org.gecko.emf.repository.query

Interface IQuery

All Known Implementing Classes:

AbstractQuery, OperatorQuery, RangeQuery, ValueQuery

public interface IQuery

Query interface with default queries.

Since:

26.07.2017

Method Summary

Modifier and Type	Method and Description
java.lang.String	getFilterString() Returns the query string that is responsible for filtering
long	getLimit() Returns the entry limit count.
java.lang.String	getLimitString() Returns the query string that is responsible for limiting the result size
java.util.List<EStructuralFeature[]>	getProjectionPaths() Returns the EStructuralFeature paths for the projection
java.lang.String	getProjectionString() Returns the query string that is responsible for projection
long	getSkip() Returns the entry skip/offset count.
SortType	getSortDirection() Returns the sort direction
java.lang.String	getSortField() Returns the sort field or null
java.lang.String	getSortString() Returns the query string that is responsible for sorting
void	setLimit(long limit) Sets the entry count limit
void	setSkip(long skip) Sets the entry skip count to start from
void	setSort(EAttribute field, SortType sortType) Sets the sorting parameters

Method Detail

getSortString

java.lang.String getSortString()

Returns the query string that is responsible for sorting

Returns:

the query string that is responsible for sorting

getFilterString

java.lang.String getFilterString()

Returns the query string that is responsible for filtering

Returns:

the query string that is responsible for filtering

getLimitString

java.lang.String getLimitString()

Returns the query string that is responsible for limiting the result size

Returns:

the query string that is responsible for limiting the result size

getProjectionString

java.lang.String getProjectionString()

Returns the query string that is responsible for projection

Returns:

the query string that is responsible for projection

setLimit

void setLimit(long limit)

Sets the entry count limit

Parameters:

limit - the entry count limit to set

getLimit

long getLimit()

Returns the entry limit count. Default value is -1 and means no limit

Returns:

the entry limit count.

setSkip

void setSkip(long skip)

Sets the entry skip count to start from

Parameters:

skip - the entry skip count to start from

getSkip

long getSkip()

Returns the entry skip/offset count. Default value is -1 and means no skipping

Returns:

the entry skip/offset count.

setSort

void setSort(EAttribute field,
             SortType sortType)

Sets the sorting parameters

Parameters:

field - the field to be sorted

sortType - the sort type ascending or descending

getSortField

java.lang.String getSortField()

Returns the sort field or null

Returns:

the sort field or null

getSortDirection

SortType getSortDirection()

Returns the sort direction

Returns:

the sort direction

getProjectionPaths

java.util.List<EStructuralFeature[]> getProjectionPaths()

Returns the EStructuralFeature paths for the projection

Returns:

the EStructuralFeature paths for the projection