Example usage for com.mongodb DBCollection getIndexInfo

Introduction

In this page you can find the example usage for com.mongodb DBCollection getIndexInfo.

Prototype

public List<DBObject> getIndexInfo() 

Source Link

Document

Return a list of the indexes for this collection.

Usage

From source file:com.hangum.tadpole.mongodb.core.test.MongoTestIndex.java

License:Open Source License

/**
 * @param args//from  ww  w.  j  a  v a 2 s  .  co  m
 */
public static void main(String[] args) throws Exception {

    //      for(int i=0; i<1000000; i++) {
    ConAndAuthentication testMongoCls = new ConAndAuthentication();
    Mongo mongo = testMongoCls.connection(ConAndAuthentication.serverurl, ConAndAuthentication.port);
    DB db = mongo.getDB("test");

    Set<String> setCollection = db.getCollectionNames();
    for (String colName : setCollection) {
        DBCollection col = db.getCollection(colName);
        List<DBObject> listIndex = col.getIndexInfo();
        System.out.println("[colection]" + colName);
        for (DBObject dbObject : listIndex) {
            System.out.println("\t" + dbObject);
            //               Map<String, Integer> objMap = (Map)dbObject.get("key");
            //               Set<String> objMapKey = objMap.keySet();
            //               for (String strKey : objMapKey) {
            //                  System.out.println("[key]" + strKey + "\t [value]" + objMap.get(strKey).toString());
            //               }
        }
    }

    mongo.close();

    try {
        Thread.sleep(1);
    } catch (Exception e) {
    }
    //      }
}

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From source file:com.hangum.tadpole.mongodb.erd.core.dnd.TableTransferDropTargetListener.java

License:Open Source License

/**
 * table?   .//w w  w  .  ja  v a 2 s .  c  o m
 * 
 * @param strTBName
 * @return
 * @throws Exception
 */
public List<CollectionFieldDAO> getColumns(String strTBName) throws Exception {
    Mongo mongo = new Mongo(new DBAddress(userDB.getUrl()));
    com.mongodb.DB mongoDB = mongo.getDB(userDB.getDb());
    DBCollection coll = mongoDB.getCollection(strTBName);

    return MongoDBTableColumn.tableColumnInfo(coll.getIndexInfo(), coll.findOne());
}

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From source file:com.ikanow.infinit.e.processing.generic.GenericProcessingController.java

License:Open Source License

private static void addIndexIfNeeded(DBCollection coll, String indexToCheck, int nIndexIndex,
        BasicDBObject newIndex) {/*from  ww w  .  j a v  a  2s.c  om*/
    StringBuffer indexNameStrBuff = new StringBuffer(indexToCheck);
    if (0 != nIndexIndex) {
        indexNameStrBuff.append("_").append(nIndexIndex);
    }
    String indexName2 = indexNameStrBuff.toString();
    List<DBObject> list = coll.getIndexInfo();
    for (DBObject dbo : list) {
        String name = (String) dbo.get("name");
        if (indexName2.equalsIgnoreCase(name)) {
            return; // no need to create a new index
        }
    }
    // If we're here then we didn't find the index so create a new index
    try {
        coll.ensureIndex(newIndex);
    } catch (Exception e) {
    }
}

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From source file:com.ikanow.infinit.e.processing.generic.GenericProcessingController.java

License:Open Source License

private static void dropIndexIfNotNeeded(DBCollection coll, String indexToCheck, int nIndexToCheckIndex,
        String indexToDelete, int nIndexToDeleteIndex) {
    StringBuffer indexNameStrBuff = new StringBuffer(indexToCheck);
    if (0 != nIndexToCheckIndex) {
        indexNameStrBuff.append("_").append(nIndexToCheckIndex);
    }/*www.  java2  s  . com*/
    String indexToCheck2 = indexNameStrBuff.toString();
    indexNameStrBuff.setLength(0);
    indexNameStrBuff.append(indexToDelete);
    if (0 != nIndexToDeleteIndex) {
        indexNameStrBuff.append("_").append(nIndexToDeleteIndex);
    }

    boolean foundIndexToDelete = false;
    boolean foundIndexToCheck = false;
    String indexToDelete2 = indexNameStrBuff.toString();
    List<DBObject> list = coll.getIndexInfo();
    for (DBObject dbo : list) {
        String name = (String) dbo.get("name");
        if (indexToCheck2.equalsIgnoreCase(name)) {
            foundIndexToCheck = true;
        } else if (indexToDelete2.equalsIgnoreCase(name)) {
            foundIndexToDelete = true;
        }
    }
    if (foundIndexToCheck && foundIndexToDelete) {
        try {
            coll.dropIndex(indexToDelete2);
        } catch (Exception e) {
        }
    }
}

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From source file:com.ikanow.infinit.e.processing.generic.GenericProcessingController.java

License:Open Source License

private void dropIndexIfItExists(DBCollection coll, String indexName, int nIndexIndex) {
    StringBuffer indexNameStrBuff = new StringBuffer(indexName);
    if (0 != nIndexIndex) {
        indexNameStrBuff.append("_").append(nIndexIndex);
    }//from  www . j a va2s .  com
    String indexName2 = indexNameStrBuff.toString();
    List<DBObject> list = coll.getIndexInfo();
    for (DBObject dbo : list) {
        String name = (String) dbo.get("name");
        if (indexName2.equalsIgnoreCase(name)) {
            try {
                coll.dropIndex(name);
            } catch (Exception e) {
            }
        }
    }
}

