org.revenj.postgres.jinq.transform

Class JoinTransform

java.lang.Object

org.revenj.postgres.jinq.transform.RevenjQueryTransform

org.revenj.postgres.jinq.transform.RevenjOneLambdaQueryTransform

org.revenj.postgres.jinq.transform.JoinTransform

public class JoinTransform
extends RevenjOneLambdaQueryTransform

Constructor Summary

Constructors

Constructor and Description
JoinTransform(RevenjQueryTransformConfiguration config)
JoinTransform(RevenjQueryTransformConfiguration config, boolean withSource, boolean joinAsPairs, boolean isExpectingStream, boolean isJoinFetch)

Method Summary

Modifier and Type	Method and Description
<U,V> JinqPostgresQuery<U>	apply(JinqPostgresQuery<V> query, LambdaAnalysis lambda, SymbExArgumentHandler parentArgumentScope)
protected <U> RowReader<U>	createPairReader(RowReader<?> a, RowReader<?> b)
String	getTransformationTypeCachingTag() Returns a String that can be used to identify the type of transformation being applied.
JoinTransform	setIsExpectingStream(boolean isExpectingStream)
JoinTransform	setIsJoinFetch(boolean isJoinFetch)
JoinTransform	setJoinAsPairs(boolean joinAsPairs)
JoinTransform	setWithSource(boolean withSource)

Methods inherited from class org.revenj.postgres.jinq.transform.RevenjQueryTransform

makeSelectExpression, pathConditionsToExpr, simplifyAndTranslateMainPathToColumns, simplifyAndTranslatePathToColumns

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinTransform

public JoinTransform(RevenjQueryTransformConfiguration config,
                     boolean withSource,
                     boolean joinAsPairs,
                     boolean isExpectingStream,
                     boolean isJoinFetch)

JoinTransform

public JoinTransform(RevenjQueryTransformConfiguration config)

Method Detail

setWithSource

public JoinTransform setWithSource(boolean withSource)

setIsExpectingStream

public JoinTransform setIsExpectingStream(boolean isExpectingStream)

setJoinAsPairs

public JoinTransform setJoinAsPairs(boolean joinAsPairs)

setIsJoinFetch

public JoinTransform setIsJoinFetch(boolean isJoinFetch)

apply

public <U,V> JinqPostgresQuery<U> apply(JinqPostgresQuery<V> query,
                                        LambdaAnalysis lambda,
                                        SymbExArgumentHandler parentArgumentScope)
                                 throws QueryTransformException

Overrides:

apply in class RevenjOneLambdaQueryTransform

Throws:

QueryTransformException

createPairReader

protected <U> RowReader<U> createPairReader(RowReader<?> a,
                                            RowReader<?> b)

getTransformationTypeCachingTag

public String getTransformationTypeCachingTag()

Description copied from class: RevenjQueryTransform

Returns a String that can be used to identify the type of transformation being applied. This is useful for caching the effects of query transforms.

Specified by:

getTransformationTypeCachingTag in class RevenjQueryTransform