com.hazelcast.cache.hidensity.impl.nativememory

Class HiDensityNativeMemoryCacheRecord

java.lang.Object

com.hazelcast.memory.MemoryBlock

com.hazelcast.internal.hidensity.HiDensityRecord

com.hazelcast.cache.hidensity.HiDensityCacheRecord

com.hazelcast.cache.hidensity.impl.nativememory.HiDensityNativeMemoryCacheRecord

All Implemented Interfaces:

com.hazelcast.cache.impl.record.CacheRecord<NativeMemoryData,NativeMemoryData>, com.hazelcast.internal.eviction.Evictable<NativeMemoryData>, com.hazelcast.internal.eviction.Expirable, com.hazelcast.nio.serialization.impl.Versioned

public final class HiDensityNativeMemoryCacheRecord
extends HiDensityCacheRecord

Structure:

 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 | Creation Time        |   8 bytes (long) |
 +----------------------+------------------+
 | Access Time          |   8 bytes (long) |
 +----------------------+------------------+
 | Time-to-Live         |   8 bytes (long) |
 +----------------------+------------------+
 | Record Sequence      |   8 bytes (long) |
 +----------------------+------------------+
 | Value Address        |   8 bytes (long) |
 +----------------------+------------------+
 | ExpiryPolicy Address |   8 bytes (long) |
 +----------------------+------------------+
 | Hit Count            |   4 bytes (int)  |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 

Total size = 52 bytes

All fields are aligned.

Note: In the current buddy memory allocator design, this is going to use a 64 bytes memory block.

Field Summary

Fields

Modifier and Type	Field and Description
static int	SIZE Size of record in bytes.

Fields inherited from class com.hazelcast.memory.MemoryBlock

address, size

Fields inherited from interface com.hazelcast.cache.impl.record.CacheRecord

TIME_NOT_AVAILABLE

Constructor Summary

Constructors

Constructor and Description
HiDensityNativeMemoryCacheRecord(HiDensityRecordAccessor<HiDensityNativeMemoryCacheRecord> recordAccessor)
HiDensityNativeMemoryCacheRecord(HiDensityRecordAccessor<HiDensityNativeMemoryCacheRecord> recordAccessor, long address)
HiDensityNativeMemoryCacheRecord(long address)

Method Summary

Modifier and Type	Method and Description
void	clear() Clears value (address), creation times, access times, etc.
boolean	equals(Object o)
int	getAccessHit()
long	getCreationTime()
long	getExpirationTime()
NativeMemoryData	getExpiryPolicy()
long	getExpiryPolicyAddress()
long	getLastAccessTime()
long	getSequence() Returns sequence ID associated with this record.
long	getTtlMillis() Gets the TTL value of this HiDensityCacheRecord in milliseconds.
NativeMemoryData	getValue()
long	getValueAddress() Gets the address of value for this HiDensityRecord.
int	hashCode()
void	incrementAccessHit()
boolean	isExpiredAt(long now)
HiDensityNativeMemoryCacheRecord	reset(long address) Resets the address of this HiDensityRecord to specified address and this HiDensityRecord shows that allocated record area.
void	resetAccessHit()
void	setAccessHit(int hit)
void	setAccessTime(long time)
void	setCreationTime(long time)
void	setExpirationTime(long expirationTime)
void	setExpiryPolicy(NativeMemoryData expiryPolicy)
void	setExpiryPolicyAddress(long policyAddress)
void	setSequence(long seq)
void	setTtlMillis(long ttl) Sets the TTL value of this HiDensityCacheRecord in milliseconds.
void	setValue(NativeMemoryData value)
void	setValueAddress(long valueAddress) Sets the address of value for this HiDensityRecord.
String	toString()

Methods inherited from class com.hazelcast.memory.MemoryBlock

address, copyFrom, copyFromByteArray, copyTo, copyToByteArray, readByte, readChar, readDouble, readFloat, readInt, readLong, readShort, setAddress, setSize, size, writeByte, writeChar, writeDouble, writeFloat, writeInt, writeLong, writeShort, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SIZE

public static final int SIZE

Size of record in bytes.

