Package com.yahoo.searchlib.rankingexpression.rule

Class FunctionReferenceContext

java.lang.Object

com.yahoo.searchlib.rankingexpression.rule.FunctionReferenceContext

Direct Known Subclasses:

SerializationContext

public class FunctionReferenceContext
extends java.lang.Object

The context of a function invocation.

Author:

bratseth

Constructor Summary

Constructors

Constructor	Description
FunctionReferenceContext()	Create a context for a single serialization task
FunctionReferenceContext(java.util.Collection<ExpressionFunction> functions)	Create a context for a single serialization task
FunctionReferenceContext(java.util.Collection<ExpressionFunction> functions, java.util.Map<java.lang.String,java.lang.String> bindings)
FunctionReferenceContext(java.util.Map<java.lang.String,ExpressionFunction> functions)	Create a context for a single serialization task
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 Summary

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 identifier, 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
FunctionReferenceContext	withoutBindings()	Returns a fresh context without bindings

Methods inherited from class java.lang.Object

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

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 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 identifier, 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

withoutBindings

public FunctionReferenceContext withoutBindings()

Returns a fresh context without bindings