Package com.couchbase.client.java.query.dsl.functions

Class Case

java.lang.Object

com.couchbase.client.java.query.dsl.functions.Case

@Experimental
@Public
public class Case
extends Object

DSL for creating CASE...END constructs.

Since:

2.2

Author:

Simon Baslé

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	Case.CaseClause
static interface	Case.ThenClause
static interface	Case.WhenClause

Constructor Summary

Constructors

Constructor	Description
Case()

Method Summary

Modifier and Type	Method	Description
static Case.WhenClause	caseSearch()	Constructs a "search case" expression.
static Case.WhenClause	caseSimple(Expression expected)	Constructs a "simple case" expression.

Methods inherited from class java.lang.Object

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

Constructor Details

Case

public Case()

Method Details

caseSimple

public static Case.WhenClause caseSimple(Expression expected)

Constructs a "simple case" expression. Initial caseExpression will be compared to each WHEN clause for equality, and if it matches the corresponding THEN expression will be returned. If no WHEN-THEN matches, the ELSE expression is returned. If no ELSE was provided, NULL is returned.

Parameters:

expected - the initial caseExpression on which to match.

caseSearch

public static Case.WhenClause caseSearch()

Constructs a "search case" expression. Each WHEN clause will have its condition inspected in turn, and if it holds true the corresponding THEN expression will be returned. If no WHEN-THEN matches, the ELSE expression is returned. If no ELSE was provided, NULL is returned.