com.google.appengine.api.datastore
Enum Query.FilterOperator
java.lang.Object
java.lang.Enum<Query.FilterOperator>
com.google.appengine.api.datastore.Query.FilterOperator
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Comparable<Query.FilterOperator>
- Enclosing class:
- Query
public static enum Query.FilterOperator
- extends java.lang.Enum<Query.FilterOperator>
FilterOperator specifies what type of operation you want to apply
to your filter.
Method Summary |
static Query.FilterOperator |
valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. |
static Query.FilterOperator[] |
values()
Returns an array containing the constants of this enum type, in
the order they are declared. |
Methods inherited from class java.lang.Enum |
compareTo, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf |
Methods inherited from class java.lang.Object |
getClass, notify, notifyAll, wait, wait, wait |
LESS_THAN
public static final Query.FilterOperator LESS_THAN
LESS_THAN_OR_EQUAL
public static final Query.FilterOperator LESS_THAN_OR_EQUAL
GREATER_THAN
public static final Query.FilterOperator GREATER_THAN
GREATER_THAN_OR_EQUAL
public static final Query.FilterOperator GREATER_THAN_OR_EQUAL
EQUAL
public static final Query.FilterOperator EQUAL
values
public static Query.FilterOperator[] values()
- Returns an array containing the constants of this enum type, in
the order they are declared. This method may be used to iterate
over the constants as follows:
for (Query.FilterOperator c : Query.FilterOperator.values())
System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in
the order they are declared
valueOf
public static Query.FilterOperator valueOf(java.lang.String name)
- Returns the enum constant of this type with the specified name.
The string must match exactly an identifier used to declare an
enum constant in this type. (Extraneous whitespace characters are
not permitted.)
- Parameters:
name
- the name of the enum constant to be returned.
- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException
- if this enum type has no constant
with the specified name
java.lang.NullPointerException
- if the argument is null