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druid/codestyle/druid-forbidden-apis.txt

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Prohibit some guava collection APIs and use JDK collection APIs directly (#6511) * Prohibit some guava collection APIs and use JDK APIs directly * reset files that changed by accident * sort codestyle/druid-forbidden-apis.txt alphabetically
2018-10-29 08:02:43 -04:00
com.fasterxml.jackson.databind.ObjectMapper#reader(com.fasterxml.jackson.core.type.TypeReference) @ Use ObjectMapper#readerFor instead
com.fasterxml.jackson.databind.ObjectMapper#reader(com.fasterxml.jackson.databind.JavaType) @ Use ObjectMapper#readerFor instead
com.fasterxml.jackson.databind.ObjectMapper#reader(java.lang.Class) @ Use ObjectMapper#readerFor instead
Reduce allocations due to Jackson serialization. (#12468) * Reduce allocations due to Jackson serialization. This patch attacks two sources of allocations during Jackson serialization: 1) ObjectMapper.writeValue and JsonGenerator.writeObject create a new DefaultSerializerProvider instance for each call. It has lots of fields and creates pressure on the garbage collector. So, this patch adds helper functions in JacksonUtils that enable reuse of SerializerProvider objects and updates various call sites to make use of this. 2) GroupByQueryToolChest copies the ObjectMapper for every query to install a special module that supports backwards compatibility with map-based rows. This isn't needed if resultAsArray is set and all servers are running Druid 0.16.0 or later. This release was a while ago. So, this patch disables backwards compatibility by default, which eliminates the need to copy the heavyweight ObjectMapper. The patch also introduces a configuration option that allows admins to explicitly enable backwards compatibility. * Add test. * Update additional call sites and add to forbidden APIs.
2022-04-27 17:17:26 -04:00
com.fasterxml.jackson.databind.ObjectMapper#writeValue(com.fasterxml.jackson.core.JsonGenerator, java.lang.Object) @ Use JacksonUtils#writeObjectUsingSerializerProvider to allow SerializerProvider reuse
com.fasterxml.jackson.core.JsonGenerator#writeObject(java.lang.Object) @ Use JacksonUtils#writeObjectUsingSerializerProvider to allow SerializerProvider reuse
Prohibit some guava collection APIs and use JDK collection APIs directly (#6511) * Prohibit some guava collection APIs and use JDK APIs directly * reset files that changed by accident * sort codestyle/druid-forbidden-apis.txt alphabetically
2018-10-29 08:02:43 -04:00
com.google.common.base.Charsets @ Use java.nio.charset.StandardCharsets instead
com.google.common.collect.Iterators#emptyIterator() @ Use java.util.Collections#emptyIterator()
GroupBy: Reduce allocations by reusing entry and key holders. (#12474) * GroupBy: Reduce allocations by reusing entry and key holders. Two main changes: 1) Reuse Entry objects returned by various implementations of Grouper.iterator. 2) Reuse key objects contained within those Entry objects. This is allowed by the contract, which states that entries must be processed and immediately discarded. However, not all call sites respected this, so this patch also updates those call sites. One particularly sneaky way that the old code retained entries too long is due to Guava's MergingIterator and CombiningIterator. Internally, these both advance to the next value prior to returning the current value. So, this patch addresses that in two ways: 1) For merging, we have our own implementation MergeIterator already, although it had the same problem. So, this patch updates our implementation to return the current item prior to advancing to the next item. It also adds a forbidden-api entry to ensure that this safer implementation is used instead of Guava's. 2) For combining, we address the problem in a different way: by copying the key when creating the new, combined entry. * Attempt to fix test. * Remove unused import.
