fix MT race condition
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parent
037c645075
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524ffb189c
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@ -19,6 +19,7 @@ import java.util.HashMap;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import com.minres.scviewer.database.HierNode;
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import com.minres.scviewer.database.IHierNode;
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@ -80,7 +81,7 @@ public class WaveformDb extends HierNode implements IWaveformDb, PropertyChangeL
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*/
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public WaveformDb() {
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super();
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waveforms = new HashMap<>();
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waveforms = new ConcurrentHashMap<>();
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relationTypes = new ArrayList<>();
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maxTime = 0L;
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}
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@ -193,7 +194,7 @@ public class WaveformDb extends HierNode implements IWaveformDb, PropertyChangeL
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/**
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* Builds the hierarchy nodes.
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*/
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private void buildHierarchyNodes() {
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private synchronized void buildHierarchyNodes() {
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boolean needsSorting = false;
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for (IWaveform stream : getAllWaves()) {
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if (stream.getParent() == null) {
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