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Code Issues Releases Wiki Activity

Add util.Consumer and use it in StateDescriptorGraph

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This commit is contained in:
Florian Schmaus 2019-09-21 22:54:50 +02:00
parent b83dacc60a
commit 6d7b2b70e8
2 changed files with 30 additions and 9 deletions
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15
smack-core/src/main/java/org/jivesoftware/smack/fsm/StateDescriptorGraph.java
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@ -31,6 +31,7 @@ import java.util.Set;
import java.util.logging.Logger; import java.util.logging.Logger;
import org.jivesoftware.smack.fsm.AbstractXmppStateMachineConnection.DisconnectedStateDescriptor; import org.jivesoftware.smack.fsm.AbstractXmppStateMachineConnection.DisconnectedStateDescriptor;
import org.jivesoftware.smack.util.Consumer;
import org.jivesoftware.smack.util.MultiMap; import org.jivesoftware.smack.util.MultiMap;
/** /**
@ -330,7 +331,8 @@ public class StateDescriptorGraph {
return res; return res;
} }
private static <E> void dfsVisit(GraphVertex<E> vertex, DfsFinishedVertex<E> dfsFinishedVertex, DfsEdgeFound<E> dfsEdgeFound) { private static <E> void dfsVisit(GraphVertex<E> vertex, Consumer<GraphVertex<E>> dfsFinishedVertex,
DfsEdgeFound<E> dfsEdgeFound) {
vertex.color = GraphVertex.VertexColor.grey; vertex.color = GraphVertex.VertexColor.grey;
final int totalEdgeCount = vertex.getOutgoingEdges().size(); final int totalEdgeCount = vertex.getOutgoingEdges().size();
@ -349,11 +351,12 @@ public class StateDescriptorGraph {
vertex.color = GraphVertex.VertexColor.black; vertex.color = GraphVertex.VertexColor.black;
if (dfsFinishedVertex != null) { if (dfsFinishedVertex != null) {
dfsFinishedVertex.onVertexFinished(vertex); dfsFinishedVertex.accept(vertex);
} }
} }
private static <E> void dfs(Collection<GraphVertex<E>> vertexes, DfsFinishedVertex<E> dfsFinishedVertex, DfsEdgeFound<E> dfsEdgeFound) { private static <E> void dfs(Collection<GraphVertex<E>> vertexes, Consumer<GraphVertex<E>> dfsFinishedVertex,
DfsEdgeFound<E> dfsEdgeFound) {
for (GraphVertex<E> vertex : vertexes) { for (GraphVertex<E> vertex : vertexes) {
if (vertex.color == GraphVertex.VertexColor.white) { if (vertex.color == GraphVertex.VertexColor.white) {
dfsVisit(vertex, dfsFinishedVertex, dfsEdgeFound); dfsVisit(vertex, dfsFinishedVertex, dfsEdgeFound);
@ -407,12 +410,6 @@ public class StateDescriptorGraph {
dotOut.append("}\n"); dotOut.append("}\n");
} }
// TODO: Replace with java.util.function.Consumer<GraphVertex<E>> once Smack's minimum Android SDK level is 24 or higher.
private interface DfsFinishedVertex<E> {
void onVertexFinished(GraphVertex<E> vertex);
}
// TODO: Replace with java.util.function.Consumer<GraphVertex<E>> once Smack's minimum Android SDK level is 24 or higher.
private interface DfsEdgeFound<E> { private interface DfsEdgeFound<E> {
void onEdgeFound(GraphVertex<E> from, GraphVertex<E> to, int edgeId, int totalEdgeCount); void onEdgeFound(GraphVertex<E> from, GraphVertex<E> to, int edgeId, int totalEdgeCount);
} }

24
smack-core/src/main/java/org/jivesoftware/smack/util/Consumer.java Normal file
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@ -0,0 +1,24 @@
/**
*
* Copyright 2019 Florian Schmaus
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smack.util;
// TODO: Replace with java.util.function.Consumer once Smack's minimum Android SDK level is 24 or higher.
public interface Consumer<T> {
void accept(T t);
}