2022-04-29 02:21:13 -04:00
com.google.common.collect.Iterators#mergeSorted(java.lang.Iterable,java.util.Comparator) @ Use org.apache.druid.java.util.common.collect.Utils#mergeSorted()
Prohibit some guava collection APIs and use JDK collection APIs directly (#6511) * Prohibit some guava collection APIs and use JDK APIs directly * reset files that changed by accident * sort codestyle/druid-forbidden-apis.txt alphabetically
2018-10-29 08:02:43 -04:00
com.google.common.collect.Lists#newArrayList() @ Create java.util.ArrayList directly
com.google.common.collect.Lists#newLinkedList() @ Use ArrayList or ArrayDeque instead
com.google.common.collect.Lists#newLinkedList(java.lang.Iterable) @ Use ArrayList or ArrayDeque instead
Forbid MapMaker (#4845) * Forbid MapMaker * Shorter syntax * Forbid Maps.newConcurrentMap()
2017-09-27 09:49:47 -04:00
com.google.common.collect.MapMaker @ Create java.util.concurrent.ConcurrentHashMap directly
Future-proof some Guava usage (#5414) * Future-proof some Guava usage * Use a java-util EmptyIterator instead of Guava's * Change some of the guava future handling to do manual async transforms. Guava changes transform into transformAsync by deprecating transform in ONLY Guava 19. Then its gone in 20 * Use `Collections.emptyIterator()` * Pretty formatting * Make listenable future transforms a thing in default druid * Format fix * Add forbidden guava apis * Make the ListenableFutrues.transformAsync have comments * Undo intellij bad pattern matching in comments * Futrues --> Futures * Add empty iterators forbidding * Fix extra `A` * Correct method signature * Address review comments * Finish Gian review comments * Proper syntax from https://github.com/policeman-tools/forbidden-apis/wiki/SignaturesSyntax
2018-03-20 11:59:33 -04:00
com.google.common.collect.Maps#newConcurrentMap() @ Create java.util.concurrent.ConcurrentHashMap directly
Prohibit some guava collection APIs and use JDK collection APIs directly (#6511) * Prohibit some guava collection APIs and use JDK APIs directly * reset files that changed by accident * sort codestyle/druid-forbidden-apis.txt alphabetically
2018-10-29 08:02:43 -04:00
com.google.common.collect.Maps#newHashMap() @ Create java.util.HashMap directly
com.google.common.collect.Maps#newHashMap(java.util.Map) @ Create java.util.HashMap directly
com.google.common.collect.Maps#newTreeMap() @ Create java.util.TreeMap directly
com.google.common.collect.Maps#newTreeMap(java.util.Comparator) @ Create java.util.TreeMap directly
com.google.common.collect.Maps#newTreeMap(java.util.SortedMap) @ Create java.util.TreeMap directly
com.google.common.collect.Queues#newArrayDeque() @ Create java.util.ArrayDeque directly
com.google.common.collect.Queues#newConcurrentLinkedQueue() @ Create java.util.concurrent.ConcurrentLinkedQueue directly
com.google.common.collect.Queues#newLinkedBlockingQueue() @ Create java.util.concurrent.LinkedBlockingQueue directly
com.google.common.collect.Sets#newHashSet() @ Create java.util.HashSet directly
com.google.common.collect.Sets#newLinkedHashSet() @ Create java.util.LinkedHashSet directly
com.google.common.collect.Sets#newTreeSet() @ Create java.util.TreeSet directly
com.google.common.collect.Sets#newTreeSet(java.util.Comparator) @ Create java.util.TreeSet directly
Add FileUtils.createTempDir() and enforce its usage. (#8932) * Add FileUtils.createTempDir() and enforce its usage. The purpose of this is to improve error messages. Previously, the error message on a nonexistent or unwritable temp directory would be "Failed to create directory within 10,000 attempts". * Further updates. * Another update. * Remove commons-io from benchmark. * Fix tests.
2019-11-22 22:48:49 -05:00
com.google.common.io.Files#createTempDir() @ Use org.apache.druid.java.util.common.FileUtils.createTempDir()
Migrate File.mkdirs to FileUtils.mkdirp. (#11879) * Migrate File.mkdirs to FileUtils.mkdirp. * Remove unused imports. * Fix LookupReferencesManager. * Simplify. * Also migrate usages of forceMkdir. * Fix var name. * Fix incorrect call. * Update test.
2021-11-09 14:10:49 -05:00
java.io.File#mkdirs() @ Use org.apache.druid.java.util.common.FileUtils.mkdirp instead
Use JUnit TemporaryFolder rule instead of system temp folder (#6070) * Use JUnit TemporaryFolder rule instead of system tmp folder * Allow to forbid apis which present not in all mvn modules
2018-08-16 14:05:45 -04:00
java.io.File#toURL() @ Use java.io.File#toURI() and java.net.URI#toURL() instead
Prohibit String.replace() and String.replaceAll(), fix and prohibit some toString()-related redundancies (#6607) * Prohibit String.replace() and String.replaceAll(), fix and prohibit some toString()-related redundancies * Fix bug * Replace checkstyle regexp with IntelliJ inspection
2018-11-15 16:21:34 -05:00
java.lang.String#matches(java.lang.String) @ Use startsWith(), endsWith(), contains(), or compile and cache a Pattern explicitly
java.lang.String#replace(java.lang.CharSequence,java.lang.CharSequence) @ Use one of the appropriate methods in StringUtils instead
java.lang.String#replaceAll(java.lang.String,java.lang.String) @ Use one of the appropriate methods in StringUtils instead, or compile and cache a Pattern explicitly
java.lang.String#replaceFirst(java.lang.String,java.lang.String) @ Use String.indexOf() and substring methods, or compile and cache a Pattern explicitly
Fix misspellings in druid-forbidden-apis. (#10634) These caused certain APIs to not actually be properly forbidden. Also removed two MoreExecutors entries for methods that don't exist in our version of Guava.
