Package org.apache.iotdb.db.mpp.plan.expression.visitor

Class ColumnTransformerVisitor

java.lang.Object

org.apache.iotdb.db.mpp.plan.expression.visitor.ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

org.apache.iotdb.db.mpp.plan.expression.visitor.ColumnTransformerVisitor

public class ColumnTransformerVisitor
extends ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

Responsible for constructing ColumnTransformer through Expression.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ColumnTransformerVisitor.ColumnTransformerVisitorContext

Constructor Summary

Constructors

Constructor	Description
ColumnTransformerVisitor()

Method Summary

Modifier and Type	Method	Description
ColumnTransformer	visitBinaryExpression(BinaryExpression binaryExpression, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitConstantOperand(ConstantOperand constantOperand, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitExpression(Expression expression, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitFunctionExpression(FunctionExpression functionExpression, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitTernaryExpression(TernaryExpression ternaryExpression, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitTimeSeriesOperand(TimeSeriesOperand timeSeriesOperand, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitTimeStampOperand(TimestampOperand timestampOperand, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)
ColumnTransformer	visitUnaryExpression(UnaryExpression unaryExpression, ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Methods inherited from class org.apache.iotdb.db.mpp.plan.expression.visitor.ExpressionVisitor

process

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColumnTransformerVisitor

public ColumnTransformerVisitor()

Method Detail

visitExpression

public ColumnTransformer visitExpression(Expression expression,
                                         ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Specified by:

visitExpression in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitUnaryExpression

public ColumnTransformer visitUnaryExpression(UnaryExpression unaryExpression,
                                              ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitUnaryExpression in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitBinaryExpression

public ColumnTransformer visitBinaryExpression(BinaryExpression binaryExpression,
                                               ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitBinaryExpression in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitTernaryExpression

public ColumnTransformer visitTernaryExpression(TernaryExpression ternaryExpression,
                                                ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitTernaryExpression in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitFunctionExpression

public ColumnTransformer visitFunctionExpression(FunctionExpression functionExpression,
                                                 ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitFunctionExpression in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitTimeStampOperand

public ColumnTransformer visitTimeStampOperand(TimestampOperand timestampOperand,
                                               ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitTimeStampOperand in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitTimeSeriesOperand

public ColumnTransformer visitTimeSeriesOperand(TimeSeriesOperand timeSeriesOperand,
                                                ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitTimeSeriesOperand in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>

visitConstantOperand

public ColumnTransformer visitConstantOperand(ConstantOperand constantOperand,
                                              ColumnTransformerVisitor.ColumnTransformerVisitorContext context)

Overrides:

visitConstantOperand in class ExpressionVisitor<ColumnTransformer,ColumnTransformerVisitor.ColumnTransformerVisitorContext>