RecordStore (Hazelcast Root 3.4.3 API)

All Known Implementing Classes:

DefaultRecordStore
```
public interface RecordStore
```
Defines a record-store.

Method Summary

Methods
Modifier and Type	Method and Description
`boolean`	`canAcquireLock(Data key, String caller, long threadId)`
`void`	`checkIfLoaded()`
`int`	`clear()`
`void`	`clearPartition()`
`boolean`	`containsKey(Data dataKey)`
`boolean`	`containsValue(Object testValue)`
`boolean`	`delete(Data dataKey)`
`Set<Map.Entry<Data,Data>>`	`entrySetData()`
`Object`	`evict(Data key, boolean backup)`
`int`	`evictAll(boolean backup)` Evicts all keys except locked ones.
`void`	`evictEntries(long now, boolean backup)`
`void`	`evictExpiredEntries(int percentage, boolean backup)` Do expiration operations.
`boolean`	`extendLock(Data key, String caller, long threadId, long ttl)`
`void`	`flush()`
`boolean`	`forceUnlock(Data dataKey)`
`Object`	`get(Data dataKey, boolean backup)` Gets record from `RecordStore`.
`MapEntrySet`	`getAll(Set<Data> keySet)`
`long`	`getHeapCost()`
`String`	`getLockOwnerInfo(Data key)`
`MapContainer`	`getMapContainer()`
`MapDataStore<Data,Object>`	`getMapDataStore()`
`Map.Entry<Data,Object>`	`getMapEntry(Data dataKey, long now)`
`String`	`getName()`
`int`	`getPartitionId()`
`Record`	`getRecord(Data key)`
`Map<Data,Record>`	`getRecordMap()` Returns records map.
`Record`	`getRecordOrNull(Data key)` Returns live record or null if record is already expired.
`boolean`	`isEmpty()`
`boolean`	`isExpirable()`
`boolean`	`isLoaded()`
`boolean`	`isLocked(Data key)`
`boolean`	`isTransactionallyLocked(Data key)`
`Iterator<Record>`	`iterator()` Iterates over record store values.
`Iterator<Record>`	`iterator(long now, boolean backup)` Iterates over record store values by respecting expiration.
`Set<Data>`	`keySet()`
`void`	`loadAllFromStore(List<Data> keys, boolean replaceExistingValues)` Loads all keys from defined map store.
`Iterator<Record>`	`loadAwareIterator(long now, boolean backup)` Iterates over record store values but first waits map store to load.
`boolean`	`merge(Data dataKey, EntryView mergingEntryView, MapMergePolicy mergePolicy)`
`Object`	`put(Data dataKey, Object dataValue, long ttl)`
`void`	`put(Map.Entry<Data,Object> entry)`
`Record`	`putBackup(Data key, Object value)`
`Record`	`putBackup(Data key, Object value, long ttl)`
`Object`	`putFromLoad(Data key, Object value)` Puts key-value pair to map which is the result of a load from map store operation.
`Object`	`putFromLoad(Data key, Object value, long ttl)` Puts key-value pair to map which is the result of a load from map store operation.
`Object`	`putIfAbsent(Data dataKey, Object value, long ttl)`
`void`	`putRecord(Data key, Record record)` Puts a data key and a record value to record-store.
`void`	`putTransient(Data dataKey, Object value, long ttl)`
`Data`	`readBackupData(Data key)` Called when `MapConfig.isReadBackupData()` is `true` from `MapProxySupport.getInternal(com.hazelcast.nio.serialization.Data)` Returns corresponding value for key as `Data`.
`Object`	`remove(Data dataKey)`
`boolean`	`remove(Data dataKey, Object testValue)`
`void`	`removeBackup(Data dataKey)` Similar to `remove(com.hazelcast.nio.serialization.Data)` except removeBackup doesn't touch mapstore since it does not return previous value.
`Object`	`replace(Data dataKey, Object update)`
`boolean`	`replace(Data dataKey, Object expect, Object update)` Sets the value to the given updated value if `RecordFactory.isEquals(java.lang.Object, java.lang.Object)` comparison of current value and expected value is `true`.
`void`	`reset()` Resets the record store to it's initial state.
`boolean`	`set(Data dataKey, Object value, long ttl)`
`void`	`setLoaded(boolean loaded)`
`int`	`size()`
`boolean`	`tryPut(Data dataKey, Object value, long ttl)`
`boolean`	`txnLock(Data key, String caller, long threadId, long ttl)`
`boolean`	`unlock(Data key, String caller, long threadId)`
`Collection<Data>`	`valuesData()`

