com.mesosphere.sdk.storage

Class PersisterUtils

java.lang.Object

com.mesosphere.sdk.storage.PersisterUtils

public class PersisterUtils
extends java.lang.Object

Utilities relating to usage of Persisters.

Field Summary

Fields

Modifier and Type	Field and Description
static char	PATH_DELIM The path delimiter used in all Persister implementations.
static java.lang.String	PATH_DELIM_STR String representation of PATH_DELIM.

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,byte[]>	getAllData(Persister persister) Returns all data present within the provided Persister in a flat map, omitting any stub parent entries with null data.
static java.util.Collection<java.lang.String>	getAllKeys(Persister persister) Returns a complete list of all keys present within the provided Persister in a flat list, including stub parent entries which may lack data.
static java.util.List<java.lang.String>	getParentPaths(java.lang.String path) Returns a recursive list of all paths which are the parent of the provided path.
static java.lang.String	join(java.lang.String first, java.lang.String second) Combines the provided path elements into a unified path, autocorrecting for any delimiters within the elements.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PATH_DELIM

public static final char PATH_DELIM

The path delimiter used in all Persister implementations.

See Also:

Constant Field Values

PATH_DELIM_STR

public static final java.lang.String PATH_DELIM_STR

String representation of PATH_DELIM.

Method Detail

join

public static java.lang.String join(java.lang.String first,
                                    java.lang.String second)

Combines the provided path elements into a unified path, autocorrecting for any delimiters within the elements.

getParentPaths

public static java.util.List<java.lang.String> getParentPaths(java.lang.String path)

Returns a recursive list of all paths which are the parent of the provided path.

/path/to/thing => ["/path", "/path/to"] (skip "/" and "/path/to/thing")

getAllData

public static java.util.Map<java.lang.String,byte[]> getAllData(Persister persister)
                                                         throws PersisterException

Returns all data present within the provided Persister in a flat map, omitting any stub parent entries with null data.

Throws:

PersisterException - if the underlying Persister couldn't be accessed

getAllKeys

public static java.util.Collection<java.lang.String> getAllKeys(Persister persister)
                                                         throws PersisterException

Returns a complete list of all keys present within the provided Persister in a flat list, including stub parent entries which may lack data.

Throws:

PersisterException - if the underlying Persister couldn't be accessed