Constructor Detail

HiDensityNativeMemoryCacheRecord

public HiDensityNativeMemoryCacheRecord(HiDensityRecordAccessor<HiDensityNativeMemoryCacheRecord> recordAccessor,
                                        long address)

HiDensityNativeMemoryCacheRecord

public HiDensityNativeMemoryCacheRecord(HiDensityRecordAccessor<HiDensityNativeMemoryCacheRecord> recordAccessor)

HiDensityNativeMemoryCacheRecord

public HiDensityNativeMemoryCacheRecord(long address)

Method Detail

getCreationTime

public long getCreationTime()

setCreationTime

public void setCreationTime(long time)

getLastAccessTime

public long getLastAccessTime()

setAccessTime

public void setAccessTime(long time)

getAccessHit

public int getAccessHit()

setAccessHit

public void setAccessHit(int hit)

incrementAccessHit

public void incrementAccessHit()

resetAccessHit

public void resetAccessHit()

getTtlMillis

public long getTtlMillis()

Description copied from class: HiDensityCacheRecord

Gets the TTL value of this HiDensityCacheRecord in milliseconds.

Specified by:

getTtlMillis in class HiDensityCacheRecord

Returns:

the TTL value of this HiDensityCacheRecord in milliseconds.

setTtlMillis

public void setTtlMillis(long ttl)

Description copied from class: HiDensityCacheRecord

Sets the TTL value of this HiDensityCacheRecord in milliseconds.

Specified by:

setTtlMillis in class HiDensityCacheRecord

Parameters:

ttl - the TTL value for this HiDensityCacheRecord in milliseconds.

getValueAddress

public long getValueAddress()

Description copied from class: HiDensityRecord

Gets the address of value for this HiDensityRecord.

Specified by:

getValueAddress in class HiDensityRecord

Returns:

the address of value for this HiDensityRecord.

setValueAddress

public void setValueAddress(long valueAddress)

Description copied from class: HiDensityRecord

Sets the address of value for this HiDensityRecord.

Specified by:

setValueAddress in class HiDensityRecord

Parameters:

valueAddress - the address of value for this HiDensityRecord

setExpiryPolicyAddress

public void setExpiryPolicyAddress(long policyAddress)

Specified by:

setExpiryPolicyAddress in class HiDensityCacheRecord

getExpiryPolicyAddress

public long getExpiryPolicyAddress()

Specified by:

getExpiryPolicyAddress in class HiDensityCacheRecord

reset

public HiDensityNativeMemoryCacheRecord reset(long address)

Description copied from class: HiDensityRecord

Resets the address of this HiDensityRecord to specified address and this HiDensityRecord shows that allocated record area.

Specified by:

reset in class HiDensityRecord

Parameters:

address - the address of allocated record area for this HiDensityRecord

Returns:

the reset HiDensityRecord instance

clear

public void clear()

Description copied from class: HiDensityRecord

Clears value (address), creation times, access times, etc. of this HiDensityRecord.

Specified by:

clear in class HiDensityRecord

getValue

public NativeMemoryData getValue()

setValue

public void setValue(NativeMemoryData value)

setExpiryPolicy

public void setExpiryPolicy(NativeMemoryData expiryPolicy)

getExpiryPolicy

public NativeMemoryData getExpiryPolicy()

getExpirationTime

public long getExpirationTime()

setExpirationTime

public void setExpirationTime(long expirationTime)

getSequence

public long getSequence()

Description copied from class: HiDensityRecord

Returns sequence ID associated with this record.

Specified by:

getSequence in class HiDensityRecord

setSequence

public void setSequence(long seq)

isExpiredAt

public boolean isExpiredAt(long now)

equals

public boolean equals(Object o)

Overrides:

equals in class com.hazelcast.memory.MemoryBlock

hashCode

public int hashCode()

Overrides:

hashCode in class com.hazelcast.memory.MemoryBlock

toString

public String toString()

Overrides:

toString in class com.hazelcast.memory.MemoryBlock