java.lang.Object | |
↳ | com.google.android.gms.games.snapshot.SnapshotEntity |
Data object representing the data for a saved game. This is immutable, and therefore safe to cache or store. Note, however, that the data it represents may grow stale.
This class exists solely to support parceling these objects and should not be used directly.
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Freeze a volatile representation into an immutable representation.
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Retrieves the metadata for this snapshot.
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Retrieve the
SnapshotContents associated with this snapshot.
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Check to see if this object is valid for use.
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Write the specified data into the snapshot.
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Read the contents of a snapshot.
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Write the specified data into the snapshot.
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Freeze a volatile representation into an immutable representation. Objects returned from this call are safe to cache.
Note that the output of freeze
may not be identical to the parent object, but should
be equal. In other words:
Freezable f1 = new Freezable();
Freezable f2 = f1.freeze();
f1 == f2 may not be true.
f1.equals(f2) will be true.
Retrieves the metadata for this snapshot.
SnapshotMetadata
associated with this snapshot.
Retrieve the SnapshotContents
associated with this snapshot. This object can be used
to update the data of a snapshot. Note that this will return null if this snapshot was not
obtained via open(GoogleApiClient, SnapshotMetadata)
.
SnapshotContents
for this snapshot, or null if the snapshot is not
opened.
Check to see if this object is valid for use. If the object is still volatile, this method
will indicate whether or not the object can be safely used. The output of a call to
freeze()
will always be valid.
Write the specified data into the snapshot. The contents of the snapshot will be replaced
with the data provided in content
. The data will be persisted on disk, but is not
uploaded to the server until the snapshot is committed via commitAndClose(GoogleApiClient, Snapshot, SnapshotMetadataChange)
.
writeBytes(byte[])
to fully overwrite the file.
If the snapshot was not opened via open(GoogleApiClient, SnapshotMetadata)
, or if the contents have already
been committed via commitAndClose(GoogleApiClient, Snapshot, SnapshotMetadataChange)
, this method will throw an exception.dstOffset | Position in the snapshot file to start writing data to. 0 indicates the head of the file. |
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content | The data to write. |
srcOffset | Position in content to start writing from. |
count | Number of bytes from content to write to this snapshot. |
Read the contents of a snapshot.
If this snapshot was not opened viaopen(GoogleApiClient, SnapshotMetadata)
, or if the contents have already
been committed via commitAndClose(GoogleApiClient, Snapshot, SnapshotMetadataChange)
this method will throw an exception.Write the specified data into the snapshot. The contents of the snapshot will be replaced
with the data provided in content
. The data will be persisted on disk, but is not
uploaded to the server until the snapshot is committed via commitAndClose(GoogleApiClient, Snapshot, SnapshotMetadataChange)
.
modifyBytes(int, byte[], int, int)
to overwrite parts of
the file.
If the snapshot was not opened via open(GoogleApiClient, SnapshotMetadata)
, or if the contents have already
been committed via commitAndClose(GoogleApiClient, Snapshot, SnapshotMetadataChange)
, this method will throw an exception.content | The data to write. |
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