Package io.deephaven.api

Class AsOfJoinMatch

java.lang.Object

io.deephaven.api.AsOfJoinMatch

@Immutable
public abstract class AsOfJoinMatch
extends Object

Constructor Summary

Constructors

Constructor	Description
AsOfJoinMatch()

Method Summary

Modifier and Type	Method	Description
final boolean	isAj()
final boolean	isRaj()
abstract AsOfJoinRule	joinRule()
abstract ColumnName	leftColumn()
static AsOfJoinMatch	of(ColumnName leftColumn, AsOfJoinRule joinRule, ColumnName rightColumn)
static AsOfJoinMatch	parseForAj(String x)	Parses the expression x, expecting it to either be a single column name, or an expression of the form "lhsColumnName >= rhsColumnName" or "lhsColumnName > rhsColumnName".
static AsOfJoinMatch	parseForRaj(String x)	Parses the expression x, expecting it to either be a single column name, or an expression of the form "lhsColumnName <= rhsColumnName" or "lhsColumnName < rhsColumnName".
abstract ColumnName	rightColumn()
final String	toRpcString()

Methods inherited from class java.lang.Object

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

Constructor Details

AsOfJoinMatch

public AsOfJoinMatch()

Method Details

of

public static AsOfJoinMatch of(ColumnName leftColumn,
 AsOfJoinRule joinRule,
 ColumnName rightColumn)

parseForAj

public static AsOfJoinMatch parseForAj(String x)

Parses the expression x, expecting it to either be a single column name, or an expression of the form "lhsColumnName >= rhsColumnName" or "lhsColumnName > rhsColumnName". When it is a single column name, a join rule AsOfJoinRule.GREATER_THAN_EQUAL is used.

Parameters:

x - the expression

Returns:

the as-of join match

parseForRaj

public static AsOfJoinMatch parseForRaj(String x)

Parses the expression x, expecting it to either be a single column name, or an expression of the form "lhsColumnName <= rhsColumnName" or "lhsColumnName < rhsColumnName". When it is a single column name, a join rule AsOfJoinRule.LESS_THAN_EQUAL is used.

Parameters:

x - the expression

Returns:

the as-of join match

leftColumn

@Parameter
public abstract ColumnName leftColumn()

joinRule

@Parameter
public abstract AsOfJoinRule joinRule()

rightColumn

@Parameter
public abstract ColumnName rightColumn()

toRpcString

public final String toRpcString()

isAj

public final boolean isAj()

isRaj

public final boolean isRaj()