Package com.querydsl.sql

Class RelationalPathBase<T>

java.lang.Object

com.querydsl.core.types.dsl.DslExpression<T>

com.querydsl.core.types.dsl.SimpleExpression<T>

com.querydsl.core.types.dsl.BeanPath<T>

com.querydsl.sql.RelationalPathBase<T>

Type Parameters:

T - entity type

All Implemented Interfaces:

EntityPath<T>, Expression<T>, Path<T>, ProjectionRole<T>, RelationalPath<T>, Serializable

public class RelationalPathBase<T>
extends BeanPath<T>
implements RelationalPath<T>

RelationalPathBase is a base class for RelationalPath implementations

Author:

tiwe

See Also:

• Serialized Form

Field Summary

Fields inherited from class com.querydsl.core.types.dsl.DslExpression

hashCode, mixin

Constructor Summary

Constructors

Constructor	Description
RelationalPathBase(Class<? extends T> type, PathMetadata metadata, String schema, String table)
RelationalPathBase(Class<? extends T> type, String variable, String schema, String table)

Method Summary

Modifier and Type	Method	Description
protected <P extends Path<?>> P	add(P path)
protected <P extends Path<?>> P	addMetadata(P path, ColumnMetadata metadata)
Path<?>[]	all()
NumberExpression<Long>	count()
NumberExpression<Long>	countDistinct()
protected <F> ForeignKey<F>	createForeignKey(Path<?> local, String foreign)
protected <F> ForeignKey<F>	createForeignKey(List<? extends Path<?>> local, List<String> foreign)
protected <F> ForeignKey<F>	createInvForeignKey(Path<?> local, String foreign)
protected <F> ForeignKey<F>	createInvForeignKey(List<? extends Path<?>> local, List<String> foreign)
protected PrimaryKey<T>	createPrimaryKey(Path<?>... columns)
BooleanExpression	eq(Expression<? super T> right)	Compares the two relational paths using primary key columns
BooleanExpression	eq(T right)	Compares the two relational paths using primary key columns
List<Path<?>>	getColumns()	Get all columns
Collection<ForeignKey<?>>	getForeignKeys()	Get the foreign keys for this relation
Collection<ForeignKey<?>>	getInverseForeignKeys()	Get the inverse foreign keys for this relation
ColumnMetadata	getMetadata(Path<?> column)	Returns the metadata for this path or null if none was assigned.
PrimaryKey<T>	getPrimaryKey()	Get the primary key for this relation or null if none exists
FactoryExpression<T>	getProjection()
SchemaAndTable	getSchemaAndTable()	Get the schema and table name
String	getSchemaName()	Get the schema name
String	getTableName()	Get the table name
BooleanExpression	ne(Expression<? super T> right)	Compares the two relational paths using primary key columns
BooleanExpression	ne(T right)	Compares the two relational paths using primary key columns

Methods inherited from class com.querydsl.core.types.dsl.BeanPath

accept, as, createArray, createBoolean, createCollection, createComparable, createDate, createDateTime, createEnum, createList, createMap, createNumber, createSet, createSimple, createString, createTime, forProperty, getAnnotatedElement, getMetadata, getRoot, instanceOf, instanceOfAny

Methods inherited from class com.querydsl.core.types.dsl.SimpleExpression

as, as, eqAll, eqAll, eqAny, eqAny, in, in, in, in, in, isNotNull, isNull, neAll, neAny, notIn, notIn, notIn, notIn, notIn, nullif, nullif, when, when

Methods inherited from class com.querydsl.core.types.dsl.DslExpression

equals, getType, hashCode, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.querydsl.core.types.Expression

accept, getType

Methods inherited from interface com.querydsl.core.types.Path

getAnnotatedElement, getMetadata, getRoot

Constructor Details

RelationalPathBase

public RelationalPathBase(Class<? extends T> type,
 String variable,
 String schema,
 String table)

RelationalPathBase

public RelationalPathBase(Class<? extends T> type,
 PathMetadata metadata,
 String schema,
 String table)

