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Fix a race condition in Derived Field parsing from search request
Signed-off-by: Rishabh Maurya <rishabhmaurya05@gmail.com>
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64 changes: 64 additions & 0 deletions
64
server/src/main/java/org/opensearch/common/util/CopyUtil.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,64 @@ | ||
| /* | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| * | ||
| * The OpenSearch Contributors require contributions made to | ||
| * this file be licensed under the Apache-2.0 license or a | ||
| * compatible open source license. | ||
| */ | ||
|
|
||
| package org.opensearch.common.util; | ||
|
|
||
| import java.time.ZonedDateTime; | ||
| import java.util.ArrayList; | ||
| import java.util.Arrays; | ||
| import java.util.Date; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
||
| /** | ||
| * Utility class for deep copying Object of different types. | ||
| */ | ||
| public class CopyUtil { | ||
|
|
||
| /** | ||
| * Deep copies the provided object | ||
| * @return cloned object after deep copy. Throws {@link IllegalArgumentException} for unsupported object type. | ||
| */ | ||
| public static Object deepCopy(Object value) { | ||
| if (value instanceof Map) { | ||
| Map<?, ?> mapValue = (Map<?, ?>) value; | ||
| Map<Object, Object> copy = new HashMap<>(mapValue.size()); | ||
| for (Map.Entry<?, ?> entry : mapValue.entrySet()) { | ||
| copy.put(entry.getKey(), deepCopy(entry.getValue())); | ||
| } | ||
| return copy; | ||
| } else if (value instanceof List) { | ||
| List<?> listValue = (List<?>) value; | ||
| List<Object> copy = new ArrayList<>(listValue.size()); | ||
| for (Object itemValue : listValue) { | ||
| copy.add(deepCopy(itemValue)); | ||
| } | ||
| return copy; | ||
| } else if (value instanceof byte[]) { | ||
| byte[] bytes = (byte[]) value; | ||
| return Arrays.copyOf(bytes, bytes.length); | ||
| } else if (value == null | ||
| || value instanceof Byte | ||
| || value instanceof Character | ||
| || value instanceof Short | ||
| || value instanceof String | ||
| || value instanceof Integer | ||
| || value instanceof Long | ||
| || value instanceof Float | ||
| || value instanceof Double | ||
| || value instanceof Boolean | ||
| || value instanceof ZonedDateTime) { | ||
| return value; | ||
| } else if (value instanceof Date) { | ||
| return ((Date) value).clone(); | ||
| } else { | ||
| throw new IllegalArgumentException("unexpected value type [" + value.getClass() + "]"); | ||
| } | ||
| } | ||
| } |
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