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

Package com.orientechnologies.orient.core.index

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

com.orientechnologies.orient.core.index.OIndex
Basic interface to handle index. @author Luca Garulli (l.garulli--at--orientechnologies.com)

    List<Profile> result = database.command(new OSQLSynchQuery<Profile>("select * from Profile where nick is not null")).execute();


    for (Profile p : result)
      database.getRecordByUserObject(p, false);


    OIndex idx = database.getMetadata().getIndexManager().getIndex("Profile.nick");


    Assert.assertEquals(idx.getSize(), result.size());


    Iterator<Entry<Object, Set<OIdentifiable>>> it = idx.iterator();
    while (it.hasNext()) {
      it.next();
    }
  }

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    for (int key = 0; key <= 5; key++) {
      database.command(new OCommandSQL("insert into index:equalityIdx (key,rid) values (" + key + ",#10:" + key + ")")).execute();
    }


    final OIndex index = database.getMetadata().getIndexManager().getIndex("equalityIdx");


    final Collection<Long> valuesMajorResults = new ArrayList<Long>(Arrays.asList(4L, 5L));
    Collection<OIdentifiable> indexCollection = index.getValuesMajor(3, false);
    Assert.assertEquals(indexCollection.size(), 2);
    for (OIdentifiable identifiable : indexCollection) {
      valuesMajorResults.remove(identifiable.getIdentity().getClusterPosition());
    }
    Assert.assertEquals(valuesMajorResults.size(), 0);


    final Collection<Long> valuesMajorInclusiveResults = new ArrayList<Long>(Arrays.asList(3L, 4L, 5L));
    indexCollection = index.getValuesMajor(3, true);
    Assert.assertEquals(indexCollection.size(), 3);
    for (OIdentifiable identifiable : indexCollection) {
      valuesMajorInclusiveResults.remove(identifiable.getIdentity().getClusterPosition());
    }
    Assert.assertEquals(valuesMajorInclusiveResults.size(), 0);


    indexCollection = index.getValuesMajor(5, true);
    Assert.assertEquals(indexCollection.size(), 1);
    Assert.assertEquals(indexCollection.iterator().next().getIdentity().getClusterPosition(), 5L);


    indexCollection = index.getValuesMajor(5, false);
    Assert.assertEquals(indexCollection.size(), 0);


    database.command(new OCommandSQL("drop index equalityIdx")).execute();
  }

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    for (int key = 0; key <= 5; key++) {
      database.command(new OCommandSQL("insert into index:equalityIdx (key,rid) values (" + key + ",#10:" + key + ")")).execute();
    }


    final OIndex index = database.getMetadata().getIndexManager().getIndex("equalityIdx");


    final Collection<Integer> valuesMajorResults = new ArrayList<Integer>(Arrays.asList(4, 5));
    Collection<ODocument> indexCollection = index.getEntriesMajor(3, false);
    Assert.assertEquals(indexCollection.size(), 2);
    for (ODocument doc : indexCollection) {
      valuesMajorResults.remove(doc.<Integer> field("key"));
      Assert.assertEquals(doc.<ORecordId> rawField("rid"), new ORecordId(10, doc.<Integer> field("key").longValue()));
    }
    Assert.assertEquals(valuesMajorResults.size(), 0);


    final Collection<Integer> valuesMajorInclusiveResults = new ArrayList<Integer>(Arrays.asList(3, 4, 5));
    indexCollection = index.getEntriesMajor(3, true);
    Assert.assertEquals(indexCollection.size(), 3);
    for (ODocument doc : indexCollection) {
      valuesMajorInclusiveResults.remove(doc.<Integer> field("key"));
      Assert.assertEquals(doc.<ORecordId> rawField("rid"), new ORecordId(10, doc.<Integer> field("key").longValue()));
    }
    Assert.assertEquals(valuesMajorInclusiveResults.size(), 0);


    indexCollection = index.getEntriesMajor(5, true);
    Assert.assertEquals(indexCollection.size(), 1);
    Assert.assertEquals(indexCollection.iterator().next().<Integer> field("key"), Integer.valueOf(5));
    Assert.assertEquals(indexCollection.iterator().next().<ORecordId> rawField("rid"), new ORecordId(10, 5));


