polyglot.types
Class CachingResolver

java.lang.Object
  polyglot.types.CachingResolver

All Implemented Interfaces:

java.lang.Cloneable, Resolver, Copy

Direct Known Subclasses:

SystemResolver

public class CachingResolver
extends java.lang.Object
implements Resolver, Copy

A CachingResolver memoizes another Resolver

Field Summary

protected Resolver

inner

Constructor Summary

CachingResolver(Resolver inner)

CachingResolver(Resolver inner, boolean cacheNotFound)
Create a caching resolver.

Method Summary

void	addNamed(java.lang.String name, Named q) Install a qualifier in the cache.
protected java.util.Collection	cachedObjects()
Named	check(java.lang.String name) Check if a type object is in the cache, returning null if not.
java.lang.Object	copy()
void	dump()
Named	find(java.lang.String name) Find a type object by name.
Resolver	inner() The resolver whose results this resolver caches.
void	install(java.lang.String name, Named q) Install a qualifier in the cache.
protected boolean	shouldReport(int level)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

inner

protected Resolver inner

Constructor Detail

CachingResolver

public CachingResolver(Resolver inner,
                       boolean cacheNotFound)

Create a caching resolver.

Parameters:

inner - The resolver whose results this resolver caches.

CachingResolver

public CachingResolver(Resolver inner)

Method Detail

shouldReport

protected boolean shouldReport(int level)

copy

public java.lang.Object copy()

Specified by:

copy in interface Copy

inner

public Resolver inner()

The resolver whose results this resolver caches.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

cachedObjects

protected java.util.Collection cachedObjects()

find

public Named find(java.lang.String name)
           throws SemanticException

Find a type object by name.

Specified by:

find in interface Resolver

Parameters:

name - The name to search for.

Throws:

SemanticException

check

public Named check(java.lang.String name)

Check if a type object is in the cache, returning null if not.

Parameters:

name - The name to search for.

install

public void install(java.lang.String name,
                    Named q)

Install a qualifier in the cache.

Parameters:

name - The name of the qualifier to insert.

q - The qualifier to insert.

addNamed

public void addNamed(java.lang.String name,
                     Named q)
              throws SemanticException

Install a qualifier in the cache.

Parameters:

name - The name of the qualifier to insert.

q - The qualifier to insert.

Throws:

SemanticException

dump

public void dump()