Class Blob (2.20.1)

public final class Blob implements Serializable

A Google Cloud Datastore Blob. This class is immutable. See Also: Google Cloud Datastore Entities, Properties, and Keys

Inheritance

Object > Blob

Implements

Serializable

Inherited Members

Object.clone()

Object.equals(Object)

Object.finalize()

Object.getClass()

Object.hashCode()

Object.notify()

Object.notifyAll()

Object.toString()

Object.wait()

Object.wait(long)

Object.wait(long,int)

Static Methods

copyFrom(byte[] bytes)

public static Blob copyFrom(byte[] bytes)

Parameter
Name	Description
`bytes`	`byte[]`

Returns
Type	Description
`Blob`

copyFrom(InputStream input)

public static Blob copyFrom(InputStream input)

Parameter
Name	Description
`input`	`InputStream`

Returns
Type	Description
`Blob`

Exceptions
Type	Description
`IOException`

copyFrom(ByteBuffer bytes)

public static Blob copyFrom(ByteBuffer bytes)

Parameter
Name	Description
`bytes`	`ByteBuffer`

Returns
Type	Description
`Blob`

Methods

asInputStream()

public InputStream asInputStream()

Returns an InputStream for this blob content.

Returns
Type	Description
`InputStream`

asReadOnlyByteBuffer()

public ByteBuffer asReadOnlyByteBuffer()

Returns a read-only ByteBuffer for this blob content.

Returns
Type	Description
`ByteBuffer`

copyTo(byte[] target)

public void copyTo(byte[] target)

Copies bytes into a buffer.

Parameter
Name	Description
`target`	`byte[]`

copyTo(ByteBuffer target)

public void copyTo(ByteBuffer target)

Copies bytes into a ByteBuffer.

Parameter
Name	Description
`target`	`ByteBuffer`

equals(Object obj)

public boolean equals(Object obj)

Parameter
Name	Description
`obj`	`Object`

Returns
Type	Description
`boolean`

Overrides

Object.equals(Object)

getLength()

public int getLength()

Returns the size of this blob.

Returns
Type	Description
`int`

hashCode()

public int hashCode()

Returns
Type	Description
`int`

Overrides

Object.hashCode()

toByteArray()

public byte[] toByteArray()

Returns a copy as byte array.

Returns
Type	Description
`byte[]`

toString()

public String toString()

Returns
Type	Description
`String`

Overrides

Object.toString()