    indexCollection = index.getEntriesMajor(5, false);
    Assert.assertEquals(indexCollection.size(), 0);


    database.command(new OCommandSQL("drop index equalityIdx")).execute();
  }

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    for (int key = 0; key <= 5; key++) {
      database.command(new OCommandSQL("insert into index:equalityIdx (key,rid) values (" + key + ",#10:" + key + ")")).execute();
    }


    final OIndex index = database.getMetadata().getIndexManager().getIndex("equalityIdx");


    final Collection<Long> valuesMinorResults = new ArrayList<Long>(Arrays.asList(0L, 1L, 2L));
    Collection<OIdentifiable> indexCollection = index.getValuesMinor(3, false);
    Assert.assertEquals(indexCollection.size(), 3);
    for (OIdentifiable identifiable : indexCollection) {
      valuesMinorResults.remove(identifiable.getIdentity().getClusterPosition());
    }
    Assert.assertEquals(valuesMinorResults.size(), 0);


    final Collection<Long> valuesMinorInclusiveResults = new ArrayList<Long>(Arrays.asList(0L, 1L, 2L, 3L));
    indexCollection = index.getValuesMinor(3, true);
    Assert.assertEquals(indexCollection.size(), 4);
    for (OIdentifiable identifiable : indexCollection) {
      valuesMinorInclusiveResults.remove(identifiable.getIdentity().getClusterPosition());
    }
    Assert.assertEquals(valuesMinorInclusiveResults.size(), 0);


    indexCollection = index.getValuesMinor(0, true);
    Assert.assertEquals(indexCollection.size(), 1);
    Assert.assertEquals(indexCollection.iterator().next().getIdentity().getClusterPosition(), 0L);


    indexCollection = index.getValuesMinor(0, false);
    Assert.assertEquals(indexCollection.size(), 0);


    database.command(new OCommandSQL("drop index equalityIdx")).execute();
  }

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    for (int key = 0; key <= 5; key++) {
      database.command(new OCommandSQL("insert into index:equalityIdx (key,rid) values (" + key + ",#10:" + key + ")")).execute();
    }


    final OIndex index = database.getMetadata().getIndexManager().getIndex("equalityIdx");


    final Collection<Integer> valuesMinorResults = new ArrayList<Integer>(Arrays.asList(0, 1, 2));
    Collection<ODocument> indexCollection = index.getEntriesMinor(3, false);
    Assert.assertEquals(indexCollection.size(), 3);
    for (ODocument doc : indexCollection) {
      valuesMinorResults.remove(doc.<Integer> field("key"));
      Assert.assertEquals(doc.<ORecordId> rawField("rid"), new ORecordId(10, doc.<Integer> field("key").longValue()));
    }
    Assert.assertEquals(valuesMinorResults.size(), 0);


    final Collection<Integer> valuesMinorInclusiveResults = new ArrayList<Integer>(Arrays.asList(0, 1, 2, 3));
    indexCollection = index.getEntriesMinor(3, true);
    Assert.assertEquals(indexCollection.size(), 4);
    for (ODocument doc : indexCollection) {
      valuesMinorInclusiveResults.remove(doc.<Integer> field("key"));
      Assert.assertEquals(doc.<ORecordId> rawField("rid"), new ORecordId(10, doc.<Integer> field("key").longValue()));
    }
    Assert.assertEquals(valuesMinorInclusiveResults.size(), 0);


    indexCollection = index.getEntriesMinor(0, true);
    Assert.assertEquals(indexCollection.size(), 1);
    Assert.assertEquals(indexCollection.iterator().next().<Integer> field("key"), Integer.valueOf(0));
    Assert.assertEquals(indexCollection.iterator().next().<ORecordId> rawField("rid"), new ORecordId(10, 0));


    indexCollection = index.getEntriesMinor(0, false);
    Assert.assertEquals(indexCollection.size(), 0);


