCUMENT) {
                    try {
                        new DocumentHandler(symbols, key, (Document) entry.getValue(), DocumentHandler.ACTION_CREATE, list);
                    } catch (Exception e) {

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        if (!filer.exists()) {
            filer.create();
        }
        filer.open();


        RecordSet set = filer.getRecordSet();
        while (set.hasMoreRecords()) {
            Key key = set.getNextKey();
            filer.deleteRecord(key);
        }
        assertEquals(0, filer.getRecordCount());
    }

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        assertEquals(1, filer.getRecordCount());


        Record result = filer.readRecord(TEST_KEY, false);
        assertEquals(TEST_VALUE, result.getValue());


        RecordSet set = filer.getRecordSet();
        assertEquals(result.getValue(), set.getNextRecord().getValue());
        assertFalse(set.hasMoreRecords());


        filer.deleteRecord(TEST_KEY);
        assertEquals(0, filer.getRecordCount());
    }

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Related Classes of org.apache.xindice.core.data.RecordSet

org.apache.xindice.core.Collection

org.apache.xindice.core.filer.FilerTestBase

org.apache.xindice.core.filer.FilerTestCase

org.apache.xindice.core.indexer.IndexManager

org.apache.xindice.core.query.XPathQueryResolver$XPathQuery

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