Examples of OIndexCursor

com.orientechnologies.orient.core.index.OIndexCursor
Presentation of OrientDB index cursor for point and range queries. Cursor may iterate by several elements even if you do point query (query by single key). It is possible if you use not unique index. Contract of cursor is simple it iterates in some subset of index data till it reaches it's borders in such case {@link #nextEntry()} returns null.Cursor is created as result of index query method such as {@link com.orientechnologies.orient.core.index.OIndex#iterateEntriesBetween(Object,boolean,Object,boolean,boolean)} cursorinstance can not be used at several threads simultaneously. @author Andrey Lomakin Andrey Lomakin @since 4/4/14

Examples of com.orientechnologies.orient.core.index.OIndexCursor


    database.commit();


    Assert.assertNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> resultOne = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, resultOne);
    Assert.assertEquals(resultOne.size(), 2);


    database.begin();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.put(1, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(1)));
    index.put(2, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(2)));


    Assert.assertNotNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> result = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, result);


    Assert.assertEquals(result.size(), 2);


    database.commit();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.put(1, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(1)));
    index.put(2, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(2)));


    Assert.assertNotNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> result = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, result);


    Assert.assertEquals(result.size(), 2);
    database.commit();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor


    index.remove(1);


    Assert.assertNotNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> result = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, result);
    Assert.assertEquals(result.size(), 1);


    database.commit();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor


    index.remove(1, null);


    Assert.assertNotNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> result = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, result);
    Assert.assertEquals(result.size(), 1);


    database.commit();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.remove(1, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(1)));
    index.put(1, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(1)));


    Assert.assertNotNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetEntriesTest"));
    Set<OIdentifiable> result = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, result);


    Assert.assertEquals(result.size(), 2);


    database.commit();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    database.commit();


    Assert.assertNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetValuesTest"));


    Set<OIdentifiable> resultOne = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, resultOne);
    Assert.assertEquals(resultOne.size(), 2);


    database.begin();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.put(2, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(2)));
    database.commit();


    Assert.assertNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetValuesTest"));
    Set<OIdentifiable> resultOne = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, resultOne);
    Assert.assertEquals(resultOne.size(), 2);


    database.begin();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.put(2, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(2)));
    database.commit();


    Assert.assertNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetValuesTest"));
    Set<OIdentifiable> resultOne = new HashSet<OIdentifiable>();
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    cursorToSet(cursor, resultOne);


    Assert.assertEquals(resultOne.size(), 2);


    database.begin();

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Examples of com.orientechnologies.orient.core.index.OIndexCursor

    index.put(2, new ORecordId(clusterId, OClusterPositionFactory.INSTANCE.valueOf(2)));


    database.commit();


    Assert.assertNull(database.getTransaction().getIndexChanges("idxTxAwareOneValueGetValuesTest"));
    OIndexCursor cursor = index.iterateEntries(Arrays.asList(1, 2), true);
    Set<OIdentifiable> resultOne = new HashSet<OIdentifiable>();
    cursorToSet(cursor, resultOne);
    Assert.assertEquals(resultOne.size(), 2);


    database.begin();

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