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 Object

The context of a function invocation.

Author:

bratseth

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
String	getBinding(String name)	Returns the resolution of an identifier, or null if it isn't defined in this context
ExpressionFunction	getFunction(String name)	Returns a function or null if it isn't defined in this context
protected Map<String,ExpressionFunction>	getFunctions()
FunctionReferenceContext	withBindings(Map<String,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 Details

FunctionReferenceContext

public FunctionReferenceContext()

Create a context for a single serialization task

FunctionReferenceContext

public FunctionReferenceContext(Collection<ExpressionFunction> functions)

Create a context for a single serialization task

FunctionReferenceContext

public FunctionReferenceContext(Collection<ExpressionFunction> functions,
 Map<String,String> bindings)

FunctionReferenceContext

public FunctionReferenceContext(Map<String,ExpressionFunction> functions)

Create a context for a single serialization task

FunctionReferenceContext

public FunctionReferenceContext(Map<String,ExpressionFunction> functions,
 Map<String,String> bindings)

Create a context for a single serialization task

Method Details

getFunction

public ExpressionFunction getFunction(String name)

Returns a function or null if it isn't defined in this context

getFunctions

protected Map<String,ExpressionFunction> getFunctions()

getBinding

public String getBinding(String name)

Returns the resolution of an identifier, or null if it isn't defined in this context

withBindings

public FunctionReferenceContext withBindings(Map<String,String> bindings)

Returns a new context with the bindings replaced by the given bindings

withoutBindings

public FunctionReferenceContext withoutBindings()

Returns a fresh context without bindings