Package com.yahoo.searchlib.rankingexpression.rule

Class FunctionReferenceContext

  • Direct Known Subclasses:
    SerializationContext
    public class FunctionReferenceContext
extends java.lang.Object
    The context of a function invocation.
    Author:
    bratseth

    • Field Summary

      Fields 
      Modifier and Type Field Description
      java.util.Map<java.lang.String,​java.lang.String> bindings
      Mapping from argument names to the expressions they resolve to

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected com.google.common.collect.ImmutableMap<java.lang.String,​ExpressionFunction> functions()  
      java.lang.String getBinding​(java.lang.String name)
      Returns the resolution of an argument, or null if it isn't defined in this context
      ExpressionFunction getFunction​(java.lang.String name)
      Returns a function or null if it isn't defined in this context
      FunctionReferenceContext withBindings​(java.util.Map<java.lang.String,​java.lang.String> bindings)
      Returns a new context with the bindings replaced by the given bindings

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • bindings

        public final java.util.Map<java.lang.String,​java.lang.String> bindings
        Mapping from argument names to the expressions they resolve to

    • Constructor Detail

      • FunctionReferenceContext

        public FunctionReferenceContext()
        Create a context for a single serialization task

      • FunctionReferenceContext

        public FunctionReferenceContext​(java.util.Collection<ExpressionFunction> functions)
        Create a context for a single serialization task

      • FunctionReferenceContext

        public FunctionReferenceContext​(java.util.Collection<ExpressionFunction> functions,
                                java.util.Map<java.lang.String,​java.lang.String> bindings)

      • FunctionReferenceContext

        public FunctionReferenceContext​(java.util.Map<java.lang.String,​ExpressionFunction> functions)
        Create a context for a single serialization task

      • FunctionReferenceContext

        public FunctionReferenceContext​(java.util.Map<java.lang.String,​ExpressionFunction> functions,
                                java.util.Map<java.lang.String,​java.lang.String> bindings)
        Create a context for a single serialization task

    • Method Detail

      • getFunction

        public ExpressionFunction getFunction​(java.lang.String name)
        Returns a function or null if it isn't defined in this context

      • functions

        protected final com.google.common.collect.ImmutableMap<java.lang.String,​ExpressionFunction> functions()

      • getBinding

        public java.lang.String getBinding​(java.lang.String name)
        Returns the resolution of an argument, or null if it isn't defined in this context

      • withBindings

        public FunctionReferenceContext withBindings​(java.util.Map<java.lang.String,​java.lang.String> bindings)
        Returns a new context with the bindings replaced by the given bindings