org.hibernate.envers.entities.mapper.relation.query
Class AbstractRelationQueryGenerator

java.lang.Object
  org.hibernate.envers.entities.mapper.relation.query.AbstractRelationQueryGenerator

All Implemented Interfaces:

RelationQueryGenerator

Direct Known Subclasses:

OneAuditEntityQueryGenerator, OneEntityQueryGenerator, ThreeEntityQueryGenerator, TwoEntityOneAuditedQueryGenerator, TwoEntityQueryGenerator

public abstract class AbstractRelationQueryGenerator
extends Object
implements RelationQueryGenerator

Base class for implementers of RelationQueryGenerator contract.

Field Summary

protected MiddleIdData	referencingIdData
protected boolean	revisionTypeInId
protected AuditEntitiesConfiguration	verEntCfg

Constructor Summary

protected

AbstractRelationQueryGenerator(AuditEntitiesConfiguration verEntCfg, MiddleIdData referencingIdData, boolean revisionTypeInId)

Method Summary

Query	getQuery(AuditReaderImplementor versionsReader, Object primaryKey, Number revision, boolean removed)
protected abstract String	getQueryRemovedString()
protected abstract String	getQueryString()
protected String	getRevisionTypePath()
protected String	queryToString(QueryBuilder query)
protected String	queryToString(QueryBuilder query, Map<String,Object> queryParamValues)

Methods inherited from class java.lang.Object

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

Field Detail

verEntCfg

protected final AuditEntitiesConfiguration verEntCfg

referencingIdData

protected final MiddleIdData referencingIdData

revisionTypeInId

protected final boolean revisionTypeInId

Constructor Detail

AbstractRelationQueryGenerator

protected AbstractRelationQueryGenerator(AuditEntitiesConfiguration verEntCfg,
                                         MiddleIdData referencingIdData,
                                         boolean revisionTypeInId)

Method Detail

getQueryString

protected abstract String getQueryString()

Returns:

Query used to retrieve state of audited entity valid at a given revision.

getQueryRemovedString

protected abstract String getQueryRemovedString()

Returns:

Query executed to retrieve state of audited entity valid at previous revision or removed during exactly specified revision number. Used only when traversing deleted entities graph.

getQuery

public Query getQuery(AuditReaderImplementor versionsReader,
                      Object primaryKey,
                      Number revision,
                      boolean removed)

Specified by:

getQuery in interface RelationQueryGenerator

getRevisionTypePath

protected String getRevisionTypePath()

queryToString

protected String queryToString(QueryBuilder query)

queryToString

protected String queryToString(QueryBuilder query,
                               Map<String,Object> queryParamValues)