Predicates

Camel supports a pluggable interface called Predicate which can be used to integrate a dynamic predicate into Enterprise Integration Patterns such as when using the Message Filter.

Camel supports extensible Predicates using multiple Languages; the following languages are supported out of the box

You can easily write your own plugin predicate by implementing the Predicate interface.

There are also a number of helper builders available such as the PredicateBuilder class

Using Predicates in your IDE

To use different expression and predicates in your IDE you need to perform a static import of the builder class for the language(s) you wish to use.

Language(s) Builder class to import
Scripting Languages such as BeanShell, JavaScript, Groovy, PHP, Python and Ruby org.apache.camel.builder.script.ScriptBuilder
SQL org.apache.camel.builder.josql.SqlBuilder
XPath org.apache.camel.builder.xml.XPathBuilder
XQuery org.apache.camel.builder.saxon.XQueryBuilder
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