org.hibernate.envers.tools.query
Class QueryBuilder
java.lang.Object
org.hibernate.envers.tools.query.QueryBuilder
public class QueryBuilder
- extends Object
A class for incrementaly building a HQL query.
- Author:
- Adam Warski (adam at warski dot org)
Method Summary |
void |
addFrom(String entityName,
String alias)
Add an entity from which to select. |
void |
addOrder(String propertyName,
boolean ascending)
|
void |
addProjection(String function,
String propertyName,
boolean distinct)
|
void |
addProjection(String function,
String propertyName,
boolean distinct,
boolean addAlias)
|
void |
build(StringBuilder sb,
Map<String,Object> queryParamValues)
Builds the given query, appending results to the given string buffer, and adding all query parameter values
that are used to the map provided. |
Parameters |
getRootParameters()
|
QueryBuilder |
newSubQueryBuilder()
|
QueryBuilder |
newSubQueryBuilder(String entityName,
String alias)
|
Query |
toQuery(Session session)
|
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
QueryBuilder
public QueryBuilder(String entityName,
String alias)
- Parameters:
entityName
- Main entity which should be selected.alias
- Alias of the entity
addFrom
public void addFrom(String entityName,
String alias)
- Add an entity from which to select.
- Parameters:
entityName
- Name of the entity from which to select.alias
- Alias of the entity. Should be different than all other aliases.
newSubQueryBuilder
public QueryBuilder newSubQueryBuilder()
- Returns:
- A sub-query builder for the same entity (with an auto-generated alias). The sub-query can
be later used as a value of a parameter.
newSubQueryBuilder
public QueryBuilder newSubQueryBuilder(String entityName,
String alias)
- Parameters:
entityName
- Entity name, which will be the main entity for the sub-query.alias
- Alias of the entity, which can later be used in parameters.
- Returns:
- A sub-query builder for the given entity, with the given alias. The sub-query can
be later used as a value of a parameter.
getRootParameters
public Parameters getRootParameters()
addOrder
public void addOrder(String propertyName,
boolean ascending)
addProjection
public void addProjection(String function,
String propertyName,
boolean distinct)
addProjection
public void addProjection(String function,
String propertyName,
boolean distinct,
boolean addAlias)
build
public void build(StringBuilder sb,
Map<String,Object> queryParamValues)
- Builds the given query, appending results to the given string buffer, and adding all query parameter values
that are used to the map provided.
- Parameters:
sb
- String builder to which the query will be appended.queryParamValues
- Map to which name and values of parameters used in the query should be added.
toQuery
public Query toQuery(Session session)
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