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[Fix #3721] Optimize event grouping
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29 files changed

+1477
-42
lines changed

29 files changed

+1477
-42
lines changed

‎api/kogito-events-api/pom.xml

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@@ -47,10 +47,6 @@
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</dependency>
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<!-- CloudEvents -->
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<dependency>
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<groupId>io.cloudevents</groupId>
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<artifactId>cloudevents-core</artifactId>
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</dependency>
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<!-- Tests -->
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<dependency>
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<groupId>org.junit.jupiter</groupId>
@@ -72,6 +68,10 @@
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<artifactId>slf4j-simple</artifactId>
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<scope>test</scope>
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</dependency>
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<dependency>
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<groupId>org.kie.kogito</groupId>
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<artifactId>kogito-jackson-utils</artifactId>
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</dependency>
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</dependencies>
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</project>

‎api/kogito-events-api/src/main/java/org/kie/kogito/event/process/CloudEventVisitor.java

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.kie.kogito.event.process;
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import org.kie.kogito.event.DataEvent;
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public interface CloudEventVisitor {
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void visit(DataEvent<?> cloudEvent);
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}

‎api/kogito-events-api/src/main/java/org/kie/kogito/event/process/KogitoEventBodySerializationHelper.java

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@@ -0,0 +1,297 @@
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
8+
* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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package org.kie.kogito.event.process;
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import java.io.DataInput;
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import java.io.DataOutput;
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import java.io.IOException;
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import java.time.Instant;
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import java.time.OffsetDateTime;
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import java.time.ZoneOffset;
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import java.util.Collection;
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import java.util.Date;
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import org.kie.kogito.jackson.utils.ObjectMapperFactory;
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import com.fasterxml.jackson.databind.JsonNode;
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public class KogitoEventBodySerializationHelper {
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private KogitoEventBodySerializationHelper() {
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}
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public static String readUTF(DataInput in) throws IOException {
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boolean isNotNull = in.readBoolean();
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return isNotNull ? in.readUTF() : null;
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}
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public static void writeUTF(DataOutput out, String string) throws IOException {
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if (string == null) {
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out.writeBoolean(false);
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} else {
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out.writeBoolean(true);
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out.writeUTF(string);
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}
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}
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public static void writeDate(DataOutput out, Date date) throws IOException {
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if (date == null) {
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out.writeBoolean(false);
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} else {
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out.writeBoolean(true);
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out.writeLong(date.getTime());
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}
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}
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public static Date readDate(DataInput in) throws IOException {
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boolean isNotNull = in.readBoolean();
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return isNotNull ? new Date(in.readLong()) : null;
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}
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public static void writeTime(DataOutput out, OffsetDateTime date) throws IOException {
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if (date == null) {
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out.writeBoolean(false);
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} else {
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out.writeBoolean(true);
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out.writeLong(date.toInstant().toEpochMilli());
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}
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}
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public static OffsetDateTime readTime(DataInput in) throws IOException {
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boolean isNotNull = in.readBoolean();
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return isNotNull ? Instant.ofEpochMilli(in.readLong()).atOffset(ZoneOffset.UTC) : null;
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}
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public static void writeUTFCollection(DataOutput out, Collection<String> collection) throws IOException {
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if (collection == null) {
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writeInt(out, -1);
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} else {
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writeInt(out, collection.size());
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for (String item : collection) {
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writeUTF(out, item);
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}
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}
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}
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public static <T extends Collection<String>> T readUTFCollection(DataInput in, T holder) throws IOException {
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int size = readInt(in);
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if (size == -1) {
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return null;
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}
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while (size-- > 0) {
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holder.add(readUTF(in));
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}
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return holder;
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}
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private enum SerType {
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NULL(KogitoEventBodySerializationHelper::writeNull, KogitoEventBodySerializationHelper::readNull),
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JSON(KogitoEventBodySerializationHelper::writeJson, KogitoEventBodySerializationHelper::readJson),
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DEFAULT(KogitoEventBodySerializationHelper::writeJson, KogitoEventBodySerializationHelper::readDefault),
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STRING(KogitoEventBodySerializationHelper::writeString, DataInput::readUTF),
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INT(KogitoEventBodySerializationHelper::writeInt, DataInput::readInt),
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SHORT(KogitoEventBodySerializationHelper::writeShort, DataInput::readShort),
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LONG(KogitoEventBodySerializationHelper::writeLong, DataInput::readLong),
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BYTE(KogitoEventBodySerializationHelper::writeByte, DataInput::readByte),
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BOOLEAN(KogitoEventBodySerializationHelper::writeBoolean, DataInput::readBoolean),
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FLOAT(KogitoEventBodySerializationHelper::writeFloat, DataInput::readFloat),
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DOUBLE(KogitoEventBodySerializationHelper::writeDouble, DataInput::readDouble);
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final ObjectWriter writer;
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final ObjectReader reader;
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SerType(ObjectWriter writer, ObjectReader reader) {
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this.writer = writer;
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this.reader = reader;
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}
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ObjectWriter writer() {
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return writer;
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}
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ObjectReader reader() {
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return reader;
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}
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static SerType fromType(Class<?> type) {
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if (JsonNode.class.isAssignableFrom(type)) {
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return JSON;
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} else if (String.class.isAssignableFrom(type)) {
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return STRING;
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} else if (Boolean.class.isAssignableFrom(type)) {
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return BOOLEAN;
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} else if (Integer.class.isAssignableFrom(type)) {
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return INT;
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} else if (Short.class.isAssignableFrom(type)) {
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return SHORT;
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} else if (Byte.class.isAssignableFrom(type)) {
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return BYTE;
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} else if (Long.class.isAssignableFrom(type)) {
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return LONG;
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} else if (Float.class.isAssignableFrom(type)) {
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return FLOAT;
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} else if (Double.class.isAssignableFrom(type)) {
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return DOUBLE;
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} else {
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return DEFAULT;
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}
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}
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static SerType fromObject(Object obj) {
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return obj == null ? NULL : fromType(obj.getClass());
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}
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}
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private static void writeType(DataOutput out, SerType type) throws IOException {
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out.writeByte(type.ordinal());
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}
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private static SerType readType(DataInput in) throws IOException {
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return SerType.values()[in.readByte()];
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}
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public static void writeObject(DataOutput out, Object obj) throws IOException {
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SerType type = SerType.fromObject(obj);
172+
writeType(out, type);
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type.writer().accept(out, obj);
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}
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public static Object readObject(DataInput in) throws IOException {
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return readType(in).reader().apply(in);
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}
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@FunctionalInterface
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private static interface ObjectWriter {
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void accept(DataOutput out, Object obj) throws IOException;
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}
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private static interface ObjectReader {
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Object apply(DataInput out) throws IOException;
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}
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private static void writeString(DataOutput out, Object obj) throws IOException {
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out.writeUTF((String) obj);
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}
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private static void writeBoolean(DataOutput out, Object obj) throws IOException {
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out.writeBoolean((Boolean) obj);
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}
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private static void writeInt(DataOutput out, Object obj) throws IOException {
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out.writeInt((Integer) obj);
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}
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private static void writeLong(DataOutput out, Object obj) throws IOException {
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out.writeInt((Integer) obj);
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}
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private static void writeShort(DataOutput out, Object obj) throws IOException {
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out.writeShort((Short) obj);
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}
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private static void writeByte(DataOutput out, Object obj) throws IOException {
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out.writeByte((Byte) obj);
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}
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private static void writeFloat(DataOutput out, Object obj) throws IOException {
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out.writeFloat((Float) obj);
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}
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private static void writeDouble(DataOutput out, Object obj) throws IOException {
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out.writeDouble((Double) obj);
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}
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private static void writeNull(DataOutput out, Object obj) {
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// do nothing
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}
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private static Object readNull(DataInput in) {
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return null;
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}
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public static void writeInteger(DataOutput out, Integer integer) throws IOException {
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if (integer == null) {
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writeType(out, SerType.NULL);
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} else {
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writeInt(out, integer.intValue());
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}
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}
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public static Integer readInteger(DataInput in) throws IOException {
238+
SerType type = readType(in);
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return type == SerType.NULL ? null : readInt(in, type);
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}
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private static void writeInt(DataOutput out, int size) throws IOException {
244+
if (size < Byte.MAX_VALUE) {
245+
writeType(out, SerType.BYTE);
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out.writeByte((byte) size);
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} else if (size < Short.MAX_VALUE) {
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writeType(out, SerType.SHORT);
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out.writeShort((short) size);
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} else {
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writeType(out, SerType.INT);
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out.writeInt(size);
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}
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}
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private static int readInt(DataInput in) throws IOException {
257+
SerType type = readType(in);
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return readInt(in, type);
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}
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private static int readInt(DataInput in, SerType type) throws IOException {
262+
switch (type) {
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case INT:
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return in.readInt();
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case SHORT:
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return in.readShort();
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case BYTE:
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return in.readByte();
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default:
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throw new IOException("Stream corrupted. Read unrecognized type " + type);
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}
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}
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private static void writeJson(DataOutput out, Object obj) throws IOException {
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byte[] bytes = ObjectMapperFactory.get().writeValueAsBytes(obj);
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out.writeInt(bytes.length);
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out.write(bytes);
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}
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private static Object readJson(DataInput in) throws IOException {
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return readJson(in, JsonNode.class);
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}
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private static Object readDefault(DataInput in) throws IOException {
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return readJson(in, Object.class);
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}
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private static Object readJson(DataInput in, Class<?> type) throws IOException {
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byte[] bytes = new byte[in.readInt()];
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in.readFully(bytes);
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return ObjectMapperFactory.get().readValue(bytes, type);
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}
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public static Date toDate(OffsetDateTime time) {
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return time == null ? null : Date.from(time.toInstant());
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}
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}

‎api/kogito-events-api/src/main/java/org/kie/kogito/event/process/KogitoMarshallEventSupport.java

Lines changed: 30 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,30 @@
1+
/*
2+
* Licensed to the Apache Software Foundation (ASF) under one
3+
* or more contributor license agreements. See the NOTICE file
4+
* distributed with this work for additional information
5+
* regarding copyright ownership. The ASF licenses this file
6+
* to you under the Apache License, Version 2.0 (the
7+
* "License"); you may not use this file except in compliance
8+
* with the License. You may obtain a copy of the License at
9+
*
10+
* http://www.apache.org/licenses/LICENSE-2.0
11+
*
12+
* Unless required by applicable law or agreed to in writing,
13+
* software distributed under the License is distributed on an
14+
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15+
* KIND, either express or implied. See the License for the
16+
* specific language governing permissions and limitations
17+
* under the License.
18+
*/
19+
package org.kie.kogito.event.process;
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21+
import java.io.DataInput;
22+
import java.io.DataOutput;
23+
import java.io.IOException;
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public interface KogitoMarshallEventSupport {
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void writeEvent(DataOutput out) throws IOException;
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void readEvent(DataInput in) throws IOException;
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}

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