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From source file:com.impetus.client.mongodb.MongoDBClient.java

License:Apache License

/**
 * Creates the index.//  w  w w .  j a v  a 2s  . c  o m
 * 
 * @param collectionName
 *            the collection name
 * @param columnList
 *            the column list
 * @param order
 *            the order
 */
public void createIndex(String collectionName, List<String> columnList, int order) {
    DBCollection coll = mongoDb.getCollection(collectionName);

    List<DBObject> indexes = coll.getIndexInfo(); // List of all current
    // indexes on collection
    Set<String> indexNames = new HashSet<String>(); // List of all current
    // index names
    for (DBObject index : indexes) {
        BasicDBObject obj = (BasicDBObject) index.get("key");
        Set<String> set = obj.keySet(); // Set containing index name which
        // is key
        indexNames.addAll(set);
    }

    // Create index if not already created
    for (String columnName : columnList) {
        if (!indexNames.contains(columnName)) {
            KunderaCoreUtils.printQuery("Create index on:" + columnName, showQuery);
            coll.createIndex(new BasicDBObject(columnName, order));
        }
    }
}

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From source file:com.liferay.mongodb.hook.listeners.ExpandoColumnListener.java

License:Open Source License

protected void doOnAfterRemove(ExpandoColumn expandoColumn) throws Exception {

    ExpandoTable expandoTable = ExpandoTableLocalServiceUtil.getTable(expandoColumn.getTableId());

    DBCollection dbCollection = MongoDBUtil.getCollection(expandoTable);

    for (DBObject indexDBObject : dbCollection.getIndexInfo()) {
        DBObject keyDBObject = (DBObject) indexDBObject.get("key");

        if (keyDBObject.containsField(expandoColumn.getName())) {
            dbCollection.dropIndex(keyDBObject);
        }//from  w  w  w .j a  v  a2 s.  co m
    }

    DBObject operatorDBObject = new BasicDBObject(MongoOperator.UNSET,
            new BasicDBObject(expandoColumn.getName(), 1));

    dbCollection.update(new BasicDBObject(), operatorDBObject, false, true);
}

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From source file:com.mebigfatguy.mongobrowser.actions.ManageIndicesAction.java

License:Apache License

private List<IndexDescription> buildIndexDescriptions(DBCollection collection) {
    List<IndexDescription> indices = new ArrayList<IndexDescription>();
    List<DBObject> dbIndices = collection.getIndexInfo();
    for (DBObject dbIndex : dbIndices) {
        String name = (String) dbIndex.get(MongoConstants.NAME);
        Map<String, Integer> srcFields = (Map<String, Integer>) dbIndex.get(MongoConstants.KEY);
        IndexFieldList fieldSet = new IndexFieldList();

        for (Map.Entry<String, Integer> entry : srcFields.entrySet()) {
            fieldSet.add(entry.getKey(), MongoConstants.ASCENDING.equals(entry.getValue()));
        }/*w  w  w  . j  ava2s.co m*/

        indices.add(new IndexDescription(name, fieldSet));
    }

    return indices;
}

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From source file:com.mebigfatguy.mongobrowser.dialogs.MongoTreeCellRenderer.java

License:Apache License

@Override
public Component getTreeCellRendererComponent(JTree tree, Object value, boolean sel, boolean expanded,
        boolean leaf, int row, boolean hasFocus) {

    MongoTreeNode treeNode = (MongoTreeNode) value;

    JLabel label = (JLabel) super.getTreeCellRendererComponent(tree, value, sel, expanded, leaf, row, hasFocus);
    label.setHorizontalTextPosition(JLabel.RIGHT);
    label.setVerticalTextPosition(JLabel.CENTER);

    label.setIcon(null);// w  w w .  ja va  2 s  . co m

    if (treeNode.getType() == Type.KeyValue) {
        MongoTreeNode parentTreeNode = treeNode;

        do {
            parentTreeNode = (MongoTreeNode) parentTreeNode.getParent();
        } while ((parentTreeNode != null) && (parentTreeNode.getType() != Type.Collection));

        if (parentTreeNode != null) {

            DBCollection collection = (DBCollection) parentTreeNode.getUserObject();
            List<DBObject> indices = collection.getIndexInfo();
            String key = ((KV) treeNode.getUserObject()).getKey();

            for (DBObject index : indices) {
                BasicDBObject kvIndex = (BasicDBObject) index.get(MongoConstants.KEY);
                if (kvIndex.get(key) != null) {
                    label.setIcon(indexIcon);
                    break;
                }
            }
        }
    }

    return label;
}

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From source file:com.nlp.twitterstream.MongoUtil.java

License:Open Source License

/**
 * Get list of indexes on a collection/*  w ww.  j ava 2  s  . c  om*/
 * 
 * @param collection
 * @return index List<DBObject>
 */
public List<DBObject> getIndexList(DBCollection collection) {
    List<DBObject> list = collection.getIndexInfo();

    return list;
}

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