ReadableTransaction (OpenDJ Public API Javadoc 7.0.2 Documentation)

All Known Subinterfaces:

WriteableTransaction
```
public interface ReadableTransaction
```
Represents a readable transaction on a storage engine.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`long`	`getRecordCount(TreeName treeName)`	Returns the number of key/value pairs in the provided tree.
`Cursor<ByteString,ByteString>`	`openCursor(TreeName treeName)`	Opens a cursor on the tree whose name is provided.
`ByteString`	`read(TreeName treeName, ByteSequence key)`	Reads the record's value associated to the provided key, in the tree whose name is provided.

- Method Detail
  - read
```
ByteString read(TreeName treeName,
                ByteSequence key)
```
    Reads the record's value associated to the provided key, in the tree whose name is provided.
    
    Parameters:
    
    treeName - the tree name
    
    key - the record's key
    
    Returns:
    
    the record's value, or null if none exists
  - openCursor
```
Cursor<ByteString,ByteString> openCursor(TreeName treeName)
```
    Opens a cursor on the tree whose name is provided.
    
    Parameters:
    
    treeName - the tree name
    
    Returns:
    
    a new cursor
  - getRecordCount
```
long getRecordCount(TreeName treeName)
```
    Returns the number of key/value pairs in the provided tree.
    
    Parameters:
    
    treeName - the tree name
    
    Returns:
    
    the number of key/value pairs in the provided tree.