Module io.ebean.core

Package io.ebeaninternal.server.query

Class DefaultRelationalQueryEngine

java.lang.Object

io.ebeaninternal.server.query.DefaultRelationalQueryEngine

All Implemented Interfaces:

RelationalQueryEngine

public final class DefaultRelationalQueryEngine
extends Object
implements RelationalQueryEngine

Perform native sql fetches.

Constructor Summary

Constructors

Constructor	Description
DefaultRelationalQueryEngine(Binder binder, String dbTrueValue, boolean binaryOptimizedUUID)

Method Summary

Modifier and Type	Method	Description
void	collect(String label, long exeMicros)	Collect SQL query execution statistics.
SqlRow	createSqlRow(int estimateCapacity)	Return a new SqlRow with appropriate mapping for DB true and optimised binary UUID etc.
void	findEach(RelationalQueryRequest request, RowConsumer consumer)	Find each via raw consumer.
<T> void	findEach(RelationalQueryRequest request, RowReader<T> reader, Predicate<T> consumer)	Find each while query using relational query.
<T> List<T>	findList(RelationalQueryRequest request, RowReader<T> reader)	Find a list of beans using relational query.
<T> T	findOne(RelationalQueryRequest request, RowMapper<T> mapper)	Find one via mapper.
<T> T	findSingleAttribute(RelationalQueryRequest request, Class<T> cls)	Find single attribute.
<T> void	findSingleAttributeEach(RelationalQueryRequest request, Class<T> cls, Consumer<T> consumer)	Find single attribute streaming the result to a consumer.
<T> List<T>	findSingleAttributeList(RelationalQueryRequest request, Class<T> cls)	Find single attribute list.
void	visitMetrics(MetricVisitor visitor)	Visit the metrics.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultRelationalQueryEngine

public DefaultRelationalQueryEngine(Binder binder,
 String dbTrueValue,
 boolean binaryOptimizedUUID)

Method Details

collect

public void collect(String label,
 long exeMicros)

Description copied from interface: RelationalQueryEngine

Collect SQL query execution statistics.

Specified by:

collect in interface RelationalQueryEngine

visitMetrics

public void visitMetrics(MetricVisitor visitor)

Description copied from interface: RelationalQueryEngine

Visit the metrics.

Specified by:

visitMetrics in interface RelationalQueryEngine

createSqlRow

public SqlRow createSqlRow(int estimateCapacity)

Description copied from interface: RelationalQueryEngine

Return a new SqlRow with appropriate mapping for DB true and optimised binary UUID etc.

Specified by:

createSqlRow in interface RelationalQueryEngine

findEach

public void findEach(RelationalQueryRequest request,
 RowConsumer consumer)

Description copied from interface: RelationalQueryEngine

Find each via raw consumer.

Specified by:

findEach in interface RelationalQueryEngine

findEach

public <T> void findEach(RelationalQueryRequest request,
 RowReader<T> reader,
 Predicate<T> consumer)

Description copied from interface: RelationalQueryEngine

Find each while query using relational query.

Specified by:

findEach in interface RelationalQueryEngine

findOne

public <T> T findOne(RelationalQueryRequest request,
 RowMapper<T> mapper)

Description copied from interface: RelationalQueryEngine

Find one via mapper.

Specified by:

findOne in interface RelationalQueryEngine

findList

public <T> List<T> findList(RelationalQueryRequest request,
 RowReader<T> reader)

Description copied from interface: RelationalQueryEngine

Find a list of beans using relational query.

Specified by:

findList in interface RelationalQueryEngine

findSingleAttribute

public <T> T findSingleAttribute(RelationalQueryRequest request,
 Class<T> cls)

Description copied from interface: RelationalQueryEngine

Find single attribute.

Specified by:

findSingleAttribute in interface RelationalQueryEngine

findSingleAttributeList

public <T> List<T> findSingleAttributeList(RelationalQueryRequest request,
 Class<T> cls)

Description copied from interface: RelationalQueryEngine

Find single attribute list.

Specified by:

findSingleAttributeList in interface RelationalQueryEngine

findSingleAttributeEach

public <T> void findSingleAttributeEach(RelationalQueryRequest request,
 Class<T> cls,
 Consumer<T> consumer)

Description copied from interface: RelationalQueryEngine

Find single attribute streaming the result to a consumer.

Specified by:

findSingleAttributeEach in interface RelationalQueryEngine