com.trendmicro.grid.acl.ds.jpa.util
Class FileQueryConfigurator<T>

java.lang.Object
  com.trendmicro.grid.acl.ds.jpa.util.FileQueryConfigurator<T>

Type Parameters:

T - The type of the expected result.

public class FileQueryConfigurator<T>
extends Object

Is a helper class that configures and caches queries that fetch results by FileIdentifier.

Note: Instanes of this class are meant to be short lived for the time of a single transaction.

Constructor Summary

FileQueryConfigurator(javax.persistence.EntityManager em, Class<T> resultType, String queryBaseName)
Creates a new configurator.

FileQueryConfigurator(javax.persistence.EntityManager em, Class<T> resultType, String md5QueryName, String sha1QueryName, String fullQueryName)
Creates a new configurator.

Method Summary

javax.persistence.TypedQuery<T>	getQuery(com.trendmicro.grid.acl.l0.datatypes.FileIdentifier file) Returns the configured query.
javax.persistence.Query	getUntypedQuery(com.trendmicro.grid.acl.l0.datatypes.FileIdentifier file) Returns the configured query.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileQueryConfigurator

public FileQueryConfigurator(javax.persistence.EntityManager em,
                             Class<T> resultType,
                             String queryBaseName)

Creates a new configurator.

Parameters:

em - the entitymanager to use for retrieving the queries.

resultType - the result type of the queries.

queryBaseName - the common base name for both queries.

FileQueryConfigurator

public FileQueryConfigurator(javax.persistence.EntityManager em,
                             Class<T> resultType,
                             String md5QueryName,
                             String sha1QueryName,
                             String fullQueryName)

Creates a new configurator.

Parameters:

em - the entitymanager to use for retrieving the queries.

resultType - the result type of the queries.

sha1QueryName - the name of the named sha1-only query

fullQueryName - the name of the named sha1+md5 query.

Method Detail

getQuery

public javax.persistence.TypedQuery<T> getQuery(com.trendmicro.grid.acl.l0.datatypes.FileIdentifier file)

Returns the configured query.

Parameters:

file - the identifier specifying the file to ask for.

Returns:

the configured query.

getUntypedQuery

public javax.persistence.Query getUntypedQuery(com.trendmicro.grid.acl.l0.datatypes.FileIdentifier file)

Returns the configured query.

Parameters:

file - the identifier specifying the file to ask for.

Returns:

the configured query.