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java.lang.Objectcom.devexperts.qd.kit.CompositeFilters
public class CompositeFilters
SubscriptionFilter
utilities that combine other filters with ',' (or) operations,
'&' (and) operations, and '!' (not) operations. Grouping with opening '(' and closing ')' parenthesis
is also supported.
Method Summary | |
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static RecordOnlyFilter |
forRecords(java.util.Collection<DataRecord> records)
Returns filter that accepts only a specified collection of records. |
static SubscriptionFilterFactory |
getFactory(SubscriptionFilterFactory base_factory)
|
static boolean |
isStableFilter(SubscriptionFilter filter)
|
static SubscriptionFilter |
makeAnd(SubscriptionFilter one,
SubscriptionFilter two)
Returns new filter that performs logical-and operation on filters. |
static SubscriptionFilter |
makeNot(SubscriptionFilter filter)
Returns new filter that performs logical-not operation on filters. |
static SubscriptionFilter |
makeOr(SubscriptionFilter one,
SubscriptionFilter two)
Returns new filter that performs logical-or operation on filters. |
static StableSubscriptionFilter |
toStableFilter(SubscriptionFilter filter)
|
static SubscriptionFilter |
valueOf(java.lang.String spec,
SubscriptionFilterFactory base_factory)
Parses filter specification and combines filters defined by base_factory
with ',' (or) operations, '&' (and) operations, and '!' |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Method Detail |
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public static SubscriptionFilterFactory getFactory(SubscriptionFilterFactory base_factory)
public static SubscriptionFilter valueOf(java.lang.String spec, SubscriptionFilterFactory base_factory)
base_factory
with ',' (or) operations, '&' (and) operations, and '!' (not) operations.
Grouping with opening '(' and closing ')' parenthesis is also supported.
java.lang.NullPointerException
- if spec is null.
FilterSyntaxException
- if spec is invalid.public static RecordOnlyFilter forRecords(java.util.Collection<DataRecord> records)
public static StableSubscriptionFilter toStableFilter(SubscriptionFilter filter)
public static boolean isStableFilter(SubscriptionFilter filter)
public static SubscriptionFilter makeOr(SubscriptionFilter one, SubscriptionFilter two)
public static SubscriptionFilter makeAnd(SubscriptionFilter one, SubscriptionFilter two)
public static SubscriptionFilter makeNot(SubscriptionFilter filter)
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