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java.lang.Objectnet.esper.client.soda.Stream
net.esper.client.soda.ProjectedStream
net.esper.client.soda.FilterStream
public class FilterStream
A stream upon which projections (views) can be added that selects events by name and filter expression.
Constructor Summary | |
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FilterStream(Filter filter)
Ctor. |
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FilterStream(Filter filter,
String name)
Ctor. |
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FilterStream(Filter filter,
String name,
List<View> views)
Ctor. |
Method Summary | |
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static FilterStream |
create(Filter filter)
Creates a stream using a filter that provides the event type name and filter expression to filter for. |
static FilterStream |
create(Filter filter,
String streamName)
Creates a stream using a filter that provides the event type name and filter expression to filter for. |
static FilterStream |
create(String eventTypeAlias)
Creates a stream of events of the given name. |
static FilterStream |
create(String eventTypeAlias,
Expression filter)
Creates a stream of events of the given event type name and names that stream. |
static FilterStream |
create(String eventTypeAlias,
String streamName)
Creates a stream of events of the given event type name and names that stream. |
Filter |
getFilter()
Returns the filter. |
void |
setFilter(Filter filter)
Sets the filter to use. |
void |
toEQLProjectedStream(StringWriter writer)
Represent as textual. |
Methods inherited from class net.esper.client.soda.ProjectedStream |
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addView, addView, addView, addView, getViews, setViews, toEQLStream |
Methods inherited from class net.esper.client.soda.Stream |
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getStreamName, setStreamName, toEQL |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public FilterStream(Filter filter)
filter
- specifies what events to look forpublic FilterStream(Filter filter, String name)
filter
- specifies what events to look forname
- is the as-name for the streampublic FilterStream(Filter filter, String name, List<View> views)
filter
- specifies what events to look forname
- is the as-name for the streamviews
- is a list of projections onto the streamMethod Detail |
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public static FilterStream create(Filter filter)
filter
- defines what to look for
public static FilterStream create(String eventTypeAlias)
eventTypeAlias
- is the event type name or alias to filter for
public static FilterStream create(String eventTypeAlias, String streamName)
eventTypeAlias
- is the event type name or alias to filter forstreamName
- is an optional stream name
public static FilterStream create(Filter filter, String streamName)
filter
- defines what to look forstreamName
- is an optional stream name
public static FilterStream create(String eventTypeAlias, Expression filter)
eventTypeAlias
- is the event type name or alias to filter forfilter
- is the filter expression removing events from the stream
public Filter getFilter()
public void setFilter(Filter filter)
filter
- to setpublic void toEQLProjectedStream(StringWriter writer)
ProjectedStream
toEQLProjectedStream
in class ProjectedStream
writer
- to output to
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