Method Details

createPrimaryKey

protected PrimaryKey<T> createPrimaryKey(Path<?>... columns)

createForeignKey

protected <F> ForeignKey<F> createForeignKey(Path<?> local,
 String foreign)

createForeignKey

protected <F> ForeignKey<F> createForeignKey(List<? extends Path<?>> local,
 List<String> foreign)

createInvForeignKey

protected <F> ForeignKey<F> createInvForeignKey(Path<?> local,
 String foreign)

createInvForeignKey

protected <F> ForeignKey<F> createInvForeignKey(List<? extends Path<?>> local,
 List<String> foreign)

addMetadata

protected <P extends Path<?>> P addMetadata(P path,
 ColumnMetadata metadata)

count

public NumberExpression<Long> count()

Overrides:

count in class SimpleExpression<T>

countDistinct

public NumberExpression<Long> countDistinct()

Overrides:

countDistinct in class SimpleExpression<T>

eq

public BooleanExpression eq(T right)

Compares the two relational paths using primary key columns

Overrides:

eq in class SimpleExpression<T>

Parameters:

right - rhs of the comparison

Returns:

this == right

eq

public BooleanExpression eq(Expression<? super T> right)

Compares the two relational paths using primary key columns

Overrides:

eq in class SimpleExpression<T>

Parameters:

right - rhs of the comparison

Returns:

this == right

ne

public BooleanExpression ne(T right)

Compares the two relational paths using primary key columns

Overrides:

ne in class SimpleExpression<T>

Parameters:

right - rhs of the comparison

Returns:

this != right

ne

public BooleanExpression ne(Expression<? super T> right)

Compares the two relational paths using primary key columns

Overrides:

ne in class SimpleExpression<T>

Parameters:

right - rhs of the comparison

Returns:

this != right

getProjection

public FactoryExpression<T> getProjection()

Specified by:

getProjection in interface ProjectionRole<T>

all

public Path<?>[] all()

add

protected <P extends Path<?>> P add(P path)

Overrides:

add in class BeanPath<T>

getColumns

public List<Path<?>> getColumns()

Description copied from interface: RelationalPath

Get all columns

Specified by:

getColumns in interface RelationalPath<T>

Returns:

columns

getForeignKeys

public Collection<ForeignKey<?>> getForeignKeys()

Description copied from interface: RelationalPath

Get the foreign keys for this relation

Specified by:

getForeignKeys in interface RelationalPath<T>

Returns:

foreign keys

getInverseForeignKeys

public Collection<ForeignKey<?>> getInverseForeignKeys()

Description copied from interface: RelationalPath

Get the inverse foreign keys for this relation

Specified by:

getInverseForeignKeys in interface RelationalPath<T>

Returns:

inverse foreign keys

getPrimaryKey

public PrimaryKey<T> getPrimaryKey()

Description copied from interface: RelationalPath

Get the primary key for this relation or null if none exists

Specified by:

getPrimaryKey in interface RelationalPath<T>

Returns:

primary key

getSchemaAndTable

public SchemaAndTable getSchemaAndTable()

Description copied from interface: RelationalPath

Get the schema and table name

Specified by:

getSchemaAndTable in interface RelationalPath<T>

Returns:

schema and table

getSchemaName

public String getSchemaName()

Description copied from interface: RelationalPath

Get the schema name

Specified by:

getSchemaName in interface RelationalPath<T>

Returns:

schema

getTableName

public String getTableName()

Description copied from interface: RelationalPath

Get the table name

Specified by:

getTableName in interface RelationalPath<T>

Returns:

table

getMetadata

public ColumnMetadata getMetadata(Path<?> column)

Description copied from interface: RelationalPath

Returns the metadata for this path or null if none was assigned. See ColumnMetadata.getColumnMetadata(Path) for a null safe alternative

Specified by:

getMetadata in interface EntityPath<T>

Specified by:

getMetadata in interface RelationalPath<T>

Returns:

column metadata for path