uk.ac.ic.doc.automed.qproc.cache
Interface ICacheManager

public interface ICacheManager

ICacheManager.java

Version:

1.0 Department of Computing, Imperial College

Author:

Duc M Le dmle@doc.ic.ac.uk

Method Summary

ASG	executeCQP(ASG q, CacheUser cuser, Schema s, Schema[] targetSchemas, java.lang.String context, QueryProcessorConfiguration qpc) Execute the cache-driven query processing logic.
IQueryCache	getQueryCache(java.lang.String peerName, java.lang.String schemaName)
java.lang.String	getSchemaName(java.lang.String schemaName)

Method Detail

getQueryCache

IQueryCache getQueryCache(java.lang.String peerName,
                          java.lang.String schemaName)
                          throws CacheException

Throws:

CacheException

getSchemaName

java.lang.String getSchemaName(java.lang.String schemaName)

executeCQP

ASG executeCQP(ASG q,
               CacheUser cuser,
               Schema s,
               Schema[] targetSchemas,
               java.lang.String context,
               QueryProcessorConfiguration qpc)
               throws DataSourceException,
                      NotFoundException

Execute the cache-driven query processing logic.

Parameters:

q - An IQL query held in an ASG which complies with the limitations of what this wrapper is able to process

cuser - a CacheUser class which is used to get data from source

s - the AutoMed schema against which a query is being asked

s - the target schema schemas linked to the query schema (can be set to null)

context - specifies the current application context (see CachePolicy class for a list of contexts)

qpc - A definition of query processing options that should be used when executing this query. See QueryProcessorConfiguration for options that may be set.

Returns:

An ASG containing the results of the query

Throws:

DataSourceException

NotFoundException