Module io.ebean.core

Package io.ebeaninternal.server.core

Interface RelationalQueryEngine

All Known Implementing Classes:

DefaultRelationalQueryEngine

public interface RelationalQueryEngine

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 mapper)	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.

Method Details

createSqlRow

SqlRow createSqlRow(int estimateCapacity)

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

findList

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

Find a list of beans using relational query.

findEach

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

Find each while query using relational query.

findEach

void findEach(RelationalQueryRequest request,
 RowConsumer mapper)

Find each via raw consumer.

findOne

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

Find one via mapper.

findSingleAttribute

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

Find single attribute.

findSingleAttributeList

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

Find single attribute list.

findSingleAttributeEach

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

Find single attribute streaming the result to a consumer.

collect

void collect(String label,
 long exeMicros)

Collect SQL query execution statistics.

visitMetrics

void visitMetrics(MetricVisitor visitor)

Visit the metrics.