2020-12-05 18:26:57 -05:00
java.nio.file.Files#createTempDirectory(java.lang.String,java.nio.file.attribute.FileAttribute[]) @ Use org.apache.druid.java.util.common.FileUtils.createTempDir()
fix build warnings for forbidden-apis (#12034) * replace deprecated forbidden-apis config failOnUnresolvableSignatures with ignoreSignaturesOfMissingClasses which avoids warnings for classes not present in a particular sub-module * fix incorrect signature for Files.createTempDirectory
2021-12-08 01:21:01 -05:00
java.nio.file.Files#createTempDirectory(java.nio.file.Path,java.lang.String,java.nio.file.attribute.FileAttribute[]) @ Use org.apache.druid.java.util.common.FileUtils.createTempDir()
Forbid easily misused HashSet and HashMap constructors (#9165) * Forbid easily misused HashSet and HashMap constructors * Add two LinkedHashMap constructors to forbidden-apis and create utility method as replacement for them * Fix visibility of constant in CollectionUtils.java * Make an exception for an instance of LinkedHashMap#<init>(int) because proper sizing is used * revert changes to sql module tests that should be in separate PR * Finish reverting changes to sql module tests that were flagged in checkstyle during CI * Add netty dependency resulting from SupressForbidden
2020-02-07 02:44:09 -05:00
java.util.HashMap#<init>(int) @ Use com.google.common.collect.Maps#newHashMapWithExpectedSize(int) instead
java.util.HashMap#<init>(int, float) @ Use com.google.common.collect.Maps#newHashMapWithExpectedSize(int) instead
java.util.LinkedHashMap#<init>(int) @ Use org.apache.druid.utils.CollectionUtils#newLinkedHashMapWithExpectedSize(int) instead
java.util.LinkedHashMap#<init>(int, float) @ Use org.apache.druid.utils.CollectionUtils#newLinkedHashMapWithExpectedSize(int) instead
java.util.HashSet#<init>(int) @ Use com.google.collect.Sets#newHashSetWithExpectedSize(int) instead
java.util.HashSet#<init>(int, float) @ Use com.google.collect.Sets#newHashSetWithExpectedSize(int) instead
java.util.LinkedHashSet#<init>(int) @ Use com.google.collect.Sets#newLinkedHashSatWithExpectedSize(int) instead
java.util.LinkedHashSet#<init>(int, float) @ Use com.google.collect.Sets#newLinkedHashSatWithExpectedSize(int) instead
Prohibit LinkedList (#6112) * Prohibit LinkedList * Fix tests * Fix * Remove unused import
2018-09-13 21:07:06 -04:00
java.util.LinkedList @ Use ArrayList or ArrayDeque instead
Prohibit jackson ObjectMapper#reader methods which are deprecated (#6386) * Prohibit jackson ObjectMapper#reader methods which are deprecated * address comments
2018-10-03 16:55:20 -04:00
java.util.Random#<init>() @ Use ThreadLocalRandom.current() or the constructor with a seed (the latter in tests only!)
Issue#6892- Replaced Math.random() with ThreadLocalRandom.current().nextDouble() (#6914) * Replacing Math.random() with ThreadLocalRandom.current().nextDouble() * Added java.lang.Math#random() in forbidden-apis.txt * Minor change in the message - druid-forbidden-apis.txt
2019-01-25 06:49:20 -05:00
java.lang.Math#random() @ Use ThreadLocalRandom.current()
Prohibit String.replace() and String.replaceAll(), fix and prohibit some toString()-related redundancies (#6607) * Prohibit String.replace() and String.replaceAll(), fix and prohibit some toString()-related redundancies * Fix bug * Replace checkstyle regexp with IntelliJ inspection
2018-11-15 16:21:34 -05:00
java.util.regex.Pattern#matches(java.lang.String,java.lang.CharSequence) @ Use String.startsWith(), endsWith(), contains(), or compile and cache a Pattern explicitly
For performance reasons, use `java.util.Base64` instead of Base64 in Apache Commons Codec and Guava (#6913) * * Add few methods about base64 into StringUtils * Use `java.util.Base64` instead of others * Add org.apache.commons.codec.binary.Base64 & com.google.common.io.BaseEncoding into druid-forbidden-apis * Rename encodeBase64String & decodeBase64String * Update druid-forbidden-apis
2019-01-25 20:32:29 -05:00
org.apache.commons.io.FileUtils#getTempDirectory() @ Use org.junit.rules.TemporaryFolder for tests instead
Fix misspellings in druid-forbidden-apis. (#10634) These caused certain APIs to not actually be properly forbidden. Also removed two MoreExecutors entries for methods that don't exist in our version of Guava.
