Ryan Ernst d36ec18029 Plugins: Add plugin extension capabilities (#27881) ... This commit adds the infrastructure to plugin building and loading to allow one plugin to extend another. That is, one plugin may extend another by the "parent" plugin allowing itself to be extended through java SPI. When all plugins extending a plugin are finished loading, the "parent" plugin has a callback (through the ExtensiblePlugin interface) allowing it to reload SPI. This commit also adds an example plugin which uses as-yet implemented extensibility (adding to the painless whitelist).		2018-01-03 11:12:43 -08:00
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src/test/java/org/elasticsearch/backwards	Cherry pick tests and seqNo recovery hardning from #27580	2017-12-04 13:15:40 +01:00
build.gradle	Plugins: Add plugin extension capabilities (#27881)	2018-01-03 11:12:43 -08:00