- Method Detail
  - getName
```
String getName()
```
  - put
```
Object put(Data dataKey,
         Object dataValue,
         long ttl)
```
  - put
```
void put(Map.Entry<Data,Object> entry)
```
  - putIfAbsent
```
Object putIfAbsent(Data dataKey,
                 Object value,
                 long ttl)
```
  - putBackup
```
Record putBackup(Data key,
               Object value)
```
  - putBackup
```
Record putBackup(Data key,
               Object value,
               long ttl)
```
  - tryPut
```
boolean tryPut(Data dataKey,
             Object value,
             long ttl)
```
  - set
```
boolean set(Data dataKey,
          Object value,
          long ttl)
```
  - remove
```
Object remove(Data dataKey)
```
  - delete
```
boolean delete(Data dataKey)
```
  - remove
```
boolean remove(Data dataKey,
             Object testValue)
```
  - removeBackup
```
void removeBackup(Data dataKey)
```
    Similar to remove(com.hazelcast.nio.serialization.Data) except removeBackup doesn't touch mapstore since it does not return previous value.
  - get
```
Object get(Data dataKey,
         boolean backup)
```
    Gets record from RecordStore. Loads missing keys from map store.
    
    Parameters:
    dataKey - key.
    backup - true if a backup partition, otherwise false.
    
    Returns:
    value of an entry in RecordStore
  - readBackupData
```
Data readBackupData(Data key)
```
    Called when MapConfig.isReadBackupData() is true from MapProxySupport.getInternal(com.hazelcast.nio.serialization.Data)
    Returns corresponding value for key as Data. This adds an extra serialization step. For the reason of this behaviour please see issue 1292 on github.
    
    Parameters:
    key - key to be accessed
    
    Returns:
    value as Data independent of InMemoryFormat
  - getAll
```
MapEntrySet getAll(Set<Data> keySet)
```
  - containsKey
```
boolean containsKey(Data dataKey)
```
  - replace
```
Object replace(Data dataKey,
             Object update)
```
  - replace
```
boolean replace(Data dataKey,
              Object expect,
              Object update)
```
    Sets the value to the given updated value if RecordFactory.isEquals(java.lang.Object, java.lang.Object) comparison of current value and expected value is true.
    
    Parameters:
    dataKey - key which's value is requested to be replaced.
    expect - the expected value
    update - the new value
    
    Returns:
    true if successful. False return indicates that the actual value was not equal to the expected value.
  - putTransient
```
void putTransient(Data dataKey,
                Object value,
                long ttl)
```
  - putFromLoad
```
Object putFromLoad(Data key,
                 Object value)
```
    Puts key-value pair to map which is the result of a load from map store operation.
    
    Parameters:
    key - key to put.
    value - to put.
    
    Returns:
    the previous value associated with key, or null if there was no mapping for key.
    See Also:
    PutFromLoadAllOperation
  - putFromLoad
```
Object putFromLoad(Data key,
                 Object value,
                 long ttl)
```
    Puts key-value pair to map which is the result of a load from map store operation.
    
    Parameters:
    key - key to put.
    value - to put.
    ttl - time to live seconds.
    
    Returns:
    the previous value associated with key, or null if there was no mapping for key.
    See Also:
    PutAllOperation
  - merge
```
boolean merge(Data dataKey,
            EntryView mergingEntryView,
            MapMergePolicy mergePolicy)
```
  - getRecord
```
Record getRecord(Data key)
```
  - putRecord
```
void putRecord(Data key,
             Record record)
```
    Puts a data key and a record value to record-store. Used in replication operations.
    
    Parameters:
    key - the data key to put record store.
    record - the value for record store.
    See Also:
    MapReplicationOperation
  - iterator
```
Iterator<Record> iterator()
```
    Iterates over record store values.
    
    Returns:
    read only iterator for map values.
  - iterator
```
Iterator<Record> iterator(long now,
                        boolean backup)
```
    Iterates over record store values by respecting expiration.
    
    Returns:
    read only iterator for map values.
  - loadAwareIterator
```
Iterator<Record> loadAwareIterator(long now,
                                 boolean backup)
```
    Iterates over record store values but first waits map store to load. If an operation needs to wait a data source load like query operations IMap.keySet(com.hazelcast.query.Predicate), this method can be used to return a read-only iterator.
    
