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Properties cleanup.
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Soby Chacko
2020-06-04 15:55:14 -04:00
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functions/function/filter-function/README.adoc Normal file
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# Filter Function
This module provides a filter function that can be reused and composed in other applications.
## Beans for injection
You can import the `FilterFunctionConfiguration` in a Spring Boot application and then inject the following bean.
`filterFunction`
You can use `filterFunction` as a qualifier when injecting.
Once injected, you can use the `apply` method of the `Function` to invoke it and get the result.
## Configuration Options
The filter function makes uses of link:../spel-function/README.adoc[SpEL function].
For more information on the various options available, please see link:../spel-function/src/main/java/org/springframework/cloud/fn/spel/SpelFunctionProperties.java[SpelFunctionProperties.java]
## Tests
See this link:src/test/java/org/springframework/cloud/fn/filter/FilterFunctionApplicationTests.java[test suite] for examples of how this function is used.
## Other usage
See this link:../../../applications/processor/filter-processor/README.adoc[README] where this function is used to create a Spring Cloud Stream application.