    database.command(new OCommandSQL("drop index equalityIdx")).execute();
  }

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    for (int key = 0; key <= 5; key++) {
      database.command(new OCommandSQL("insert into index:equalityIdx (key,rid) values (" + key + ",#10:" + key + ")")).execute();
    }


    final OIndex index = database.getMetadata().getIndexManager().getIndex("equalityIdx");


    final Collection<Integer> betweenResults = new ArrayList<Integer>(Arrays.asList(1, 2, 3));
    Collection<ODocument> indexCollection = index.getEntriesBetween(1, 3);
    Assert.assertEquals(indexCollection.size(), 3);
    for (ODocument doc : indexCollection) {
      betweenResults.remove(doc.<Integer> field("key"));
      Assert.assertEquals(doc.<ORecordId> rawField("rid"), new ORecordId(10, doc.<Integer> field("key").longValue()));
    }

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    }


  public void LongTypes() {
    database.getMetadata().getSchema().getClass("Profile").createProperty("hash", OType.LONG).createIndex(INDEX_TYPE.UNIQUE);


    OIndex idx = database.getMetadata().getIndexManager().getIndex("Profile.hash");


    for (int i = 0; i < 5; i++) {
      Profile profile = new Profile("HashTest1").setHash(100l + i);
      database.save(profile);
    }


    Iterator<Entry<Object, Set<OIdentifiable>>> it = idx.iterator();
    while (it.hasNext()) {
      it.next();
    }


    Assert.assertEquals(idx.getSize(), 5);
  }

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    final List<Account> result = database.command(new OSQLSynchQuery<Profile>("select * from Account limit 1")).execute();


    // Assert.assertEquals(result.size(), 1);


    OIndex idx = database.getMetadata().getIndexManager().getIndex("Whiz.account");


    for (int i = 0; i < 5; i++) {
      ODocument whiz = new ODocument(database.getUnderlying(), "Whiz");


      whiz.field("id", i);
      whiz.field("text", "This is a test");
      whiz.field("account", result.get(0).getRid());


      whiz.save();
    }


    Assert.assertEquals(idx.getSize(), 1);


    List<ODocument> indexedResult = database.getUnderlying()
        .command(new OSQLSynchQuery<Profile>("select * from Whiz where account = ?")).execute(result.get(0).getRid());


    Assert.assertEquals(indexedResult.size(), 5);

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  public Object execute(final Map<Object, Object> iArgs) {
    if (fields == null)
      throw new OCommandExecutionException("Can't execute the command because it hasn't been parsed yet");


    if (indexName != null) {
      final OIndex index = database.getMetadata().getIndexManager().getIndex(indexName);
      if (index == null)
        throw new OCommandExecutionException("Target index '" + indexName + "' not found");


      // BIND VALUES
      index.put(fields.get(KEYWORD_KEY), (OIdentifiable) fields.get(KEYWORD_RID));
      return null;
    } else {
      // CREATE NEW DOCUMENT
      ODocument doc = className != null ? new ODocument(database, className) : new ODocument(database);

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   */
  public Object execute(final Map<Object, Object> iArgs) {
    if (name == null)
      throw new OCommandExecutionException("Can't execute the command because it hasn't been parsed yet");


    final OIndex idx;
    if (name.indexOf('.') > -1) {
      // PROPERTY INDEX
      final String[] parts = name.split("\\.");
      final String className = parts[0];
      if (className == null)
        throw new OCommandExecutionException("Class " + className + " not found");
      String fieldName = parts[1];


      final OClass cls = database.getMetadata().getSchema().getClass(className);
      if (cls == null)
        throw new OCommandExecutionException("Class '" + className + "' not found");


      final OPropertyImpl prop = (OPropertyImpl) cls.getProperty(fieldName);
      if (prop == null)
        throw new IllegalArgumentException("Property '" + fieldName + "' was not found in class '" + cls + "'");


      idx = prop.createIndexInternal(indexType.toUpperCase(), progressListener).getUnderlying();
    } else {
      idx = database.getMetadata().getIndexManager().createIndex(name, indexType.toUpperCase(), keyType, null, null, null, false);
    }


    if (idx != null)
      return idx.getSize();


    return null;
  }

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