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BBranch calculated connectable bus from NB view can be null #1008

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merged 3 commits into from
Nov 12, 2019
Merged

BBranch calculated connectable bus from NB view can be null #1008

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42acd36
BBranch calculated connectable bus from NB view can be null
miovd Nov 8, 2019
b6cc040
Merge branch 'master' into null_connectable_bus
zamarrenolm Nov 12, 2019
e2e9c6e
use isEmpty
zamarrenolm Nov 12, 2019
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9 changes: 4 additions & 5 deletions iidm/iidm-impl/src/main/java/com/powsybl/iidm/network/impl/NodeBreakerVoltageLevel.java
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,6 @@
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
Expand Down Expand Up @@ -400,11 +399,11 @@ BusExt getConnectableBus(int node) {
});
// if nothing found, just take the first bus
if (connectableBus2[0] == null) {
Iterator<CalculatedBus> it = getBuses().iterator();
if (!it.hasNext()) {
throw new AssertionError("Should not happen");
Collection<CalculatedBus> buses = getBuses();
if (buses.isEmpty()) { // if the whole voltage level is disconnected, return null
return null;
}
return it.next();
return buses.iterator().next();
}
return connectableBus2[0];
}
Expand Down
16 changes: 16 additions & 0 deletions iidm/iidm-impl/src/test/java/com/powsybl/iidm/network/impl/NodeBreakerTest.java
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Expand Up @@ -75,6 +75,9 @@ private static Network createIsolatedLoadNetwork() {
VoltageLevel vl1 = s1.newVoltageLevel().setId("VL").setNominalV(1f)
.setTopologyKind(TopologyKind.NODE_BREAKER)
.add();
VoltageLevel vl2 = s1.newVoltageLevel().setId("VL2").setNominalV(1f)
.setTopologyKind(TopologyKind.NODE_BREAKER)
.add();

vl1.getNodeBreakerView()
.setNodeCount(11)
Expand Down Expand Up @@ -150,6 +153,15 @@ private static Network createIsolatedLoadNetwork() {
.setNode2(2)
.setRetained(true)
.add();

vl2.getNodeBreakerView()
.setNodeCount(1);
vl2.newLoad()
.setId("L4")
.setNode(0)
.setP0(0)
.setQ0(0)
.add();
return network;
}

Expand Down Expand Up @@ -283,5 +295,9 @@ public void testIsolatedLoadBusBranch() {
// load "L3" is not connected and has no connectable bus (the first bus is taken as connectable bus in this case)
assertNull(getBus(network.getLoad("L3")));
assertEquals("VL_0", getConnectableBus(network.getLoad("L3")).getId());

// load "L4" is not connected, has no connectable bus and is in a disconnected voltage level
assertNull(getBus(network.getLoad("L4")));
assertNull(getConnectableBus(network.getLoad("L4")));
}
}