Class CacheDataOutput
- java.lang.Object
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- org.apache.sysds.runtime.controlprogram.caching.CacheDataOutput
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- All Implemented Interfaces:
DataOutput,MatrixBlockDataOutput
public class CacheDataOutput extends Object implements DataOutput, MatrixBlockDataOutput
Custom DataOutput to serialize directly into the given byte array.
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Constructor Summary
Constructors Constructor Description CacheDataOutput(byte[] mem)CacheDataOutput(int size)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description byte[]getBytes()voidwrite(byte[] b)voidwrite(byte[] b, int off, int len)voidwrite(int b)voidwriteBoolean(boolean v)voidwriteByte(int v)voidwriteBytes(String s)voidwriteChar(int v)voidwriteChars(String s)voidwriteDouble(double v)voidwriteDoubleArray(int len, double[] varr)Writes the double array of a dense block to the data output.voidwriteFloat(float v)voidwriteInt(int v)voidwriteLong(long v)voidwriteShort(int v)voidwriteSparseRows(int rlen, SparseBlock rows)Writes the sparse rows array of a sparse block to the data output.voidwriteUTF(String s)
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Method Detail
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write
public void write(int b) throws IOException- Specified by:
writein interfaceDataOutput- Throws:
IOException
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write
public void write(byte[] b) throws IOException- Specified by:
writein interfaceDataOutput- Throws:
IOException
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write
public void write(byte[] b, int off, int len) throws IOException- Specified by:
writein interfaceDataOutput- Throws:
IOException
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writeBoolean
public void writeBoolean(boolean v) throws IOException- Specified by:
writeBooleanin interfaceDataOutput- Throws:
IOException
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writeInt
public void writeInt(int v) throws IOException- Specified by:
writeIntin interfaceDataOutput- Throws:
IOException
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writeDouble
public void writeDouble(double v) throws IOException- Specified by:
writeDoublein interfaceDataOutput- Throws:
IOException
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writeByte
public void writeByte(int v) throws IOException- Specified by:
writeBytein interfaceDataOutput- Throws:
IOException
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writeBytes
public void writeBytes(String s) throws IOException
- Specified by:
writeBytesin interfaceDataOutput- Throws:
IOException
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writeChar
public void writeChar(int v) throws IOException- Specified by:
writeCharin interfaceDataOutput- Throws:
IOException
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writeChars
public void writeChars(String s) throws IOException
- Specified by:
writeCharsin interfaceDataOutput- Throws:
IOException
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writeFloat
public void writeFloat(float v) throws IOException- Specified by:
writeFloatin interfaceDataOutput- Throws:
IOException
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writeLong
public void writeLong(long v) throws IOException- Specified by:
writeLongin interfaceDataOutput- Throws:
IOException
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writeShort
public void writeShort(int v) throws IOException- Specified by:
writeShortin interfaceDataOutput- Throws:
IOException
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writeUTF
public void writeUTF(String s) throws IOException
- Specified by:
writeUTFin interfaceDataOutput- Throws:
IOException
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writeDoubleArray
public void writeDoubleArray(int len, double[] varr) throws IOExceptionDescription copied from interface:MatrixBlockDataOutputWrites the double array of a dense block to the data output.- Specified by:
writeDoubleArrayin interfaceMatrixBlockDataOutput- Parameters:
len- ?varr- ?- Throws:
IOException- if IOException occurs
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writeSparseRows
public void writeSparseRows(int rlen, SparseBlock rows) throws IOExceptionDescription copied from interface:MatrixBlockDataOutputWrites the sparse rows array of a sparse block to the data output.- Specified by:
writeSparseRowsin interfaceMatrixBlockDataOutput- Parameters:
rlen- ?rows- sparse block- Throws:
IOException- if IOException occurs
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getBytes
public byte[] getBytes()
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