From 4882d723ba204462c3ee26c93f61c8ccbb7fc1f5 Mon Sep 17 00:00:00 2001
From: Lukas Eder <lukas.eder@gmail.com>
Date: Mon, 23 Jan 2023 09:28:44 +0100
Subject: [PATCH] [jOOQ/jOOQ#14537] Add org.jooq.True, org.jooq.False, and
 org.jooq.Null to QOM API

---
 .../java/org/jooq/impl/FalseCondition.java    | 10 ++++++-
 .../java/org/jooq/impl/NullCondition.java     | 10 ++++++-
 jOOQ/src/main/java/org/jooq/impl/QOM.java     | 30 +++++++++++++++++++
 .../java/org/jooq/impl/TrueCondition.java     | 10 ++++++-
 4 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/jOOQ/src/main/java/org/jooq/impl/FalseCondition.java b/jOOQ/src/main/java/org/jooq/impl/FalseCondition.java
index 911798469f..947531d5cb 100644
--- a/jOOQ/src/main/java/org/jooq/impl/FalseCondition.java
+++ b/jOOQ/src/main/java/org/jooq/impl/FalseCondition.java
@@ -51,7 +51,15 @@ import org.jooq.impl.QOM.UEmpty;
 /**
  * @author Lukas Eder
  */
-final class FalseCondition extends AbstractCondition implements False, UEmpty, SimpleQueryPart {
+final class FalseCondition
+extends
+    AbstractCondition
+implements
+    False,
+    QOM.False,
+    UEmpty,
+    SimpleQueryPart
+{
 
     private static final Clause[] CLAUSES  = { CONDITION, CONDITION_COMPARISON };
     static final FalseCondition   INSTANCE = new FalseCondition();
diff --git a/jOOQ/src/main/java/org/jooq/impl/NullCondition.java b/jOOQ/src/main/java/org/jooq/impl/NullCondition.java
index e99ff30ec5..810ea02816 100644
--- a/jOOQ/src/main/java/org/jooq/impl/NullCondition.java
+++ b/jOOQ/src/main/java/org/jooq/impl/NullCondition.java
@@ -57,7 +57,15 @@ import org.jooq.impl.QOM.UEmpty;
 /**
  * @author Lukas Eder
  */
-final class NullCondition extends AbstractCondition implements Null, UEmpty, SimpleQueryPart {
+final class NullCondition
+extends
+    AbstractCondition
+implements
+    Null,
+    QOM.Null,
+    UEmpty,
+    SimpleQueryPart
+{
 
     private static final Clause[] CLAUSES  = { CONDITION, CONDITION_COMPARISON };
     static final NullCondition    INSTANCE = new NullCondition();
diff --git a/jOOQ/src/main/java/org/jooq/impl/QOM.java b/jOOQ/src/main/java/org/jooq/impl/QOM.java
index 395279459c..4ef04f1d7d 100644
--- a/jOOQ/src/main/java/org/jooq/impl/QOM.java
+++ b/jOOQ/src/main/java/org/jooq/impl/QOM.java
@@ -840,6 +840,36 @@ public final class QOM {
     // XXX: Conditions
     // -------------------------------------------------------------------------
 
+    /**
+     * A {@link Condition} that is always <code>TRUE</code>.
+     */
+    public sealed interface True
+        extends
+            Condition
+        permits
+            TrueCondition
+    {}
+
+    /**
+     * A {@link Condition} that is always <code>FALSE</code>.
+     */
+    public sealed interface False
+        extends
+            Condition
+        permits
+            FalseCondition
+    {}
+
+    /**
+     * A {@link Condition} that is always <code>NULL</code>.
+     */
+    public sealed interface Null
+        extends
+            Condition
+        permits
+            NullCondition
+    {}
+
     /**
      * A {@link Condition} consisting of two {@link Condition} operands and a
      * binary logic {@link Operator}.
diff --git a/jOOQ/src/main/java/org/jooq/impl/TrueCondition.java b/jOOQ/src/main/java/org/jooq/impl/TrueCondition.java
index 0ae16e1f2d..a42b1f503c 100644
--- a/jOOQ/src/main/java/org/jooq/impl/TrueCondition.java
+++ b/jOOQ/src/main/java/org/jooq/impl/TrueCondition.java
@@ -71,7 +71,15 @@ import org.jooq.impl.QOM.UEmpty;
 /**
  * @author Lukas Eder
  */
-final class TrueCondition extends AbstractCondition implements True, UEmpty, SimpleQueryPart {
+final class TrueCondition
+extends
+    AbstractCondition
+implements
+    True,
+    QOM.True,
+    UEmpty,
+    SimpleQueryPart
+{
 
     private static final Clause[] CLAUSES            = { CONDITION, CONDITION_COMPARISON };
     static final TrueCondition    INSTANCE           = new TrueCondition();