OpenSplice Java 5 DCPS  v6.x
OpenSplice Java 5 OpenSplice Data Distribution Service Data-Centric Publish-Subscribe API
Liveliness.java
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1 /* Copyright 2010, Object Management Group, Inc.
2  * Copyright 2010, PrismTech, Inc.
3  * Copyright 2010, Real-Time Innovations, Inc.
4  * All rights reserved.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
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15  * See the License for the specific language governing permissions and
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17  */
18 
19 package org.omg.dds.core.policy;
20 
21 import java.util.concurrent.TimeUnit;
22 
23 import org.omg.dds.core.Duration;
24 
25 
102 public interface Liveliness
103 extends QosPolicy.ForTopic,
106  RequestedOffered<Liveliness>
107 {
108  // -----------------------------------------------------------------------
109  // Methods
110  // -----------------------------------------------------------------------
111 
115  public Kind getKind();
116 
120  public Duration getLeaseDuration();
121 
122 
123  // --- Modification: -----------------------------------------------------
124 
131  public Liveliness withKind(Kind kind);
132 
139  public Liveliness withLeaseDuration(Duration leaseDuration);
140 
149  long leaseDuration,
150  TimeUnit unit);
154  public Liveliness withAutomatic();
162  public Liveliness withManualByTopic();
163 
164 
165  // -----------------------------------------------------------------------
166  // Types
167  // -----------------------------------------------------------------------
168 
169  public enum Kind {
176 
188 
199  MANUAL_BY_TOPIC
200  }
201 
202 }
This interface is implemented by QoS policies that enforce a Request/Offer contract between publicati...
MANUAL_BY_PARTICIPANT
The user application takes responsibility to signal liveliness to the Service.
AUTOMATIC
The infrastructure will automatically signal liveliness for the org.omg.dds.pub.DataWriters at least ...
A QosPolicy interface that implements this marker interface applies to org.omg.dds.pub.DataWriter Entities.
Definition: QosPolicy.java:169
Liveliness withKind(Kind kind)
Copy this policy and override the value of the property.
Determines the mechanism and parameters used by the application to determine whether an org...
This class is the abstract root for all the QoS policies.
Definition: QosPolicy.java:118
A QosPolicy interface that implements this marker interface applies to org.omg.dds.topic.Topic Entities.
Definition: QosPolicy.java:160
A span of elapsed time expressed with nanosecond precision.
Definition: Duration.java:35
Liveliness withLeaseDuration(Duration leaseDuration)
Copy this policy and override the value of the property.
A QosPolicy interface that implements this marker interface applies to org.omg.dds.sub.DataReader Entities.
Definition: QosPolicy.java:178