Examples with HashIndex org.apache.geode.cache.query.internal.index.HashIndex used on opensource projects

Example 1 with HashIndex

use of org.apache.geode.cache.query.internal.index.HashIndex in project geode by apache.

the class MultiIndexCreationJUnitTest method testBasicMultiIndexCreationDifferentTypes.

@Test
public void testBasicMultiIndexCreationDifferentTypes() throws Exception {
    Region r = CacheUtils.getRegion(regionName);
    for (int i = 0; i < 10; i++) {
        r.put("" + i, new Portfolio(i));
    }
    QueryService qs = CacheUtils.getQueryService();
    qs.defineIndex("statusIndex", "status", r.getFullPath());
    qs.defineHashIndex("IDIndex", "ID", r.getFullPath());
    qs.defineKeyIndex("keyIDIndex", "ID", r.getFullPath());
    List<Index> indexes = qs.createDefinedIndexes();
    assertEquals("Only 3 indexes should have been created. ", 3, indexes.size());
    Index ind = qs.getIndex(r, "statusIndex");
    assertTrue(ind instanceof CompactRangeIndex);
    assertEquals(2, ind.getStatistics().getNumberOfKeys());
    assertEquals(10, ind.getStatistics().getNumberOfValues());
    ind = qs.getIndex(r, "IDIndex");
    assertTrue(ind instanceof HashIndex);
    assertEquals(10, ind.getStatistics().getNumberOfValues());
    ind = qs.getIndex(r, "keyIDIndex");
    assertTrue(ind instanceof PrimaryKeyIndex);
    assertEquals(10, ind.getStatistics().getNumberOfKeys());
    assertEquals(10, ind.getStatistics().getNumberOfValues());
    QueryObserver old = QueryObserverHolder.setInstance(new QueryObserverAdapter() {

        private boolean indexCalled = false;

        public void afterIndexLookup(Collection results) {
            indexCalled = true;
        }

        public void endQuery() {
            assertTrue(indexCalled);
        }
    });
    String[] queries = { "select * from " + r.getFullPath() + " where status = 'active'", "select * from " + r.getFullPath() + " where ID > 4" };
    for (int i = 0; i < queries.length; i++) {
        SelectResults sr = (SelectResults) qs.newQuery(queries[i]).execute();
        assertEquals(5, sr.size());
    }
    QueryObserverHolder.setInstance(old);
}

Example 2 with HashIndex

use of org.apache.geode.cache.query.internal.index.HashIndex in project geode by apache.

the class CacheXmlGenerator method generate.

/**
   * Generates XML for an index
   */
private void generate(Index index) throws SAXException {
    if (index == null) {
        return;
    }
    AttributesImpl atts = new AttributesImpl();
    if (index instanceof IndexCreationData) {
        IndexCreationData indexData = (IndexCreationData) index;
        atts.addAttribute("", "", NAME, "", indexData.getIndexName());
        String indexType = indexData.getIndexType();
        if (indexType.equals("KEY")) {
            atts.addAttribute("", "", KEY_INDEX, "", "true");
        } else {
            // convert the indexType to the xml indexType
            if (indexType.equals("HASH")) {
                indexType = HASH_INDEX_TYPE;
            } else {
                indexType = RANGE_INDEX_TYPE;
            }
            atts.addAttribute("", "", KEY_INDEX, "", "false");
            atts.addAttribute("", "", INDEX_TYPE, "", "" + indexType);
        }
        atts.addAttribute("", "", FROM_CLAUSE, "", indexData.getIndexFromClause());
        atts.addAttribute("", "", EXPRESSION, "", indexData.getIndexExpression());
    } else {
        atts.addAttribute("", "", NAME, "", index.getName());
        if (index instanceof PrimaryKeyIndex) {
            atts.addAttribute("", "", KEY_INDEX, "", "true");
        } else {
            atts.addAttribute("", "", KEY_INDEX, "", "false");
            String indexType = "range";
            if (index instanceof HashIndex) {
                indexType = "hash";
            }
            atts.addAttribute("", "", INDEX_TYPE, "", "" + indexType);
        }
        atts.addAttribute("", "", FROM_CLAUSE, "", index.getFromClause());
        atts.addAttribute("", "", EXPRESSION, "", index.getIndexedExpression());
    }
    handler.startElement("", INDEX, INDEX, atts);
    handler.endElement("", INDEX, INDEX);
}