Package org.apache.sysds.parser

Class RelationalExpression

java.lang.Object

org.apache.sysds.parser.Expression

org.apache.sysds.parser.RelationalExpression

All Implemented Interfaces:

ParseInfo

public class RelationalExpression
extends Expression

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
RelationalExpression(Expression.RelationalOp bop)
RelationalExpression(Expression.RelationalOp bop, ParseInfo parseInfo)

Method Summary

Modifier and Type	Method	Description
Expression	getLeft()
Expression.RelationalOp	getOpCode()
Expression	getRight()
Expression	rewriteExpression(String prefix)
void	setLeft(Expression l)
void	setRight(Expression r)
String	toString()
void	validateExpression(HashMap<String,DataIdentifier> ids, HashMap<String,ConstIdentifier> constVars, boolean conditional)	Validate parse tree : Process Relational Expression
VariableSet	variablesRead()
VariableSet	variablesUpdated()

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

computeDataType, computeDataType, computeValueType, computeValueType, computeValueType, convertFormatType, equals, getBeginColumn, getBeginLine, getBinaryMatrixCharacteristics, getBinaryOp, getBooleanOp, getEndColumn, getEndLine, getFilename, getOutput, getOutputs, getParseExceptionList, getRelationalOp, getTempName, getText, hashCode, 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

RelationalExpression

public RelationalExpression(Expression.RelationalOp bop)

RelationalExpression

public RelationalExpression(Expression.RelationalOp bop,
 ParseInfo parseInfo)

Method Details

rewriteExpression

public Expression rewriteExpression(String prefix)

Specified by:

rewriteExpression in class Expression

getOpCode

public Expression.RelationalOp getOpCode()

setLeft

public void setLeft(Expression l)

setRight

public void setRight(Expression r)

getLeft

public Expression getLeft()

getRight

public Expression getRight()

validateExpression

public void validateExpression(HashMap<String,DataIdentifier> ids,
 HashMap<String,ConstIdentifier> constVars,
 boolean conditional)

Validate parse tree : Process Relational Expression

Overrides:

validateExpression in class Expression

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