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

Class RegularExpression

java.lang.Object

org.apache.iotdb.db.mpp.plan.expression.Expression

org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression

org.apache.iotdb.db.mpp.plan.expression.unary.RegularExpression

public class RegularExpression
extends UnaryExpression

Field Summary

Fields inherited from class org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression

expression

Fields inherited from class org.apache.iotdb.db.mpp.plan.expression.Expression

inputColumnIndex, isConstantOperandCache

Constructor Summary

Constructors

Constructor	Description
RegularExpression(java.nio.ByteBuffer byteBuffer)
RegularExpression(Expression expression, java.lang.String patternString)
RegularExpression(Expression expression, java.lang.String patternString, java.util.regex.Pattern pattern)

Method Summary

Modifier and Type	Method	Description
protected Expression	constructExpression(Expression childExpression)
protected java.lang.String	getExpressionStringInternal()	Sub-classes should override this method to provide valid string representation of this object.
ExpressionType	getExpressionType()
java.util.regex.Pattern	getPattern()
java.lang.String	getPatternString()
org.apache.iotdb.tsfile.file.metadata.enums.TSDataType	inferTypes(TypeProvider typeProvider)
protected void	serialize(java.io.DataOutputStream stream)
protected void	serialize(java.nio.ByteBuffer byteBuffer)

Methods inherited from class org.apache.iotdb.db.mpp.plan.expression.unary.UnaryExpression

accept, bindInputLayerColumnIndexWithExpression, bindInputLayerColumnIndexWithExpression, collectPaths, concat, constructUdfExecutors, getExpression, getExpressions, isConstantOperandInternal, isMappable, isTimeSeriesGeneratingFunctionExpression, isUserDefinedAggregationFunctionExpression, removeWildcards, updateStatisticsForMemoryAssigner

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

checkInputExpressionDataType, deserialize, equals, getExpressionString, getInputColumnIndex, hashCode, isBuiltInAggregationFunctionExpression, isCompareBinaryExpression, isConstantOperand, iterator, serialize, serialize, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RegularExpression

public RegularExpression(Expression expression,
                         java.lang.String patternString)

RegularExpression

public RegularExpression(Expression expression,
                         java.lang.String patternString,
                         java.util.regex.Pattern pattern)

RegularExpression

public RegularExpression(java.nio.ByteBuffer byteBuffer)

Method Detail

getPatternString

public java.lang.String getPatternString()

getPattern

public java.util.regex.Pattern getPattern()

constructExpression

protected Expression constructExpression(Expression childExpression)

Specified by:

constructExpression in class UnaryExpression

inferTypes

public org.apache.iotdb.tsfile.file.metadata.enums.TSDataType inferTypes(TypeProvider typeProvider)
                                                                  throws SemanticException

Specified by:

inferTypes in class Expression

Throws:

SemanticException

getExpressionStringInternal

protected java.lang.String getExpressionStringInternal()

Description copied from class: Expression

Sub-classes should override this method to provide valid string representation of this object. See Expression.getExpressionString()

Specified by:

getExpressionStringInternal in class Expression

getExpressionType

public ExpressionType getExpressionType()

Specified by:

getExpressionType in class Expression

serialize

protected void serialize(java.nio.ByteBuffer byteBuffer)

Overrides:

serialize in class UnaryExpression

serialize

protected void serialize(java.io.DataOutputStream stream)
                  throws java.io.IOException

Overrides:

serialize in class UnaryExpression

Throws:

java.io.IOException