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java.lang.Object org.nuxeo.ecm.core.storage.sql.DefaultBinaryManager
public class DefaultBinaryManager
A simple filesystem-based binary manager. It stores the binaries according to their digest (hash), which means that no transactional behavior needs to be implemented.
A garbage collection is needed to purge unused binaries.
The format of the binaries directory is:
Nested Class Summary | |
---|---|
static class |
DefaultBinaryManager.DefaultBinaryGarbageCollector
|
static class |
DefaultBinaryManager.NullBinaryScrambler
A BinaryScrambler that does nothing. |
static class |
DefaultBinaryManager.ScrambledBinary
A Binary that is unscrambled on read using a
BinaryScrambler . |
static class |
DefaultBinaryManager.ScrambledFileInputStream
A FileInputStream that is unscrambled on read using a
BinaryScrambler . |
static class |
DefaultBinaryManager.ScrambledStreamSource
A FileSource that is unscrambled on read using a
BinaryScrambler . |
Field Summary | |
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static String |
CONFIG_FILE
|
static String |
DATA
|
static int |
DEFAULT_DEPTH
|
static String |
DEFAULT_DIGEST
|
static String |
DEFAULT_PATH
|
static int |
MAX_BUF_SIZE
|
static int |
MIN_BUF_SIZE
|
static String |
TMP
|
Constructor Summary | |
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DefaultBinaryManager()
|
Method Summary | |
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Binary |
getBinary(InputStream in)
Saves the given input stream into a Binary . |
Binary |
getBinary(String digest)
Returns a Binary corresponding to the given digest. |
File |
getFileForDigest(String digest,
boolean createDir)
Gets a file representing the storage for a given digest. |
BinaryGarbageCollector |
getGarbageCollector()
Returns the Binary Garbage Collector that can be used for this binary manager. |
File |
getStorageDir()
|
void |
initialize(RepositoryDescriptor repositoryDescriptor)
Initializer. |
static String |
toHexString(byte[] data)
|
static void |
touch(File file)
Sets the last modification date to now on a file |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final String DEFAULT_DIGEST
public static final int DEFAULT_DEPTH
public static final String DEFAULT_PATH
public static final String DATA
public static final String TMP
public static final String CONFIG_FILE
public static final int MIN_BUF_SIZE
public static final int MAX_BUF_SIZE
Constructor Detail |
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public DefaultBinaryManager()
Method Detail |
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public void initialize(RepositoryDescriptor repositoryDescriptor) throws IOException
BinaryManager
initialize
in interface BinaryManager
IOException
public File getStorageDir()
public Binary getBinary(InputStream in) throws IOException
BinaryManager
Binary
.
Returns a Binary
representing the stream. The Binary
includes a digest that is a sufficient representation to persist it.
The stream is closed after use.
getBinary
in interface BinaryManager
in
- the input stream
IOException
public Binary getBinary(String digest)
BinaryManager
Binary
corresponding to the given digest.
A null
is returned if the digest could not be found.
getBinary
in interface BinaryManager
digest
- the digest, or null
public File getFileForDigest(String digest, boolean createDir)
digest
- the digestcreateDir
- true
if the directory containing the file itself
must be created
public static String toHexString(byte[] data)
public BinaryGarbageCollector getGarbageCollector()
BinaryManager
Several calls to this method will return the same GC, so that its status
can be monitored using BinaryGarbageCollector.isInProgress()
.
getGarbageCollector
in interface BinaryManager
public static void touch(File file)
file
- the file
|
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