OracleBlob Members

13.2.1 OracleBlob Members

OracleBlob members are listed in the following tables.

OracleBlob Constructors

OracleBlob constructors are listed in Table 13-10.

Table 13-10 OracleBlob Constructors

Constructor	Description
OracleBlob Constructors	Creates an instance of the `OracleBlob` class (Overloaded)

OracleBlob Static Fields

OracleBlob static fields are listed in Table 13-11.

Table 13-11 OracleBlob Static Fields

Field	Description
MaxSize	Holds the maximum number of bytes a `BLOB` can hold, which is 4,294,967,295 (2^32 - 1) bytes
Null	Represents a null value that can be assigned to the value of an `OracleBlob` instance

OracleBlob Static Methods

OracleBlob static methods are listed in Table 13-12.

Table 13-12 OracleBlob Static Methods

Methods	Description
`Equals`	Inherited from `System.Object` (Overloaded)

OracleBlob Instance Properties

OracleBlob instance properties are listed in Table 13-13.

Table 13-13 OracleBlob Instance Properties

Properties	Description
CanRead	Indicates whether or not the LOB stream can be read
CanSeek	Indicates whether or not forward and backward seek operations be performed
CanWrite	Indicates whether or not the LOB object supports writing
Connection	Indicates the `OracleConnection` that is used to retrieve and write `BLOB` data
IsEmpty	Indicates whether the `BLOB` is empty or not
IsInChunkWriteMode	Indicates whether or not the `BLOB` has been opened to defer index updates
IsNull	Indicates whether or not the current instance has a null value
IsTemporary	Indicates whether or not the current instance is bound to a temporary `BLOB`
Length	Indicates the size of the `BLOB` data
OptimumChunkSize	Indicates the optimal data buffer length (or multiples thereof) that read and write operations should use to improve performance
Position	Indicates the current read or write position in the LOB stream
Value	Returns the data, starting from the first byte in `BLOB`, as a byte array

OracleBlob Instance Methods

OracleBlob instance methods are listed in Table 13-14.

Table 13-14 OracleBlob Instance Methods

Methods	Description
Append	Appends the supplied data to the current `OracleBlob` instance (Overloaded)
BeginChunkWrite	Opens the `BLOB`
`BeginRead`	Inherited from `System.IO.Stream`
`BeginWrite`	Inherited from `System.IO.Stream`
Clone	Creates a copy of an `OracleBlob` object
Close	Closes the current stream and releases any resources associated with it
Compare	Compares data referenced by the current instance and that of the supplied object
CopyTo	Copies from the current `OracleBlob` instance to an `OracleBlob` object (Overloaded)
`CreateObjRef`	Inherited from `System.MarshalByRefObject`
Dispose	Releases resources allocated by this `object`
EndChunkWrite	Closes the `BLOB` referenced by the current `OracleBlob` instance
`EndRead`	Inherited from `System.IO.Stream`
`EndWrite`	Inherited from `System.IO.Stream`
`Equals`	Inherited from `System.Object` (Overloaded)
Erase	Erases data (Overloaded)
Flush	Not supported
`GetHashCode`	Inherited from `System.Object`
`GetLifetimeService`	Inherited from `System.MarshalByRefObject`
`GetType`	Inherited from `System.Object`
`InitializedLifetimeService`	Inherited from `System.MarshalByRefObject`
IsEqual	Compares the LOB data referenced by the two `OracleBlob`s
Read	Reads a specified amount of bytes from the ODP.NET LOB Type instance and populates the `buffer`
`ReadByte`	Inherited from `System.IO.Stream`
Search	Searches for a binary pattern in the current instance of an `OracleBlob`
Seek	Sets the position in the current LOB stream
SetLength	Trims or truncates the `BLOB` value to the specified length
`ToString`	Inherited from `System.Object`
Write	Writes the supplied buffer into the `OracleBlob`
`WriteByte`	Inherited from `System.IO.Stream`