Release Notes -- Apache Jackrabbit Oak -- Version 0.4 Introduction ------------ Jackrabbit Oak is an effort to implement a scalable and performant hierarchical content repository for use as the foundation of modern world-class web sites and other demanding content applications. The Oak effort is a part of the Apache Jackrabbit project. Apache Jackrabbit is a project of the Apache Software Foundation. Jackrabbit Oak 0.4 is to be considered alpha-level software. Use at your own risk with no stability or compatibility guarantees. Changes in Oak 0.4 ------------------ New Features [OAK-182] - Support for "invisible" internal content [OAK-193] - TODO class for partially implemented features [OAK-227] - MicroKernel API: add depth parameter to diff method Improvements [OAK-153] - Split the CommitHook interface [OAK-156] - Observation events need Session.refresh [OAK-158] - Specify fixed memory settings for unit and integration tests [OAK-161] - Refactor Tree#getChildStatus [OAK-163] - Move the JCR TCK back to the integrationTesting profile [OAK-164] - Replace Tree.remove(String) with Tree.remove() [OAK-165] - NodeDelegate should not use Tree.getChild() but rather Root.getTree() [OAK-166] - Add Tree.isRoot() method instead of relying on Tree.getParent() == null [OAK-171] - Add NodeState.compareAgainstBaseState() [OAK-172] - Optimize KernelNodeState equality checks [OAK-174] - Refactor RootImpl and TreeImpl to take advantage of the child node state builder introduced with OAK-170 [OAK-176] - Reduce CoreValueFactoryImpl footprint [OAK-183] - Remove duplicate fields from NodeImpl and PropertyImpl which are already in the ItemImpl super class [OAK-184] - Allow PropertyState.getValues() to work on single-valued properties [OAK-186] - Avoid unnecessary rebase operations [OAK-192] - Define behavior of Tree#getParent() if the parent is not accessible [OAK-194] - Define behavior of Tree#getProperty(String) in case of lack of access [OAK-195] - State that Tree#hasProperty returns false of the property is not accessible [OAK-196] - Make Root interface permission aware [OAK-198] - Refactor RootImpl#merge [OAK-199] - KernelNodeStore defines 2 access methods for the CommitEditor [OAK-200] - Replace Commons Collections with Guava [OAK-232] - Hardcoded "childOrder" in NodeDelegate Bug fixes [OAK-155] - Query: limited support for the deprecated JCR 1.0 query language Query.SQL [OAK-173] - MicroKernel filter syntax is not proper JSON [OAK-177] - Too fast timeout in MicroKernelIT.waitForCommit [OAK-179] - Tests should not fail if there is a jcr:system node [OAK-185] - Trying to remove a missing property throws PathNotFoundException [OAK-187] - ConcurrentModificationException during gc run [OAK-188] - Invalid JSOP encoding in CommitBuilder and KernelNodeStoreBranch [OAK-207] - TreeImpl#getStatus() never returns REMOVED [OAK-208] - RootImplFuzzIT test failures [OAK-209] - BlobStore: use SHA-256 instead of SHA-1, and use two directory levels for FileBlobStore [OAK-211] - CompositeEditor should keep the base node state stable [OAK-213] - Misleading exception message in NodeImpl#getParent [OAK-215] - Make definition of ItemDelegate#getParent permission aware [OAK-219] - SessionDelegate#getRoot throws IllegalStateException if the root node is not accessible [OAK-224] - Allow the ContentRepositoryImpl to receive a CommitEditor in the constructor Changes in Oak 0.3 ------------------ New Features [OAK-9] - Internal tree builder [OAK-12] - Implement a test suite for the MicroKernel [OAK-33] - Values in oak-core [OAK-45] - Add support for branching and merging of private copies to MicroKernel [OAK-68] - Extension point for commit validation [OAK-75] - specify format and semantics of 'filter' parameter in MicroKernel API [OAK-100] - Proper CommitHook handling in NodeStore [OAK-119] - Oak performance benchmark [OAK-133] - Session.refresh(true) should allow for manual conflict reconciliation Improvements [OAK-15] - Clean up oak-jcr [OAK-19] - Consolidate JSON utilities [OAK-32] - Drop MicroKernel.dispose() [OAK-40] - Define session-info like user identification for communication with oak-api [OAK-54] - IOUtils.readVarInt and readVarLong can result in an endless loop on EOF [OAK-65] - Naming of NodeState and related classes [OAK-80] - Implement batched writing for KernelNodeStore [OAK-84] - Delegates for Session, Node, Property and Item [OAK-86] - Make setProperty methods of NodeStateBuilder and Tree return the affected property [OAK-87] - Declarative services and OSGi configuration [OAK-89] - Improve exception handling [OAK-92] - Remove org.apache.jackrabbit.mk.HelloWorld [OAK-96] - PathUtils should use assertions to enable validation instead of system property [OAK-97] - Implement Item.toString() for logging and debugging purposes [OAK-102] - Expose the branch feature from NodeStore [OAK-106] - Use NodeStateBuilder instances to record changes in TreeImpl [OAK-109] - Efficient diffing against the base node state [OAK-112] - Refactor ModifiedNodeState and related classes to use type safe iterator utilities [OAK-113] - drop MicroKernel getNodes(String, String) convenience signature [OAK-115] - ItemDelegate and sub classes should throw IllegalItemStateException on stale items [OAK-116] - MicroKernel API: clarify semantics of getNodes depth, offset and count parameters [OAK-120] - MicroKernel API: specific retention policy of binaries [OAK-122] - Performance test suite [OAK-126] - remove unused code [OAK-138] - Move client/server package in oak-mk to separate project [OAK-145] - Set up Travis CI builds [OAK-142] - MicroKernel API: returning the :hash property should be