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MIGRATION.md

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Migration between StreamEx releases

This document describes StreamEx changes which may break the backwards compatibility. For full list of changes see CHANGES.md.

0.8.0

Issue#244: To align with Java 16 Stream.toList specification, we no more guarantee that the results of AbstractStreamEx.toList and AbstractStreamEx.toSet are mutable. They are still mutable by default but this will change in future release. You can switch their implementation to immutable, using temporary system property -Dstreamex.default.immutable=true and test how your code behaves. If you actually need mutability, use new methods AbstractStreamEx.toMutableList and AbstractStreamEx.toMutableSet.

0.7.3

Issue#219: Now many collectors defined in MoreCollectors may throw NullPointerException more eagerly, before the collector is used. Also, MoreCollectors.last now throws NullPointerException if the last element is null (this makes it conformant to MoreCollectors.first).

0.7.0

Issue#194: Method skipOrdered is removed, which may break source and binary compatibility if in was used. Use simply skip instead. PR#200: Overloads added to EntryStream.allMatch/anyMatch/noneMatch which accept a BiPredicate. Such overloads may cause source incompatibility in rare case when a method reference was used which is either bound to var-arg method or has several overloads. E.g. assuming boolean allNull(Object... objects) now EntryStream.of(...).allMatch(Utils::allNull) won't compile anymore. To work-around this issue use a lambda instead of method reference.

0.6.0

Issue#67: Now StreamEx.withFirst() as well as StreamEx.withFirst(BinaryOperator) include (first, first) pair. If you used these operations in StreamEx 0.5.3-0.5.5, you should update the existing code: replace .withFirst() with .withFirst().skip(1).

0.5.5

Issue#41: As StreamEx.without(T...) was added, the existing code may become ambiguous now. If you've used .without(null) before, replace it with dedicated .nonNull() operation.

Issue#63: DoubleStreamEx.reverseSorted() may change the order of non-canonical NaN values (actually sorting them).

0.5.3

Issue#52: StreamEx.append(T...) and prepend(T...) are final now, so if you extend StreamEx class, you cannot override them anymore.

0.5.0

Issue#8: The package javax.util.streamex is renamed to one.util.streamex. The OSGi bundle name and Maven groupId are changed correspondingly. To migrate to StreamEx 0.5.0 you should:

  • Replace every occurrence of javax.util.streamex to one.util.streamex in your Java files and OSGi manifests.
  • Replace io.github.amaembo groupID with one.util in your build files (pom.xml, ivy.xml, build.gradle, etc.)