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SOLR-13731: javabin must support a 1:1 mapping of the JSON update format
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88 changes: 88 additions & 0 deletions
88
solr/solrj/src/java/org/apache/solr/common/ConditionalKeyMapWriter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,88 @@ | ||
| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
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| package org.apache.solr.common; | ||
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| import java.io.IOException; | ||
| import java.util.Set; | ||
| import java.util.function.Predicate; | ||
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| public class ConditionalKeyMapWriter implements MapWriter { | ||
| private final MapWriter delegate; | ||
| private final Predicate<CharSequence> predicate; | ||
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| public ConditionalKeyMapWriter(MapWriter delegate, Predicate<CharSequence> predicate) { | ||
| this.delegate = delegate; | ||
| this.predicate = predicate; | ||
| } | ||
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| public static class EntryWriterWrapper implements EntryWriter { | ||
| private final EntryWriter delegate; | ||
| private final Predicate<CharSequence> predicate; | ||
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| public EntryWriterWrapper(EntryWriter delegate, Predicate<CharSequence> predicate) { | ||
| this.delegate = delegate; | ||
| this.predicate = predicate; | ||
| } | ||
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| @Override | ||
| public EntryWriter put(CharSequence k, Object v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public EntryWriter put(CharSequence k, int v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public EntryWriter put(CharSequence k, long v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
|
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| @Override | ||
| public EntryWriter put(CharSequence k, float v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
|
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| @Override | ||
| public EntryWriter put(CharSequence k, double v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public EntryWriter put(CharSequence k, boolean v) throws IOException { | ||
| if (predicate.test(k)) delegate.put(k, v); | ||
| return this; | ||
| } | ||
| } | ||
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| @Override | ||
| public void writeMap(EntryWriter ew) throws IOException { | ||
| if (delegate != null) delegate.writeMap(new EntryWriterWrapper(ew, predicate)); | ||
| } | ||
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| public static Predicate<CharSequence> dedupeKeyPredicate(Set<CharSequence> keys) { | ||
| return (k) -> keys.add(k); | ||
| } | ||
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| } |
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