Package org.apache.nifi.attribute.expression.language
package org.apache.nifi.attribute.expression.language
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ClassDescriptionAn implementation of PreparedQuery that throws an
AttributeExpressionLanguageExceptionwhen attempting to evaluate the query.Delegating implementation of Evaluation Context that blocks access to Parameter ValuesClass used for creating and evaluating NiFi Expression Language.A convenience class to encapsulate the logic of variable substitution based first on any additional variable maps, then flow file properties, then flow file attributes, and finally the provided system and env variable registry.