org.gecko.emf.repository.query

Class AbstractQuery

java.lang.Object

org.gecko.emf.repository.query.AbstractQuery

All Implemented Interfaces:

IQuery

Direct Known Subclasses:

OperatorQuery, RangeQuery, ValueQuery

public abstract class AbstractQuery
extends java.lang.Object
implements IQuery

An abstract query.

Since:

26.07.2017

Constructor Summary

Constructors

Constructor and Description
AbstractQuery(java.util.List<EStructuralFeature[]> projectionPaths)

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

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractQuery

public AbstractQuery(java.util.List<EStructuralFeature[]> projectionPaths)

Method Detail

setLimit

public void setLimit(long limit)

Description copied from interface: IQuery

Sets the entry count limit

Specified by:

setLimit in interface IQuery

Parameters:

limit - the entry count limit to set

getLimit

public long getLimit()

Description copied from interface: IQuery

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

Specified by:

getLimit in interface IQuery

Returns:

the entry limit count.

setSkip

public void setSkip(long skip)

Description copied from interface: IQuery

Sets the entry skip count to start from

Specified by:

setSkip in interface IQuery

Parameters:

skip - the entry skip count to start from

getSkip

public long getSkip()

Description copied from interface: IQuery

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

Specified by:

getSkip in interface IQuery

Returns:

the entry skip/offset count.

setSort

public void setSort(EAttribute field,
                    SortType sortType)

Description copied from interface: IQuery

Sets the sorting parameters

Specified by:

setSort in interface IQuery

Parameters:

field - the field to be sorted

sortType - the sort type ascending or descending

getSortField

public java.lang.String getSortField()

Description copied from interface: IQuery

Returns the sort field or null

Specified by:

getSortField in interface IQuery

Returns:

the sort field or null

getSortDirection

public SortType getSortDirection()

Description copied from interface: IQuery

Returns the sort direction

Specified by:

getSortDirection in interface IQuery

Returns:

the sort direction

getFilterString

public java.lang.String getFilterString()

Description copied from interface: IQuery

Returns the query string that is responsible for filtering

Specified by:

getFilterString in interface IQuery

Returns:

the query string that is responsible for filtering

getLimitString

public java.lang.String getLimitString()

Description copied from interface: IQuery

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

Specified by:

getLimitString in interface IQuery

Returns:

the query string that is responsible for limiting the result size

getSortString

public java.lang.String getSortString()

Description copied from interface: IQuery

Returns the query string that is responsible for sorting

Specified by:

getSortString in interface IQuery

Returns:

the query string that is responsible for sorting

getProjectionString

public java.lang.String getProjectionString()

Description copied from interface: IQuery

Returns the query string that is responsible for projection

Specified by:

getProjectionString in interface IQuery

Returns:

the query string that is responsible for projection

getProjectionPaths

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

Description copied from interface: IQuery

Returns the EStructuralFeature paths for the projection

Specified by:

getProjectionPaths in interface IQuery

Returns:

the EStructuralFeature paths for the projection