Package com.ibm.fhir.database.utils.query.expression

Class ColumnExpNodeVisitor

java.lang.Object

com.ibm.fhir.database.utils.query.expression.ColumnExpNodeVisitor

All Implemented Interfaces:

ExpNodeVisitor<Set<String>>

public class ColumnExpNodeVisitor
extends Object
implements ExpNodeVisitor<Set<String>>

Renders the expression node tree into a string

Constructor Summary

Constructors

Constructor	Description
ColumnExpNodeVisitor()

Method Summary

Modifier and Type	Method	Description
Set<String>	acos(Set<String> arg)	SQL ACOS function
Set<String>	add(Set<String> left, Set<String> right)
Set<String>	and(Set<String> left, Set<String> right)
Set<String>	between(Set<String> leftValue, Set<String> rightValue)
Set<String>	bindMarker(Double value)
Set<String>	bindMarker(Integer value)
Set<String>	bindMarker(Long value)
Set<String>	bindMarker(String value)
Set<String>	bindMarker(BigDecimal value)
Set<String>	bindMarker(Instant value)
Set<String>	coalesce(List<ColumnRef> columnRefs)	Render a COALESCE(...) function
Set<String>	column(String tableAlias, String columnName)
Set<String>	cos(Set<String> arg)	SQL COS function
Set<String>	divide(Set<String> left, Set<String> right)
Set<String>	eq(Set<String> left, Set<String> right)
Set<String>	escape(Set<String> left, Set<String> right)
Set<String>	exists(Set<String> statement)
Set<String>	gt(Set<String> left, Set<String> right)
Set<String>	gte(Set<String> left, Set<String> right)
Set<String>	in(Set<String> leftValue, List<Set<String>> args)
Set<String>	isNotNull(Set<String> expr)
Set<String>	isNull(Set<String> expr)
Set<String>	like(Set<String> left, Set<String> right)
Set<String>	literal(Double value)
Set<String>	literal(Long value)
Set<String>	literal(String value)
Set<String>	lt(Set<String> left, Set<String> right)
Set<String>	lte(Set<String> left, Set<String> right)
Set<String>	multiply(Set<String> left, Set<String> right)
Set<String>	neq(Set<String> left, Set<String> right)
Set<String>	not(Set<String> exp)
Set<String>	notExists(Set<String> statement)
Set<String>	or(Set<String> left, Set<String> right)
Set<String>	paren(Set<String> expr)
Set<String>	select(Select select)	Process a sub-select statement
Set<String>	sin(Set<String> arg)	SQL SIN function
Set<String>	subtract(Set<String> left, Set<String> right)

Methods inherited from class java.lang.Object

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

Constructor Detail

ColumnExpNodeVisitor

public ColumnExpNodeVisitor()

Method Detail

paren

public Set<String> paren(Set<String> expr)

Specified by:

paren in interface ExpNodeVisitor<Set<String>>

and

public Set<String> and(Set<String> left,
                       Set<String> right)

Specified by:

and in interface ExpNodeVisitor<Set<String>>

or

public Set<String> or(Set<String> left,
                      Set<String> right)

Specified by:

or in interface ExpNodeVisitor<Set<String>>

not

public Set<String> not(Set<String> exp)

Specified by:

not in interface ExpNodeVisitor<Set<String>>

exists

public Set<String> exists(Set<String> statement)

Specified by:

exists in interface ExpNodeVisitor<Set<String>>

notExists

public Set<String> notExists(Set<String> statement)

Specified by:

notExists in interface ExpNodeVisitor<Set<String>>

eq

public Set<String> eq(Set<String> left,
                      Set<String> right)

Specified by:

eq in interface ExpNodeVisitor<Set<String>>

neq

public Set<String> neq(Set<String> left,
                       Set<String> right)

Specified by:

neq in interface ExpNodeVisitor<Set<String>>

gt

public Set<String> gt(Set<String> left,
                      Set<String> right)

