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rucaja
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Calling the JVM from Rust via JNI
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rucaja
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# Rucaja (Rust calls Java) [](https://travis-ci.org/kud1ing/rucaja) Calling JVM code from Rust via JNI. ## Usage JNI calls are about 10-20 times slower than regular JVM instructions. It is adviced to call as few functions as possible that do as much work as possible. Creating a flat Java wrapper class and producing a fat JAR with all the dependencies also reduces the amount of Rust interface code. A more complete example is [kud1ing/tinkerpop-rs](https://github.com/kud1ing/tinkerpop-rs) which uses Rucaja to call [Apache TinkerPop](https://tinkerpop.apache.org). ## Platforms The code is tested on Linux and macOS. Your platform might need adjustments in `build.rs`. ### Mac Trying to run may give: dyld: Library not loaded: @rpath/libjvm.dylib Referenced from: ./target/debug/rucaja Reason: image not found Abort trap: 6 this might require something like: sudo ln -s $(/usr/libexec/java_home)/jre/lib/server/libjvm.dylib /usr/local/lib ## License Licensed under either of * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or http://www.apache.org/licenses/LICENSE-2.0) * MIT license ([LICENSE-MIT](LICENSE-MIT) or http://opensource.org/licenses/MIT) at your option.