optional [OAK-143] - Refactor conflict reconciliation from OAK-133: move inner classes to o.a.j.oak.plugins.value [OAK-148] - Drop feature checks from WorkspaceImpl [OAK-149] - Automatic session refresh after namespace registry changes [OAK-151] - Merge oak-it-jcr to oak-jcr [OAK-159] - Do not use in memory Microkernel for TCK Bug fixes [OAK-16] - Proper ValueFactory implementation and Value handling [OAK-43] - Incomplete journal when move and copy operations are involved [OAK-47] - Wrong results and NPE with copy operation [OAK-49] - Session.getRepository() should return the object through which the Session was acquired [OAK-55] - Provide reasonable way to set property on NodeStateEditor [OAK-58] - connection leak in h2 persistence [OAK-60] - occasional test case failure DbBlobStoreTest#testGarbageCollection [OAK-73] - JsopReader and JsopWriter lack javadocs [OAK-79] - Copy operation misses some child nodes [OAK-83] - Copy operation would recurse indefinitely if memory permitted [OAK-85] - NPE and wrong result on copy operation [OAK-93] - Tree has wrong parent after move [OAK-94] - oak-it/osgi fails due to required packages not being exported [OAK-95] - path mapping needs to deal with relative paths [OAK-99] - reading binary content fails for certain types of content [OAK-105] - Workspace move operation should not do sanity checks in the scope of the current session [OAK-110] - NPE in KernelNodeStoreBranch.diffToJsop [OAK-121] - Occasional test failure in MicroKernelIT.testBlobs: java.net.SocketException: Broken pipe [OAK-130] - Unexpected result of MicroKernel#getJournal after MicroKernel#merge [OAK-131] - Session.save() silently discards pending changes [OAK-134] - Session.save() should do an implicit refresh(true) [OAK-135] - Better support for RangeIterators [OAK-139] - Remove JsonBuilder [OAK-146] - Wrong value passed to before parameter of CommitHook.afterCommit in KernelNodeStore.merge [OAK-147] - Incorrect Comparator in CommitBuilder.persistStagedNodes Changes in Oak 0.2.1 ------------------ New features [OAK-59] - Implement Session.move [OAK-63] - Implement workspace copy and move Improvements [OAK-29] - Simplify SessionContext [OAK-30] - Strongly typed wrapper for the MicroKernel [OAK-31] - In-memory MicroKernel for testing [OAK-44] - Release managements tweaks [OAK-46] - Efficient diffing of large child node lists [OAK-48] - MicroKernel.getNodes() should return null for not existing nodes instead of throwing an exception [OAK-52] - Create smoke-test build profile [OAK-53] - exclude longer running tests in the default maven profile [OAK-67] - Initial OSGi Bundle Setup [OAK-70] - MicroKernelInputStream test and optimization [OAK-71] - Logging dependencies [OAK-81] - Remove offset and count parameters from NodeState.getChildNodeEntries() Bug fixes [OAK-20] - Remove usages of MK API from oak-jcr [OAK-62] - ConnectionImpl should not acquire Microkernel instance [OAK-69] - oak-run fails with NPE [OAK-78] - waitForCommit() test failure for MK remoting [OAK-82] - Running MicroKernelIT test with the InMem persistence creates a lot of GC threads Changes in Oak 0.1 ------------------ New features [OAK-3] - Internal tree model [OAK-4] - Runnable jar packaging [OAK-5] - JCR bindings for Oak [OAK-6] - Setup integration tests and TCK tests [OAK-7] - In-memory persistence Improvements [OAK-1] - Setup basic build structure [OAK-2] - Use Java 6 as base platform [OAK-8] - Make return types of NodeState#getProperties() and NodeState#getChildNodeEntries() covariant [OAK-10] - Impedance mismatch between signatures of NodeState#getChildeNodeEntries and MicroKernel#getNodes [OAK-24] - Separate component for the microkernel [OAK-25] - Factor repository descriptors into separate class [OAK-26] - MVCC causes write skew [OAK-42] - Prepare for first release Bug fixes [OAK-27] - Remove Authenticator and CredentialsInfo in oak-jcr [OAK-38] - KernelNodeState should handle multi valued properties [OAK-39] - KernelNodeState does not handle boolean values correctly For more detailed information about all the changes in this and other Oak releases, please see the Oak issue tracker at https://issues.apache.org/jira/browse/OAK Release Contents ---------------- This release consists of a single source archive packaged as a zip file. The archive can be unpacked with the jar tool from your JDK installation. See the README.md file for instructions on how to build this release. The source archive is accompanied by SHA1 and MD5 checksums and a PGP signature that you can use to verify the authenticity of your download. The public key used for the PGP signature can be found at https://svn.apache.org/repos/asf/jackrabbit/dist/KEYS. About Apache Jackrabbit Oak --------------------------- Oak is an effort implement a scalable and performant hierarchical content repository for use as the foundation of modern world-class web sites and other demanding content applications. The Oak effort is a part of the Apache Jackrabbit project. Apache Jackrabbit is a project of the Apache Software Foundation. For more information, visit http://jackrabbit.apache.org/oak About The Apache Software Foundation ------------------------------------ Established in 1999, The Apache Software Foundation provides organizational, legal, and financial support for more than 100 freely-available, collaboratively-developed Open Source projects. The pragmatic Apache License enables individual and commercial users to easily deploy Apache software; the Foundation's intellectual property framework limits the legal exposure of its 2,500+ contributors. For more information, visit http://www.apache.org/