com.google.appengine.api.datastore
Class Query.CompositeFilter
- java.lang.Object
-
- com.google.appengine.api.datastore.Query.Filter
-
- com.google.appengine.api.datastore.Query.CompositeFilter
-
- All Implemented Interfaces:
- java.io.Serializable
- Enclosing class:
- Query
public static final class Query.CompositeFilter extends Query.Filter
AQuery.Filter
that combines several sub filters using aQuery.CompositeFilterOperator
.For example, to construct a filter of the form
a = 1 AND (b = 2 OR c = 3)
use: ornew CompositeFilter(CompositeFilterOperator.AND, Arrays.asList( new FilterPredicate("a", FilterOperator.EQUAL, 1), new CompositeFilter(CompositeFilterOperator.OR, Arrays.<Filter>asList( new FilterPredicate("b", FilterOperator.EQUAL, 2), new FilterPredicate("c", FilterOperator.EQUAL, 3)))));
CompositeFilterOperator.and( FilterOperator.EQUAL.of("a", 1), CompositeFilterOperator.or( FilterOperator.EQUAL.of("b", 2), FilterOperator.EQUAL.of("c", 3)));
- See Also:
- Serialized Form
-
-
Constructor Summary
Constructors Constructor and Description CompositeFilter(Query.CompositeFilterOperator operator, java.util.Collection<Query.Filter> subFilters)
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description boolean
equals(java.lang.Object obj)
Query.CompositeFilterOperator
getOperator()
java.util.List<Query.Filter>
getSubFilters()
int
hashCode()
java.lang.String
toString()
-
-
-
Constructor Detail
-
CompositeFilter
public CompositeFilter(Query.CompositeFilterOperator operator, java.util.Collection<Query.Filter> subFilters)
-
-
Method Detail
-
getOperator
public Query.CompositeFilterOperator getOperator()
- Returns:
- the operator
-
getSubFilters
public java.util.List<Query.Filter> getSubFilters()
- Returns:
- an immutable list of sub filters
-
toString
public java.lang.String toString()
- Overrides:
toString
in classjava.lang.Object
-
hashCode
public int hashCode()
- Overrides:
hashCode
in classjava.lang.Object
-
equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals
in classjava.lang.Object
-
-