    Parameters:
    now - current time in millis
    backup - true if a backup partition, otherwise false.
    
    Returns:
    read only iterator for map values.
  - getRecordMap
```
Map<Data,Record> getRecordMap()
```
    Returns records map.
    
    See Also:
    RecordStoreLoader
  - keySet
```
Set<Data> keySet()
```
  - size
```
int size()
```
  - txnLock
```
boolean txnLock(Data key,
              String caller,
              long threadId,
              long ttl)
```
  - extendLock
```
boolean extendLock(Data key,
                 String caller,
                 long threadId,
                 long ttl)
```
  - unlock
```
boolean unlock(Data key,
             String caller,
             long threadId)
```
  - isLocked
```
boolean isLocked(Data key)
```
  - isTransactionallyLocked
```
boolean isTransactionallyLocked(Data key)
```
  - canAcquireLock
```
boolean canAcquireLock(Data key,
                     String caller,
                     long threadId)
```
  - getLockOwnerInfo
```
String getLockOwnerInfo(Data key)
```
  - containsValue
```
boolean containsValue(Object testValue)
```
  - evict
```
Object evict(Data key,
           boolean backup)
```
  - evictAll
```
int evictAll(boolean backup)
```
    Evicts all keys except locked ones.
    
    Parameters:
    backup - true if a backup partition, otherwise false.
    
    Returns:
    number of evicted entries.
  - valuesData
```
Collection<Data> valuesData()
```
  - getMapContainer
```
MapContainer getMapContainer()
```
  - entrySetData
```
Set<Map.Entry<Data,Data>> entrySetData()
```
  - getMapEntry
```
Map.Entry<Data,Object> getMapEntry(Data dataKey,
                                 long now)
```
  - flush
```
void flush()
```
  - clearPartition
```
void clearPartition()
```
  - reset
```
void reset()
```
    Resets the record store to it's initial state.
  - forceUnlock
```
boolean forceUnlock(Data dataKey)
```
  - getHeapCost
```
long getHeapCost()
```
  - isLoaded
```
boolean isLoaded()
```
  - checkIfLoaded
```
void checkIfLoaded()
```
  - setLoaded
```
void setLoaded(boolean loaded)
```
  - clear
```
int clear()
```
  - isEmpty
```
boolean isEmpty()
```
  - evictExpiredEntries
```
void evictExpiredEntries(int percentage,
                       boolean backup)
```
    Do expiration operations.
    
    Parameters:
    percentage - of max expirables according to the record store size.
    backup - true if a backup partition, otherwise false.
  - isExpirable
```
boolean isExpirable()
```
    Returns:
    true if record store has at least one candidate entry for expiration else return false.
  - loadAllFromStore
```
void loadAllFromStore(List<Data> keys,
                    boolean replaceExistingValues)
```
    Loads all keys from defined map store.
    
    Parameters:
    keys - keys to be loaded.
    replaceExistingValues - true if need to replace existing values otherwise false
  - getMapDataStore
```
MapDataStore<Data,Object> getMapDataStore()
```
  - getPartitionId
```
int getPartitionId()
```
  - getRecordOrNull
```
Record getRecordOrNull(Data key)
```
    Returns live record or null if record is already expired. Does not load missing keys from a map store.
    
    Parameters:
    key - key to be accessed
    
    Returns:
    live record or null
    See Also:
    get(com.hazelcast.nio.serialization.Data, boolean)
  - evictEntries
```
void evictEntries(long now,
                boolean backup)
```

Interface RecordStore

Method Summary

Method Detail

getName

put

put

putIfAbsent

putBackup

putBackup

tryPut

set

remove

delete

remove

removeBackup

get

readBackupData

getAll

containsKey

replace

replace

putTransient

putFromLoad

putFromLoad

merge

getRecord

putRecord

iterator

iterator

loadAwareIterator

getRecordMap

keySet

size

txnLock

extendLock

unlock

isLocked

isTransactionallyLocked

canAcquireLock

getLockOwnerInfo

containsValue

evict

evictAll

valuesData

getMapContainer

entrySetData

getMapEntry

flush

clearPartition

reset

forceUnlock

getHeapCost

isLoaded

checkIfLoaded

setLoaded

clear

isEmpty

evictExpiredEntries

isExpirable

loadAllFromStore

getMapDataStore

getPartitionId

getRecordOrNull

evictEntries