[jOOQ/jOOQ#10402] Add when(Field<Boolean>) overloads to CASE expression API

jOOQ/src/main/java/org/jooq/Case.java

@@ -37,11 +37,10 @@
  */
 package org.jooq;
 
-import org.jetbrains.annotations.*;
-
-
 import org.jooq.impl.DSL;
 
+import org.jetbrains.annotations.NotNull;
+
 
 /**
  * The SQL case statement.
@@ -145,4 +144,55 @@ public interface Case {
     @NotNull
     @Support
     <T> CaseConditionStep<T> when(Condition condition, Select<? extends Record1<T>> result);
+
+    /**
+     * This construct can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     *
+     * @param <T> The generic field type parameter
+     * @param condition A condition to check in the case statement
+     * @param result The result if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    <T> CaseConditionStep<T> when(Field<Boolean> condition, T result);
+
+    /**
+     * This construct can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     *
+     * @param <T> The generic field type parameter
+     * @param condition A condition to check in the case statement
+     * @param result The result if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    <T> CaseConditionStep<T> when(Field<Boolean> condition, Field<T> result);
+
+    /**
+     * This construct can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     *
+     * @param <T> The generic field type parameter
+     * @param condition A condition to check in the case statement
+     * @param result The result if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    <T> CaseConditionStep<T> when(Field<Boolean> condition, Select<? extends Record1<T>> result);
 }

jOOQ/src/main/java/org/jooq/CaseConditionStep.java

@@ -37,7 +37,7 @@
  */
 package org.jooq;
 
-import org.jetbrains.annotations.*;
+import org.jetbrains.annotations.NotNull;
 
 
 /**
@@ -90,6 +90,42 @@ public interface CaseConditionStep<T> extends Field<T> {
     @Support
     CaseConditionStep<T> when(Condition condition, Select<? extends Record1<T>> result);
 
+    /**
+     * Compare a condition to the already constructed case statement, return
+     * result if the condition holds true
+     *
+     * @param condition The condition to add to the case statement
+     * @param result The result value if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    CaseConditionStep<T> when(Field<Boolean> condition, T result);
+
+    /**
+     * Compare a condition to the already constructed case statement, return
+     * result if the condition holds true
+     *
+     * @param condition The condition to add to the case statement
+     * @param result The result value if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    CaseConditionStep<T> when(Field<Boolean> condition, Field<T> result);
+
+    /**
+     * Compare a condition to the already constructed case statement, return
+     * result if the condition holds true
+     *
+     * @param condition The condition to add to the case statement
+     * @param result The result value if the condition holds true
+     * @return An intermediary step for case statement construction
+     */
+    @NotNull
+    @Support
+    CaseConditionStep<T> when(Field<Boolean> condition, Select<? extends Record1<T>> result);
+
     /**
      * Add an else clause to the already constructed case statement
      *

jOOQ/src/main/java/org/jooq/ContinueWhenStep.java

@@ -37,7 +37,13 @@
  */
 package org.jooq;
 
-import org.jetbrains.annotations.*;
+
+
+
+
+
+
+
 
 
 

jOOQ/src/main/java/org/jooq/ExitWhenStep.java

@@ -37,7 +37,13 @@
  */
 package org.jooq;
 
-import org.jetbrains.annotations.*;
+
+
+
+
+
+
+
 
 
 

jOOQ/src/main/java/org/jooq/impl/CaseConditionStepImpl.java

@@ -98,6 +98,21 @@ final class CaseConditionStepImpl<T> extends AbstractField<T> implements CaseCon
         return when(condition, DSL.field(result));
     }
 
+    @Override
+    public final CaseConditionStep<T> when(Field<Boolean> condition, T result) {
+        return when(DSL.condition(condition), result);
+    }
+
+    @Override
+    public final CaseConditionStep<T> when(Field<Boolean> condition, Field<T> result) {
+        return when(DSL.condition(condition), result);
+    }
+
+    @Override
+    public final CaseConditionStep<T> when(Field<Boolean> condition, Select<? extends Record1<T>> result) {
+        return when(DSL.condition(condition), result);
+    }
+
     @Override
     public final Field<T> otherwise(T result) {
         return else_(result);

jOOQ/src/main/java/org/jooq/impl/CaseImpl.java

@@ -77,4 +77,19 @@ final class CaseImpl implements Case {
     public final <T> CaseConditionStep<T> when(Condition condition, Select<? extends Record1<T>> result) {
         return when(condition, DSL.field(result));
     }
+
+    @Override
+    public final <T> CaseConditionStep<T> when(Field<Boolean> condition, T result) {
+        return when(DSL.condition(condition), result);
+    }
+
+    @Override
+    public final <T> CaseConditionStep<T> when(Field<Boolean> condition, Field<T> result) {
+        return when(DSL.condition(condition), result);
+    }
+
+    @Override
+    public final <T> CaseConditionStep<T> when(Field<Boolean> condition, Select<? extends Record1<T>> result) {
+        return when(DSL.condition(condition), result);
+    }
 }

jOOQ/src/main/java/org/jooq/impl/Continue.java

@@ -125,6 +125,12 @@ package org.jooq.impl;
 
 
 
+
+
+
+
+
+
 
 
 

jOOQ/src/main/java/org/jooq/impl/DSL.java

@@ -11896,6 +11896,30 @@ public class DSL {
 
 
 
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
 
 
@@ -14106,6 +14130,54 @@ public class DSL {
         return decode().when(condition, result);
     }
 
+    /**
+     * Initialise a {@link Case} statement.
+     * <p>
+     * This API can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     */
+    @NotNull
+    @Support
+    public static <T> CaseConditionStep<T> when(Field<Boolean> condition, T result) {
+        return decode().when(condition, result);
+    }
+
+    /**
+     * Initialise a {@link Case} statement.
+     * <p>
+     * This API can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     */
+    @NotNull
+    @Support
+    public static <T> CaseConditionStep<T> when(Field<Boolean> condition, Field<T> result) {
+        return decode().when(condition, result);
+    }
+
+    /**
+     * Initialise a {@link Case} statement.
+     * <p>
+     * This API can be used to create expressions of the type <code><pre>
+     * CASE WHEN x &lt; 1  THEN 'one'
+     *      WHEN x &gt;= 2 THEN 'two'
+     *      ELSE            'three'
+     * END
+     * </pre></code>
+     */
+    @NotNull
+    @Support
+    public static <T> CaseConditionStep<T> when(Field<Boolean> condition, Select<? extends Record1<T>> result) {
+        return decode().when(condition, result);
+    }
+
     /**
      * Initialise a {@link Case} statement.
      * <p>

jOOQ/src/main/java/org/jooq/impl/Exit.java

@@ -127,6 +127,12 @@ package org.jooq.impl;
 
 
 
+
+
+
+
+
+