[#8619] Let Query subtypes extends RowCountQuery, which extends Publisher<Integer>

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

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+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq;
+
+import java.util.concurrent.Flow;
+
+/**
+ * Any query that is not a {@link ResultQuery}, and thus possibly produces a row
+ * count as a result, instead of a {@link Result}.
+ *
+ * @author Lukas Eder
+ */
+public interface RowCountQuery
+extends
+    Query
+    , org.reactivestreams.Publisher<Integer>
+    , Flow.Publisher<Integer>
+{
+
+}

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

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+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq.impl;
+
+import java.util.concurrent.Flow;
+
+import org.jooq.RowCountQuery;
+
+/**
+ * @author Lukas Eder
+ */
+abstract class AbstractDelegatingRowCountQuery<Q extends RowCountQuery> extends AbstractDelegatingQuery<Q> implements RowCountQuery {
+
+    /**
+     * Generated UID
+     */
+    private static final long serialVersionUID = 6710523592699040547L;
+
+    AbstractDelegatingRowCountQuery(Q delegate) {
+        super(delegate);
+    }
+
+
+
+    @Override
+    public final void subscribe(Flow.Subscriber<? super Integer> subscriber) {
+        getDelegate().subscribe(subscriber);
+    }
+
+
+
+
+
+    @Override
+    public final void subscribe(org.reactivestreams.Subscriber<? super Integer> subscriber) {
+        getDelegate().subscribe(subscriber);
+    }
+
+
+}

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

@@ -0,0 +1,93 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * Other licenses:
+ * -----------------------------------------------------------------------------
+ * Commercial licenses for this work are available. These replace the above
+ * ASL 2.0 and offer limited warranties, support, maintenance, and commercial
+ * database integrations.
+ *
+ * For more information, please visit: http://www.jooq.org/licenses
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ *
+ */
+package org.jooq.impl;
+
+import org.jooq.Configuration;
+import org.jooq.RowCountQuery;
+
+/**
+ * @author Lukas Eder
+ */
+abstract class AbstractRowCountQuery extends AbstractQuery implements RowCountQuery {
+
+    /**
+     * Generated UID
+     */
+    private static final long serialVersionUID = 516654856465466162L;
+
+    AbstractRowCountQuery(Configuration configuration) {
+        super(configuration);
+    }
+
+
+
+    @Override
+    public final void subscribe(org.reactivestreams.Subscriber<? super Integer> subscriber) {
+        subscriber.onSubscribe(new org.reactivestreams.Subscription() {
+            Integer rows;
+
+            @Override
+            public void request(long n) {
+                try {
+                    if (rows == null)
+                        subscriber.onNext(rows = execute());
+                }
+                catch (Throwable t) {
+                    subscriber.onError(t);
+                }
+
+                subscriber.onComplete();
+            }
+
+            @Override
+            public void cancel() {
+            }
+        });
+    }
+
+
+
+
+
+    @Override
+    public final void subscribe(java.util.concurrent.Flow.Subscriber<? super Integer> subscriber) {
+        subscribe(new FlowToReactiveStreamsSubscriberBridge<Integer>(subscriber));
+    }
+
+
+}