org.sdnplatform.sync.internal.store
Class StoreUtils

java.lang.Object
  org.sdnplatform.sync.internal.store.StoreUtils

public class StoreUtils
extends java.lang.Object

Group of store utilities

Field Summary

protected static org.slf4j.Logger

logger

Constructor Summary

StoreUtils()

Method Summary

static <K> void	assertValidKey(K key)
static void	assertValidKeys(java.lang.Iterable<?> keys)
static <V> boolean	canDelete(java.util.List<Versioned<V>> items, long tombstoneDeletion)
static void	close(java.io.Closeable c) Closes a Closeable and logs a potential error instead of re-throwing the exception.
static <K,V> java.util.Map<K,java.util.List<Versioned<V>>>	getAll(IStore<K,V> storageEngine, java.lang.Iterable<K> keys) Implements getAll by delegating to get.
static <V> java.util.List<IVersion>	getVersions(java.util.List<Versioned<V>> versioneds)
static <K,V> IClosableIterator<K>	keys(IClosableIterator<java.util.Map.Entry<K,V>> values)
static <K,V> java.util.HashMap<K,V>	newEmptyHashMap(java.lang.Iterable<?> iterable) Returns an empty map with expected size matching the iterable size if it's of type Collection.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected static final org.slf4j.Logger logger

Constructor Detail

StoreUtils

public StoreUtils()

Method Detail

assertValidKeys

public static void assertValidKeys(java.lang.Iterable<?> keys)

assertValidKey

public static <K> void assertValidKey(K key)

getAll

public static <K,V> java.util.Map<K,java.util.List<Versioned<V>>> getAll(IStore<K,V> storageEngine,
                                                                         java.lang.Iterable<K> keys)
                                                            throws SyncException

Implements getAll by delegating to get.

Throws:

SyncException

newEmptyHashMap

public static <K,V> java.util.HashMap<K,V> newEmptyHashMap(java.lang.Iterable<?> iterable)

Returns an empty map with expected size matching the iterable size if it's of type Collection. Otherwise, an empty map with the default size is returned.

close

public static void close(java.io.Closeable c)

Closes a Closeable and logs a potential error instead of re-throwing the exception. If null is passed, this method is a no-op. This is typically used in finally blocks to prevent an exception thrown during close from hiding an exception thrown inside the try.

Parameters:

c - The Closeable to close, may be null.

getVersions

public static <V> java.util.List<IVersion> getVersions(java.util.List<Versioned<V>> versioneds)

keys

public static <K,V> IClosableIterator<K> keys(IClosableIterator<java.util.Map.Entry<K,V>> values)

canDelete

public static <V> boolean canDelete(java.util.List<Versioned<V>> items,
                                    long tombstoneDeletion)