eu.dnetlib.enabling.tools

Class SplittedQueryExecutor

java.lang.Object

eu.dnetlib.enabling.tools.SplittedQueryExecutor

public class SplittedQueryExecutor
extends Object

Utility class which interacts with a lookup, performs a query and fills a java domain object splitting the result into constructor arguments.

Author:

marko

Constructor Summary

Constructors

Constructor and Description
SplittedQueryExecutor() default constructor.
SplittedQueryExecutor(UniqueServiceLocator serviceLocator) Commodity constructor for constructor injection.

Method Summary

Modifier and Type	Method and Description
UniqueServiceLocator	getServiceLocator()
<X> Iterable<X>	mutableQuery(Class<X> clazz, String query) Like query(Class, String), but returns a container which can be modified.
<X> Iterable<X>	mutableQuery(Class<X> clazz, String query, String separator) Like query(Class, String, String), but returns a container which can be modified.
Iterable<Map<String,String>>	mutableQuery(String query, String... keys) Like query(String, String..) but returns a container that whose values can be modified.
List<String>	performQuery(String query)
<X> Iterable<X>	query(Class<X> clazz, String query) Performs the query, splits the result at ":-:".
<X> Iterable<X>	query(Class<X> clazz, String query, String separator) Performs the query, splits the result at separator
Iterable<Map<String,String>>	query(String query, String... keys) Return a list of maps of splitted query results
String	queryFirst(String query) Fetch only one string result.
void	setServiceLocator(UniqueServiceLocator serviceLocator)

Methods inherited from class java.lang.Object

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

Constructor Detail

SplittedQueryExecutor

public SplittedQueryExecutor()

default constructor. lookupLocator has to be injected.

SplittedQueryExecutor

public SplittedQueryExecutor(UniqueServiceLocator serviceLocator)

Commodity constructor for constructor injection.

Parameters:

lookupLocator - lookup locator

Method Detail

query

public <X> Iterable<X> query(Class<X> clazz,
                             String query)

Performs the query, splits the result at ":-:".

Type Parameters:

X - domain class type

Parameters:

clazz - domain class

query - xquery

Returns:

iterable of domain class instances

query

public <X> Iterable<X> query(Class<X> clazz,
                             String query,
                             String separator)

Performs the query, splits the result at separator

Type Parameters:

X - domain class type

Parameters:

clazz - domain class

query - xquery

separator - split separator

Returns:

iterable of domain class instances

query

public Iterable<Map<String,String>> query(String query,
                                          String... keys)

Return a list of maps of splitted query results

Parameters:

query - xquery

keys - list of keys

Returns:

collection of key/value pairs

mutableQuery

public Iterable<Map<String,String>> mutableQuery(String query,
                                                 String... keys)

Like query(String, String..) but returns a container that whose values can be modified.

Parameters:

query - xquery

keys - list of keys

Returns:

mutable collection of key/value pairs

mutableQuery

public <X> Iterable<X> mutableQuery(Class<X> clazz,
                                    String query)

Like query(Class, String), but returns a container which can be modified.

Type Parameters:

X - some domain class

Parameters:

clazz - domain class

query - xquery

Returns:

mutable collection of X

mutableQuery

public <X> Iterable<X> mutableQuery(Class<X> clazz,
                                    String query,
                                    String separator)

Like query(Class, String, String), but returns a container which can be modified.

Type Parameters:

X - some domain class

Parameters:

clazz - domain class

query - xquery

separator - separator

Returns:

mutable collection of X

performQuery

public List<String> performQuery(String query)

queryFirst

public String queryFirst(String query)

Fetch only one string result.

Parameters:

query -

Returns:

null if no such result

getServiceLocator

public UniqueServiceLocator getServiceLocator()

setServiceLocator

public void setServiceLocator(UniqueServiceLocator serviceLocator)