2020-12-05 18:26:57 -05:00
org.apache.commons.io.FileUtils#deleteDirectory(java.io.File) @ Use org.apache.druid.java.util.common.FileUtils#deleteDirectory()
Migrate File.mkdirs to FileUtils.mkdirp. (#11879) * Migrate File.mkdirs to FileUtils.mkdirp. * Remove unused imports. * Fix LookupReferencesManager. * Simplify. * Also migrate usages of forceMkdir. * Fix var name. * Fix incorrect call. * Update test.
2021-11-09 14:10:49 -05:00
org.apache.commons.io.FileUtils#forceMkdir(java.io.File) @ Use org.apache.druid.java.util.common.FileUtils.mkdirp instead
add Class.getCanonicalName to forbidden-apis (#8086) * add checkstyle to forbid unecessary use of Class.getCanonicalName * use forbiddin-api instead of checkstyle * add space
2019-07-16 18:21:50 -04:00
java.lang.Class#getCanonicalName() @ Class.getCanonicalName can return null for anonymous types, use Class.getName instead.
For performance reasons, use `java.util.Base64` instead of Base64 in Apache Commons Codec and Guava (#6913) * * Add few methods about base64 into StringUtils * Use `java.util.Base64` instead of others * Add org.apache.commons.codec.binary.Base64 & com.google.common.io.BaseEncoding into druid-forbidden-apis * Rename encodeBase64String & decodeBase64String * Update druid-forbidden-apis
2019-01-25 20:32:29 -05:00
Locale problem is fixed which fails tests. (#7120) * Locale problem is fixed which fails tests. * Forbidden apis definition is improved to prevent using com.ibm.icu.text.SimpleDateFormat and com.ibm.icu.text.DateFormatSymbols without using any Locale defined. * Error message is improved.
2019-03-13 17:47:14 -04:00
@defaultMessage Use Locale.ENGLISH
com.ibm.icu.text.DateFormatSymbols#<init>()
com.ibm.icu.text.SimpleDateFormat#<init>()
com.ibm.icu.text.SimpleDateFormat#<init>(java.lang.String)
For performance reasons, use `java.util.Base64` instead of Base64 in Apache Commons Codec and Guava (#6913) * * Add few methods about base64 into StringUtils * Use `java.util.Base64` instead of others * Add org.apache.commons.codec.binary.Base64 & com.google.common.io.BaseEncoding into druid-forbidden-apis * Rename encodeBase64String & decodeBase64String * Update druid-forbidden-apis
2019-01-25 20:32:29 -05:00
@defaultMessage For performance reasons, use the utf8Base64 / encodeBase64 / encodeBase64String / decodeBase64 / decodeBase64String methods in StringUtils
org.apache.commons.codec.binary.Base64
Fix misspellings in druid-forbidden-apis. (#10634) These caused certain APIs to not actually be properly forbidden. Also removed two MoreExecutors entries for methods that don't exist in our version of Guava.
2020-12-05 18:26:57 -05:00
com.google.common.io.BaseEncoding#base64()
Use only com.google.errorprone.annotations.concurrent.GuardedBy, not javax.annotations.concurrent.GuardedBy (#7889)
2019-06-17 09:58:51 -04:00
@defaultMessage Use com.google.errorprone.annotations.concurrent.GuardedBy
Fix misspellings in druid-forbidden-apis. (#10634) These caused certain APIs to not actually be properly forbidden. Also removed two MoreExecutors entries for methods that don't exist in our version of Guava.
2020-12-05 18:26:57 -05:00
javax.annotation.concurrent.GuardedBy
Add FileUtils.createTempDir() and enforce its usage. (#8932) * Add FileUtils.createTempDir() and enforce its usage. The purpose of this is to improve error messages. Previously, the error message on a nonexistent or unwritable temp directory would be "Failed to create directory within 10,000 attempts". * Further updates. * Another update. * Remove commons-io from benchmark. * Fix tests.
2019-11-22 22:48:49 -05:00
com.amazonaws.annotation.GuardedBy
Replace use of PowerMock with Mockito (#12282) Mockito now supports all our needs and plays much better with recent Java versions. Migrating to Mockito also simplifies running the kind of tests that required PowerMock in the past. * replace all uses of powermock with mockito-inline * upgrade mockito to 4.3.1 and fix use of deprecated methods * import mockito bom to align all our mockito dependencies * add powermock to forbidden-apis to avoid accidentally reintroducing it in the future
2022-02-28 01:47:09 -05:00
org.powermock.** @ Use Mockito instead of Powermock for compatibility with newer Java versions