io.pravega.client.tables

Class TableEntry<KeyT,ValueT>

java.lang.Object

io.pravega.client.tables.TableEntry<KeyT,ValueT>

Type Parameters:

KeyT - Key Type.

ValueT - Value Type

public class TableEntry<KeyT,ValueT>
extends java.lang.Object

A KeyValueTable Entry.

Method Summary

Modifier and Type	Method and Description
@NonNull TableKey<KeyT>	getKey() The TableKey.
ValueT	getValue() The Value.
static <KeyT,ValueT> TableEntry<KeyT,ValueT>	notExists(KeyT key, ValueT value) Creates a new TableEntry with a version that indicates the key must not exist.
java.lang.String	toString()
static <KeyT,ValueT> TableEntry<KeyT,ValueT>	unversioned(KeyT key, ValueT value) Creates a new TableEntry with no specific version.
static <KeyT,ValueT> TableEntry<KeyT,ValueT>	versioned(KeyT key, Version version, ValueT value) Creates a new TableEntry with a specific key version..

Methods inherited from class java.lang.Object

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

Method Detail

unversioned

public static <KeyT,ValueT> TableEntry<KeyT,ValueT> unversioned(KeyT key,
                                                                ValueT value)

Creates a new TableEntry with no specific version. When used with KeyValueTable.replaceAll(java.lang.String, java.lang.Iterable<io.pravega.client.tables.TableEntry<KeyT, ValueT>>), this TableEntry will be treated as an unconditional update.

Type Parameters:

KeyT - Key Type.

ValueT - Value Type.

Parameters:

key - The Entry Key.

value - The Entry Value.

Returns:

An unversioned TableEntry (version set to Version.NO_VERSION).

notExists

public static <KeyT,ValueT> TableEntry<KeyT,ValueT> notExists(KeyT key,
                                                              ValueT value)

Creates a new TableEntry with a version that indicates the key must not exist. When used with KeyValueTable.replaceAll(java.lang.String, java.lang.Iterable<io.pravega.client.tables.TableEntry<KeyT, ValueT>>), this TableEntry will be treated as a conditional update, conditioned on the Key not existing.

Type Parameters:

KeyT - Key Type.

ValueT - Value Type.

Parameters:

key - The Entry Key.

value - The Entry Value.

Returns:

A TableEntry with a version set to Version.NOT_EXISTS.

versioned

public static <KeyT,ValueT> TableEntry<KeyT,ValueT> versioned(KeyT key,
                                                              Version version,
                                                              ValueT value)

Creates a new TableEntry with a specific key version.. When used with KeyValueTable.replaceAll(java.lang.String, java.lang.Iterable<io.pravega.client.tables.TableEntry<KeyT, ValueT>>), this TableEntry will be treated as a conditional update, conditioned on the Key existing and having the specified version.

Type Parameters:

KeyT - Key Type.

ValueT - Value Type.

Parameters:

key - The Entry Key.

value - The Entry Value.

version - The Version to use.

Returns:

A TableEntry.

getKey

@NonNull
public @NonNull TableKey<KeyT> getKey()

The TableKey.

Returns:

The content of TableKey.

getValue

public ValueT getValue()

The Value.

Returns:

The value associated to the TableKey.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object