Specified by:

gt in interface ExpNodeVisitor<Set<String>>

gte

public Set<String> gte(Set<String> left,
                       Set<String> right)

Specified by:

gte in interface ExpNodeVisitor<Set<String>>

lt

public Set<String> lt(Set<String> left,
                      Set<String> right)

Specified by:

lt in interface ExpNodeVisitor<Set<String>>

lte

public Set<String> lte(Set<String> left,
                       Set<String> right)

Specified by:

lte in interface ExpNodeVisitor<Set<String>>

literal

public Set<String> literal(String value)

Specified by:

literal in interface ExpNodeVisitor<Set<String>>

literal

public Set<String> literal(Long value)

Specified by:

literal in interface ExpNodeVisitor<Set<String>>

literal

public Set<String> literal(Double value)

Specified by:

literal in interface ExpNodeVisitor<Set<String>>

column

public Set<String> column(String tableAlias,
                          String columnName)

Specified by:

column in interface ExpNodeVisitor<Set<String>>

add

public Set<String> add(Set<String> left,
                       Set<String> right)

Specified by:

add in interface ExpNodeVisitor<Set<String>>

subtract

public Set<String> subtract(Set<String> left,
                            Set<String> right)

Specified by:

subtract in interface ExpNodeVisitor<Set<String>>

multiply

public Set<String> multiply(Set<String> left,
                            Set<String> right)

Specified by:

multiply in interface ExpNodeVisitor<Set<String>>

divide

public Set<String> divide(Set<String> left,
                          Set<String> right)

Specified by:

divide in interface ExpNodeVisitor<Set<String>>

isNull

public Set<String> isNull(Set<String> expr)

Specified by:

isNull in interface ExpNodeVisitor<Set<String>>

isNotNull

public Set<String> isNotNull(Set<String> expr)

Specified by:

isNotNull in interface ExpNodeVisitor<Set<String>>

between

public Set<String> between(Set<String> leftValue,
                           Set<String> rightValue)

Specified by:

between in interface ExpNodeVisitor<Set<String>>

in

public Set<String> in(Set<String> leftValue,
                      List<Set<String>> args)

Specified by:

in in interface ExpNodeVisitor<Set<String>>

like

public Set<String> like(Set<String> left,
                        Set<String> right)

Specified by:

like in interface ExpNodeVisitor<Set<String>>

escape

public Set<String> escape(Set<String> left,
                          Set<String> right)

Specified by:

escape in interface ExpNodeVisitor<Set<String>>

bindMarker

public Set<String> bindMarker(Double value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

bindMarker

public Set<String> bindMarker(Long value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

bindMarker

public Set<String> bindMarker(Integer value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

bindMarker

public Set<String> bindMarker(String value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

bindMarker

public Set<String> bindMarker(Instant value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

select

public Set<String> select(Select select)

Description copied from interface: ExpNodeVisitor

Process a sub-select statement

Specified by:

select in interface ExpNodeVisitor<Set<String>>

Returns:

coalesce

public Set<String> coalesce(List<ColumnRef> columnRefs)

Description copied from interface: ExpNodeVisitor

Render a COALESCE(...) function

Specified by:

coalesce in interface ExpNodeVisitor<Set<String>>

Returns:

bindMarker

public Set<String> bindMarker(BigDecimal value)

Specified by:

bindMarker in interface ExpNodeVisitor<Set<String>>

cos

public Set<String> cos(Set<String> arg)

Description copied from interface: ExpNodeVisitor

SQL COS function

Specified by:

cos in interface ExpNodeVisitor<Set<String>>

Returns:

acos

public Set<String> acos(Set<String> arg)

Description copied from interface: ExpNodeVisitor

SQL ACOS function

Specified by:

acos in interface ExpNodeVisitor<Set<String>>

Returns:

sin

public Set<String> sin(Set<String> arg)

Description copied from interface: ExpNodeVisitor

SQL SIN function

Specified by:

sin in interface ExpNodeVisitor<Set<String>>

Returns: