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fix #2861 Add Kryo support for temporary data serialization in the cr…
…awler
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93 changes: 93 additions & 0 deletions
93
src/main/java/org/codelibs/fess/crawler/serializer/DataSerializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| /* | ||
| * Copyright 2012-2024 CodeLibs Project and the Others. | ||
| * | ||
| * 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. | ||
| */ | ||
| package org.codelibs.fess.crawler.serializer; | ||
|
|
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| import java.io.ByteArrayInputStream; | ||
| import java.io.ByteArrayOutputStream; | ||
| import java.io.IOException; | ||
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| import org.apache.logging.log4j.LogManager; | ||
| import org.apache.logging.log4j.Logger; | ||
| import org.codelibs.core.exception.IORuntimeException; | ||
| import org.codelibs.core.io.SerializeUtil; | ||
| import org.codelibs.fess.util.ComponentUtil; | ||
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|
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| import com.esotericsoftware.kryo.Kryo; | ||
| import com.esotericsoftware.kryo.io.Input; | ||
| import com.esotericsoftware.kryo.io.Output; | ||
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| public class DataSerializer { | ||
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| private static final Logger logger = LogManager.getLogger(DataSerializer.class); | ||
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| protected static final String JAVABIN = "javabin"; | ||
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| protected static final String KRYO = "kryo"; | ||
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| protected final ThreadLocal<Kryo> kryoThreadLocal; | ||
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| public DataSerializer() { | ||
| kryoThreadLocal = ThreadLocal.withInitial(() -> { | ||
| final Kryo kryo = new Kryo(); | ||
| // TODO use kryo.register | ||
| kryo.setRegistrationRequired(false); | ||
| if (logger.isDebugEnabled()) { | ||
| kryo.setWarnUnregisteredClasses(true); | ||
| } | ||
| return kryo; | ||
| }); | ||
| } | ||
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| protected String getSerializerType() { | ||
| return ComponentUtil.getFessConfig().getCrawlerDataSerializer(); | ||
| } | ||
|
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| public byte[] fromObjectToBinary(final Object obj) { | ||
| final String serializer = getSerializerType(); | ||
| return switch (serializer) { | ||
| case KRYO -> serializeWithKryo(obj); | ||
| case JAVABIN -> SerializeUtil.fromObjectToBinary(obj); | ||
| default -> throw new IllegalArgumentException("Unexpected value: " + serializer); | ||
| }; | ||
| } | ||
|
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| public Object fromBinaryToObject(final byte[] bytes) { | ||
| final String serializer = getSerializerType(); | ||
| return switch (serializer) { | ||
| case KRYO -> deserializeWithKryo(bytes); | ||
| case JAVABIN -> SerializeUtil.fromBinaryToObject(bytes); | ||
| default -> throw new IllegalArgumentException("Unexpected value: " + serializer); | ||
| }; | ||
| } | ||
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| protected byte[] serializeWithKryo(final Object obj) { | ||
| final Kryo kryo = kryoThreadLocal.get(); | ||
| try (ByteArrayOutputStream baos = new ByteArrayOutputStream(); final Output output = new Output(baos)) { | ||
| kryo.writeClassAndObject(output, obj); | ||
| output.flush(); | ||
| return baos.toByteArray(); | ||
| } catch (final IOException e) { | ||
| throw new IORuntimeException(e); | ||
| } | ||
| } | ||
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| protected Object deserializeWithKryo(final byte[] bytes) { | ||
| final Kryo kryo = kryoThreadLocal.get(); | ||
| try (final Input input = new Input(new ByteArrayInputStream(bytes))) { | ||
| return kryo.readClassAndObject(input); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -263,4 +263,5 @@ default Map<String, Object> processFieldConfigs(final Map<String, Object> dataMa | |
| } | ||
| return newDataMap; | ||
| } | ||
|
|
||
| } | ||
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