java.nio.channels
Class FileLock
- AutoCloseable
FileLock(FileChannel channel, long position, long size, boolean shared)- Initializes the file lock.
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FileChannel | channel()- Returns the file channel upon whose file this lock is held.
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boolean | isShared()- Tells whether this lock is shared.
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abstract boolean | isValid()- Tells whether or not this lock is valid.
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boolean | overlaps(long position, long size)- Tells whether or not this lock overlaps the given lock range.
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long | position()- Returns the position within the file of the first byte of the
locked region.
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abstract void | release()- Releases this lock.
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long | size()- Returns the size of the locked region in bytes.
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String | toString()- Returns a string describing the range, type, and validity of this lock.
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clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait |
FileLock
protected FileLock(FileChannel channel,
long position,
long size,
boolean shared) Initializes the file lock.
channel
public final FileChannel channel()
Returns the file channel upon whose file this lock is held.
isShared
public final boolean isShared()
Tells whether this lock is shared.
isValid
public abstract boolean isValid()
Tells whether or not this lock is valid.
overlaps
public final boolean overlaps(long position,
long size) Tells whether or not this lock overlaps the given lock range.
position
public final long position()
Returns the position within the file of the first byte of the
locked region.
size
public final long size()
Returns the size of the locked region in bytes.
FileLock.java --
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