trait BinaryOutput extends AnyRef
Interface for writing binary data
The low level write operations for primitive types must be implemented.
Also contains some higher level functions such as variable integer encoding and compression support, which have a default implementation based on the primitives.
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- abstract def writeByte(value: Byte): Unit
Writes one byte
Writes one byte
- value
The value to write
- abstract def writeBytes(value: Array[Byte], start: Int, count: Int): Unit
Writes a slice of an array of bytes (without writing any infomation about the number of bytes)
Writes a slice of an array of bytes (without writing any infomation about the number of bytes)
- value
The byte array
- start
Index of the first byte to write
- count
Number of bytes to write
- abstract def writeBytes(value: Array[Byte]): Unit
Writes an array of bytes (without writing any information about the number of bytes)
Writes an array of bytes (without writing any information about the number of bytes)
- value
The bytes to write
- abstract def writeDouble(value: Double): Unit
Writes one 64-bit floating point value
Writes one 64-bit floating point value
- value
The value to write
- abstract def writeFloat(value: Float): Unit
Writes one 32-bit floating point value
Writes one 32-bit floating point value
- value
The value to write
- abstract def writeInt(value: Int): Unit
Writes one 32-bit integer
Writes one 32-bit integer
- value
The value to write
- abstract def writeLong(value: Long): Unit
Writes one 64-bit integer
Writes one 64-bit integer
- value
The value to write
- abstract def writeShort(value: Short): Unit
Writes one 16-bit integer
Writes one 16-bit integer
- value
The value to write
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- def writeCompressedByteArray(uncompressedData: Array[Byte], level: Int = Deflater.BEST_SPEED): Unit
Compress the given byte array with ZIP and write write the compressed data to the output
Compress the given byte array with ZIP and write write the compressed data to the output
The compressed data is prepended with the uncompressed and the compressed data sizes, encoded with variable-length integer encoding.
Use the BinaryInput.readCompressedByteArray function to read it back.
- uncompressedData
Uncompressed data
- level
Compression level. Use constants from the Deflater class
- def writeVarInt(value: Int, optimizeForPositive: Boolean = false): Unit
Writes a 32-bit integer with a variable-length encoding
Writes a 32-bit integer with a variable-length encoding
The number of encoded bytes is 1-5. Based on https://github.com/EsotericSoftware/kryo/blob/master/src/com/esotericsoftware/kryo/io/ByteBufferOutput.java#L290
- value
The value to write
- optimizeForPositive
If true the encoding is optimized for positive numbers
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