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
A Query.Filter that combines several sub filters using a Query.CompositeFilterOperator.
For example, to construct a filter of the form a = 1 AND (b = 2 OR c = 3) use:
new 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)))));
or
CompositeFilterOperator.and(
FilterOperator.EQUAL.of("a", 1),
CompositeFilterOperator.or(
FilterOperator.EQUAL.of("b", 2),
FilterOperator.EQUAL.of("c", 3)));
- See Also:
- Serialized Form
| Methods inherited from class java.lang.Object |
getClass, notify, notifyAll, wait, wait, wait |
Query.CompositeFilter
public Query.CompositeFilter(Query.CompositeFilterOperator operator,
java.util.Collection<Query.Filter> subFilters)
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 class java.lang.Object
hashCode
public int hashCode()
- Overrides:
hashCode in class java.lang.Object
equals
public boolean equals(java.lang.Object obj)
- Overrides:
equals in class java.lang.Object