Java OIndex.remove方法代码示例

import com.orientechnologies.orient.core.index.OIndex; //导入方法依赖的package包/类
@Override
public void remove(IGraphNode n) {
	final OrientNode oNode = (OrientNode)n;

	final OIdentifiable toRemove = oNode.getId().isPersistent() ? oNode.getId() : oNode.getDocument();
	List<Entry<String, Map<String, List<Object>>>> indices = oNode.removeIndexFields(escapedName);
	for (Entry<String, Map<String, List<Object>>> index : indices) {
		final String indexName = index.getKey();
		OIndex<?> oIndex = getIndexManager().getIndex(indexName);
		for (Entry<String, List<Object>> idxEntry : index.getValue().entrySet()) {
			final String field = idxEntry.getKey();
			for (Object key : idxEntry.getValue()) {
				oIndex.remove(new OCompositeKey(field, key), toRemove);
			}
		}
	}
}
 

import com.orientechnologies.orient.core.index.OIndex; //导入方法依赖的package包/类
private static void processSingleIndexUpdate(final OIndex<?> index, final Set<String> dirtyFields, final ODocument iRecord) {
  final OIndexDefinition indexDefinition = index.getDefinition();
  final List<String> indexFields = indexDefinition.getFields();

  if (indexFields.isEmpty())
    return;

  final String indexField = indexFields.get(0);
  if (!dirtyFields.contains(indexField))
    return;

  final OMultiValueChangeTimeLine<?, ?> multiValueChangeTimeLine = iRecord.getCollectionTimeLine(indexField);
  if (multiValueChangeTimeLine != null) {
    final OIndexDefinitionMultiValue indexDefinitionMultiValue = (OIndexDefinitionMultiValue) indexDefinition;
    final Map<Object, Integer> keysToAdd = new HashMap<Object, Integer>();
    final Map<Object, Integer> keysToRemove = new HashMap<Object, Integer>();

    for (OMultiValueChangeEvent<?, ?> changeEvent : multiValueChangeTimeLine.getMultiValueChangeEvents()) {
      indexDefinitionMultiValue.processChangeEvent(changeEvent, keysToAdd, keysToRemove);
    }

    for (final Object keyToRemove : keysToRemove.keySet())
      index.remove(keyToRemove, iRecord);

    for (final Object keyToAdd : keysToAdd.keySet())
      index.put(keyToAdd, iRecord.placeholder());

  } else {
    final Object origValue = indexDefinition.createValue(iRecord.getOriginalValue(indexField));
    final Object newValue = indexDefinition.getDocumentValueToIndex(iRecord);

    processIndexUpdateFieldAssignment(index, iRecord, origValue, newValue);
  }
}
 

import com.orientechnologies.orient.core.index.OIndex; //导入方法依赖的package包/类
private static void processIndexUpdateFieldAssignment(OIndex<?> index, ODocument iRecord, final Object origValue,
    final Object newValue) {
  if ((origValue instanceof Collection) && (newValue instanceof Collection)) {
    final Set<Object> valuesToRemove = new HashSet<Object>((Collection<?>) origValue);
    final Set<Object> valuesToAdd = new HashSet<Object>((Collection<?>) newValue);

    valuesToRemove.removeAll((Collection<?>) newValue);
    valuesToAdd.removeAll((Collection<?>) origValue);

    for (final Object valueToRemove : valuesToRemove) {
      if (valueToRemove != null) {
        index.remove(valueToRemove, iRecord);
      }
    }

    for (final Object valueToAdd : valuesToAdd) {
      if (valueToAdd != null) {
        index.put(valueToAdd, iRecord);
      }
    }
  } else {
    deleteIndexKey(index, iRecord, origValue);

    if (newValue instanceof Collection) {
      for (final Object newValueItem : (Collection<?>) newValue) {
        index.put(newValueItem, iRecord.placeholder());
      }
    } else if (newValue != null) {
      index.put(newValue, iRecord.placeholder());
    }
  }
}
 

import com.orientechnologies.orient.core.index.OIndex; //导入方法依赖的package包/类
private static void deleteIndexKey(final OIndex<?> index, final ODocument iRecord, final Object origValue) {
  if (origValue instanceof Collection) {
    for (final Object valueItem : (Collection<?>) origValue) {
      if (valueItem != null)
        index.remove(valueItem, iRecord);
    }
  } else if (origValue != null) {
    index.remove(origValue, iRecord);
  }
}