/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.IndexOperations#dropIndex(java.lang.String)
*/
public void dropIndex(final String name) {
mongoOperations.execute(
collectionName,
new CollectionCallback<Void>() {
public Void doInCollection(DBCollection collection)
throws MongoException, DataAccessException {
collection.dropIndex(name);
return null;
}
});
}
/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.IndexOperations#resetIndexCache()
*/
public void resetIndexCache() {
mongoOperations.execute(
collectionName,
new CollectionCallback<Void>() {
public Void doInCollection(DBCollection collection)
throws MongoException, DataAccessException {
collection.resetIndexCache();
return null;
}
});
}
/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.IndexOperations#ensureIndex(org.springframework.data.mongodb.core.index.IndexDefinition)
*/
public void ensureIndex(final IndexDefinition indexDefinition) {
mongoOperations.execute(
collectionName,
new CollectionCallback<Object>() {
public Object doInCollection(DBCollection collection)
throws MongoException, DataAccessException {
DBObject indexOptions = indexDefinition.getIndexOptions();
if (indexOptions != null) {
collection.ensureIndex(indexDefinition.getIndexKeys(), indexOptions);
} else {
collection.ensureIndex(indexDefinition.getIndexKeys());
}
return null;
}
});
}
/*
* (non-Javadoc)
* @see org.springframework.data.mongodb.core.IndexOperations#getIndexInfo()
*/
public List<IndexInfo> getIndexInfo() {
return mongoOperations.execute(
collectionName,
new CollectionCallback<List<IndexInfo>>() {
public List<IndexInfo> doInCollection(DBCollection collection)
throws MongoException, DataAccessException {
List<DBObject> dbObjectList = collection.getIndexInfo();
return getIndexData(dbObjectList);
}
private List<IndexInfo> getIndexData(List<DBObject> dbObjectList) {
List<IndexInfo> indexInfoList = new ArrayList<IndexInfo>();
for (DBObject ix : dbObjectList) {
DBObject keyDbObject = (DBObject) ix.get("key");
int numberOfElements = keyDbObject.keySet().size();
List<IndexField> indexFields = new ArrayList<IndexField>(numberOfElements);
for (String key : keyDbObject.keySet()) {
Object value = keyDbObject.get(key);
if (TWO_D_IDENTIFIERS.contains(value)) {
indexFields.add(IndexField.geo(key));
} else if ("text".equals(value)) {
DBObject weights = (DBObject) ix.get("weights");
for (String fieldName : weights.keySet()) {
indexFields.add(
IndexField.text(
fieldName, Float.valueOf(weights.get(fieldName).toString())));
}
} else {
Double keyValue = new Double(value.toString());
if (ONE.equals(keyValue)) {
indexFields.add(IndexField.create(key, ASC));
} else if (MINUS_ONE.equals(keyValue)) {
indexFields.add(IndexField.create(key, DESC));
}
}
}
String name = ix.get("name").toString();
boolean unique = ix.containsField("unique") ? (Boolean) ix.get("unique") : false;
boolean dropDuplicates =
ix.containsField("dropDups") ? (Boolean) ix.get("dropDups") : false;
boolean sparse = ix.containsField("sparse") ? (Boolean) ix.get("sparse") : false;
String language =
ix.containsField("default_language") ? (String) ix.get("default_language") : "";
indexInfoList.add(
new IndexInfo(indexFields, name, unique, dropDuplicates, sparse, language));
}
return indexInfoList;
}
});
}