Package org.apache.cassandra.io.util

Class SafeMemory

java.lang.Object

org.apache.cassandra.io.util.Memory

org.apache.cassandra.io.util.SafeMemory

All Implemented Interfaces:

AutoCloseable, ReadableMemory, SharedCloseable

public class SafeMemory
extends Memory
implements SharedCloseable

Field Summary

Fields inherited from class org.apache.cassandra.io.util.Memory

NO_BYTE_BUFFERS, peer, size

Constructor Summary

Constructors

Constructor	Description
SafeMemory(long size)

Method Summary

Modifier and Type	Method	Description
void	addTo(Ref.IdentityCollection identities)
protected void	checkBounds(long start, long end)
void	close()
Throwable	close(Throwable accumulate)
SafeMemory	copy(long newSize)
void	free()
SafeMemory	sharedCopy()

Methods inherited from class org.apache.cassandra.io.util.Memory

allocate, asByteBuffer, asByteBuffers, equals, getByte, getBytes, getInt, getLong, put, setByte, setByteBuffer, setBytes, setBytes, setInt, setLong, setMemory, size, toString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

SafeMemory

public SafeMemory(long size)

Method Details

sharedCopy

public SafeMemory sharedCopy()

Specified by:

sharedCopy in interface SharedCloseable

Returns:

a new instance of the object representing the same state and backed by the same underlying resources. Coordinates with the original (and other instances) when the underlying resource should be closed. Throws an exception if the shared resource has already been closed.

free

public void free()

Overrides:

free in class Memory

close

public void close()

Specified by:

close in interface AutoCloseable

Overrides:

close in class Memory

close

public Throwable close(Throwable accumulate)

Specified by:

close in interface SharedCloseable

copy

public SafeMemory copy(long newSize)

Overrides:

copy in class Memory

checkBounds

@Inline
protected void checkBounds(long start,
 long end)

Overrides:

checkBounds in class Memory

addTo

public void addTo(Ref.IdentityCollection identities)

Specified by:

addTo in interface SharedCloseable