Package org.apache.cayenne.exp.property
Class CollectionProperty<V extends Persistent,E extends Collection<V>>
- java.lang.Object
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- org.apache.cayenne.exp.property.BaseProperty<E>
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- org.apache.cayenne.exp.property.CollectionProperty<V,E>
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- All Implemented Interfaces:
PathProperty<E>
,Property<E>
,RelationshipProperty<E>
- Direct Known Subclasses:
ListProperty
,SetProperty
public abstract class CollectionProperty<V extends Persistent,E extends Collection<V>> extends BaseProperty<E> implements RelationshipProperty<E>
Base class forListProperty
andSetProperty
- Since:
- 4.2
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Field Summary
Fields Modifier and Type Field Description protected Class<V>
entityType
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Fields inherited from class org.apache.cayenne.exp.property.BaseProperty
expressionSupplier, name, type
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Constructor Summary
Constructors Modifier Constructor Description protected
CollectionProperty(String name, Expression expression, Class<? super E> collectionType, Class<V> entityType)
Constructs a new property with the given name and expression
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description Expression
contains(Collection<V> values)
Expression
contains(V value)
Expression
contains(V firstValue, V... moreValues)
Expression
containsId(Object id)
Expression
containsId(Object firstId, Object... moreId)
Expression
containsId(Collection<Object> ids)
EntityProperty<V>
flat()
Create new "flat" property for toMany relationship.protected Class<V>
getEntityType()
Expression
notContains(Collection<V> values)
Expression
notContains(V value)
Expression
notContains(V firstValue, V... moreValues)
Expression
notContainsId(Object id)
Expression
notContainsId(Object firstId, Object... moreId)
Expression
notContainsId(Collection<Object> ids)
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Methods inherited from class org.apache.cayenne.exp.property.BaseProperty
alias, asc, ascInsensitive, ascInsensitives, ascs, count, countDistinct, desc, descInsensitive, descInsensitives, descs, enclosing, eq, eq, equals, function, function, getAlias, getExpression, getFrom, getFromAll, getName, getType, hashCode, in, in, in, isFalse, isNotNull, isNull, isTrue, ne, ne, nin, nin, nin, operator, operator, path, setIn, setInAll
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Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.cayenne.exp.property.PathProperty
dot, dot, dot, dot, dot
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Methods inherited from interface org.apache.cayenne.exp.property.Property
getAlias, getExpression, getName, getType
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Field Detail
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entityType
protected Class<V extends Persistent> entityType
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Constructor Detail
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CollectionProperty
protected CollectionProperty(String name, Expression expression, Class<? super E> collectionType, Class<V> entityType)
Constructs a new property with the given name and expression- Parameters:
name
- of the property (will be used as alias for the expression)expression
- expression for propertycollectionType
- type of the collectionentityType
- type of related entity
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Method Detail
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flat
public EntityProperty<V> flat()
Create new "flat" property for toMany relationship.
Example:
List<Object[]> result = ObjectSelect .columnQuery(Artist.class, Artist.ARTIST_NAME, Artist.PAINTING_ARRAY.flat()) .select(context);
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contains
public Expression contains(V value)
- Returns:
- An expression representing equality to a value.
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notContains
public Expression notContains(V value)
- Returns:
- An expression representing inequality to a value.
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contains
@SafeVarargs public final Expression contains(V firstValue, V... moreValues)
- Returns:
- An expression for finding objects with values in the given set.
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contains
public Expression contains(Collection<V> values)
- Returns:
- An expression for finding objects with values in the given set.
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containsId
public Expression containsId(Object id)
- Parameters:
id
- object id- Returns:
- An expression for finding object with given id.
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containsId
public Expression containsId(Object firstId, Object... moreId)
- Returns:
- An expression for finding objects with given id set
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containsId
public Expression containsId(Collection<Object> ids)
- Returns:
- An expression for finding objects with given id set.
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notContainsId
public Expression notContainsId(Object id)
- Parameters:
id
- object id- Returns:
- An expression for finding object without given id.
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notContainsId
public Expression notContainsId(Object firstId, Object... moreId)
- Returns:
- An expression for finding objects without given id set.
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notContainsId
public Expression notContainsId(Collection<Object> ids)
- Returns:
- An expression for finding objects without given id set.
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notContains
public Expression notContains(Collection<V> values)
- Returns:
- An expression for finding objects with values not in the given set.
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notContains
@SafeVarargs public final Expression notContains(V firstValue, V... moreValues)
- Returns:
- An expression for finding objects with values not in the given set.
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