Package org.apache.sysds.parser

Class DataIdentifier

java.lang.Object

org.apache.sysds.parser.Expression

org.apache.sysds.parser.Identifier

org.apache.sysds.parser.DataIdentifier

All Implemented Interfaces:

ParseInfo

Direct Known Subclasses:

BuiltinFunctionExpression, DataExpression, FunctionCallIdentifier, IndexedIdentifier, MetaDataAll, ParameterizedBuiltinFunctionExpression

public class DataIdentifier
extends Identifier

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.sysds.parser.Expression

Expression.BinaryOp, Expression.BooleanOp, Expression.DataOp, Expression.FunctCallOp, Expression.RelationalOp

Constructor Summary

Constructors

Constructor	Description
DataIdentifier()
DataIdentifier(String name)
DataIdentifier(String name, Types.DataType dt)
DataIdentifier(String name, Types.DataType dt, Types.ValueType vt)
DataIdentifier(DataIdentifier passed)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object that)
String	getName()
int	hashCode()
boolean	multipleReturns()	Method to specify if an expression returns multiple outputs.
Expression	rewriteExpression(String prefix)
void	setName(String name)
String	toString()
VariableSet	variablesRead()
VariableSet	variablesUpdated()

Methods inherited from class org.apache.sysds.parser.Identifier

computeDataType, dimsKnown, getBlocksize, getDataType, getDim1, getDim2, getFileFormat, getNnz, getValueType, isScalarBoolean, setBlocksize, setBooleanProperties, setDataType, setDimensions, setDimensionValueProperties, setFileFormat, setIntProperties, setNnz, setProperties, setValueType, validateExpression

Methods inherited from class org.apache.sysds.parser.Expression

computeDataType, computeDataType, computeValueType, computeValueType, computeValueType, convertFormatType, getBeginColumn, getBeginLine, getBinaryMatrixCharacteristics, getBinaryOp, getBooleanOp, getEndColumn, getEndLine, getFilename, getOutput, getOutputs, getParseExceptionList, getRelationalOp, getTempName, getText, printErrorLocation, printInfoLocation, printWarningLocation, raiseValidateError, raiseValidateError, raiseValidateError, setBeginColumn, setBeginLine, setCtxValues, setCtxValuesAndFilename, setEndColumn, setEndLine, setFilename, setOutput, setParseExceptionList, setParseInfo, setText, validateExpression

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Constructor Details

DataIdentifier

public DataIdentifier(DataIdentifier passed)

DataIdentifier

public DataIdentifier(String name)

DataIdentifier

public DataIdentifier(String name,
 Types.DataType dt)

DataIdentifier

public DataIdentifier(String name,
 Types.DataType dt,
 Types.ValueType vt)

DataIdentifier

public DataIdentifier()

Method Details

rewriteExpression

public Expression rewriteExpression(String prefix)

Specified by:

rewriteExpression in class Expression

getName

public String getName()

setName

public void setName(String name)

toString

public String toString()

Overrides:

toString in class Object

variablesRead

public VariableSet variablesRead()

Specified by:

variablesRead in class Expression

variablesUpdated

public VariableSet variablesUpdated()

Specified by:

variablesUpdated in class Expression

multipleReturns

public boolean multipleReturns()

Method to specify if an expression returns multiple outputs. This method must be overridden by all child classes.

Returns:

true if expression returns multiple outputs

equals

public boolean equals(Object that)

Overrides:

equals in class Expression

hashCode

public int hashCode()

Overrides:

hashCode in class Expression