io.crnk.jpa.internal.query

Class AbstractQueryExecutorImpl<T>

java.lang.Object

io.crnk.jpa.internal.query.AbstractQueryExecutorImpl<T>

All Implemented Interfaces:

JpaQueryExecutor<T>

Direct Known Subclasses:

JpaCriteriaQueryExecutorImpl, QuerydslExecutorImpl

public abstract class AbstractQueryExecutorImpl<T>
extends java.lang.Object
implements JpaQueryExecutor<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	cached
protected javax.persistence.EntityManager	em
protected java.util.Set<io.crnk.meta.model.MetaAttributePath>	fetchPaths
protected int	limit
protected io.crnk.meta.model.MetaDataObject	meta
protected int	numAutoSelections
protected int	offset
protected java.util.Map<java.lang.String,java.lang.Integer>	selectionBindings

Constructor Summary

Constructors

Constructor and Description
AbstractQueryExecutorImpl(javax.persistence.EntityManager em, io.crnk.meta.model.MetaDataObject meta, int numAutoSelections, java.util.Map<java.lang.String,java.lang.Integer> selectionBindings)

Method Summary

Modifier and Type	Method and Description
protected void	applyFetchPaths(javax.persistence.Query criteriaQuery)
protected static java.util.List<java.lang.Object[]>	enforceDistinct(java.util.List<?> list)
java.util.List<T>	executeQuery()
JpaQueryExecutor<T>	fetch(java.util.List<java.lang.String> attrPath)
java.lang.Class<T>	getEntityClass()
io.crnk.meta.model.MetaDataObject	getMeta()
java.util.List<T>	getResultList()
abstract javax.persistence.Query	getTypedQuery()
T	getUniqueResult(boolean nullable)
protected abstract boolean	hasManyRootsFetchesOrJoins()
protected abstract boolean	isCompoundSelection()
protected abstract boolean	isDistinct()
JpaQueryExecutor<T>	setCached(boolean cached)
JpaQueryExecutor<T>	setLimit(int limit)
JpaQueryExecutor<T>	setOffset(int offset)
protected javax.persistence.Query	setupQuery(javax.persistence.Query typedQuery)
JpaQueryExecutor<T>	setWindow(int offset, int limit)
protected java.util.List<java.lang.Object>	truncateTuples(java.util.List<?> list, int numToRemove)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.crnk.jpa.query.JpaQueryExecutor

getResultTuples, getTotalRowCount

Field Detail

offset

protected int offset

limit

protected int limit

cached

protected boolean cached

em

protected javax.persistence.EntityManager em

numAutoSelections

protected int numAutoSelections

fetchPaths

protected java.util.Set<io.crnk.meta.model.MetaAttributePath> fetchPaths

meta

protected io.crnk.meta.model.MetaDataObject meta

selectionBindings

protected java.util.Map<java.lang.String,java.lang.Integer> selectionBindings

Constructor Detail

AbstractQueryExecutorImpl

public AbstractQueryExecutorImpl(javax.persistence.EntityManager em,
                                 io.crnk.meta.model.MetaDataObject meta,
                                 int numAutoSelections,
                                 java.util.Map<java.lang.String,java.lang.Integer> selectionBindings)

Method Detail

enforceDistinct

protected static java.util.List<java.lang.Object[]> enforceDistinct(java.util.List<?> list)

getMeta

public io.crnk.meta.model.MetaDataObject getMeta()

fetch

public JpaQueryExecutor<T> fetch(java.util.List<java.lang.String> attrPath)

Specified by:

fetch in interface JpaQueryExecutor<T>

setCached

public JpaQueryExecutor<T> setCached(boolean cached)

Specified by:

setCached in interface JpaQueryExecutor<T>

setOffset

public JpaQueryExecutor<T> setOffset(int offset)

Specified by:

setOffset in interface JpaQueryExecutor<T>

setLimit

public JpaQueryExecutor<T> setLimit(int limit)

Specified by:

setLimit in interface JpaQueryExecutor<T>

setWindow

public JpaQueryExecutor<T> setWindow(int offset,
                                     int limit)

Specified by:

setWindow in interface JpaQueryExecutor<T>

getResultList

public java.util.List<T> getResultList()

Specified by:

getResultList in interface JpaQueryExecutor<T>

isCompoundSelection

protected abstract boolean isCompoundSelection()

getUniqueResult

public T getUniqueResult(boolean nullable)

Specified by:

getUniqueResult in interface JpaQueryExecutor<T>

truncateTuples

protected java.util.List<java.lang.Object> truncateTuples(java.util.List<?> list,
                                                          int numToRemove)

getEntityClass

public java.lang.Class<T> getEntityClass()

Specified by:

getEntityClass in interface JpaQueryExecutor<T>

applyFetchPaths

protected void applyFetchPaths(javax.persistence.Query criteriaQuery)

getTypedQuery

public abstract javax.persistence.Query getTypedQuery()

setupQuery

protected javax.persistence.Query setupQuery(javax.persistence.Query typedQuery)

executeQuery

public java.util.List<T> executeQuery()

hasManyRootsFetchesOrJoins

protected abstract boolean hasManyRootsFetchesOrJoins()

isDistinct

protected abstract boolean isDistinct()