本文整理汇总了Java中org.apache.tinkerpop.gremlin.process.computer.Messenger类的典型用法代码示例。如果您正苦于以下问题:Java Messenger类的具体用法?Java Messenger怎么用?Java Messenger使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Messenger类属于org.apache.tinkerpop.gremlin.process.computer包,在下文中一共展示了Messenger类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<PathMessage> messenger, final Memory memory) {
if (memory.isInitialIteration()) {
// The type of id will likely have to change as we support more and more vendors
String id = getVertexId(vertex);
if (persistentProperties.get(SOURCE).equals(id)) {
LOGGER.debug("Found source vertex");
vertex.property(VISITED_IN_ITERATION, 1);
sendMessage(messenger, PathMessage.of(FROM_SOURCE, id));
} else if (persistentProperties.get(DESTINATION).equals(id)) {
LOGGER.debug("Found destination vertex");
vertex.property(VISITED_IN_ITERATION, -1);
sendMessage(messenger, PathMessage.of(FROM_DESTINATION, id));
}
} else {
if (memory.<Boolean>get(FOUND_PATH)) {
if (messenger.receiveMessages().hasNext() && vertex.property(VISITED_IN_ITERATION).isPresent()) {
recordPredecessors(vertex, messenger, memory);
}
} else if (messenger.receiveMessages().hasNext()) {
updateInstance(vertex, messenger, memory);
}
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:25,代码来源:ShortestPathVertexProgram.java
示例2: updateEntityAndAttribute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private void updateEntityAndAttribute(Vertex vertex, Messenger<String> messenger, Memory memory) {
if (vertex.property(CLUSTER_LABEL).isPresent()) {
String id = vertex.value(Schema.VertexProperty.ID.name());
int messageCount = getMessageCount(messenger, id) +
(vertex.property(IMPLICIT_MESSAGE_COUNT).isPresent() ?
(int) vertex.value(IMPLICIT_MESSAGE_COUNT) : 0);
if (messageCount >= k) {
LOGGER.trace("Sending msg from " + id);
sendMessage(messenger, id);
memory.add(K_CORE_EXIST, true);
} else {
LOGGER.trace("Removing label of " + id);
vertex.property(CLUSTER_LABEL).remove();
memory.add(K_CORE_STABLE, false);
}
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:19,代码来源:KCoreVertexProgram.java
示例3: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<Long> messenger, final Memory memory) {
switch (memory.getIteration()) {
case 0:
degreeStatisticsStepResourceOwner(vertex, messenger, ofLabelIds);
break;
case 1:
degreeStatisticsStepResourceRelation(vertex, messenger, ofLabelIds);
break;
case 2:
degreeStatisticsStepResource(vertex, messenger, ofLabelIds);
break;
default:
throw CommonUtil.unreachableStatement("Exceeded expected maximum number of iterations");
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:17,代码来源:DegreeStatisticsVertexProgram.java
示例4: execute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void execute(final Vertex vertex, Messenger<Double> messenger, final Memory memory) {
if (memory.isInitialIteration()) {
messenger.sendMessage(this.countMessageScope, 1.0d);
} else if (1 == memory.getIteration()) {
double initialPageRank = (null == this.initialRankTraversal ?
1.0d :
TraversalUtil.apply(vertex, this.initialRankTraversal.get()).doubleValue()) / this.vertexCountAsDouble;
double edgeCount = IteratorUtils.reduce(messenger.receiveMessages(), 0.0d, (a, b) -> a + b);
vertex.property(VertexProperty.Cardinality.single, this.property, initialPageRank);
vertex.property(VertexProperty.Cardinality.single, EDGE_COUNT, edgeCount);
if (!this.terminate(memory)) // don't send messages if this is the last iteration
messenger.sendMessage(this.incidentMessageScope, initialPageRank / edgeCount);
} else {
double newPageRank = IteratorUtils.reduce(messenger.receiveMessages(), 0.0d, (a, b) -> a + b);
newPageRank = (this.alpha * newPageRank) + ((1.0d - this.alpha) / this.vertexCountAsDouble);
vertex.property(VertexProperty.Cardinality.single, this.property, newPageRank);
if (!this.terminate(memory)) // don't send messages if this is the last iteration
messenger.sendMessage(this.incidentMessageScope, newPageRank / vertex.<Double>value(EDGE_COUNT));
}
}
开发者ID:PKUSilvester,项目名称:LiteGraph,代码行数:22,代码来源:PageRankVertexProgram.java
示例5: execute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void execute(Vertex vertex, Messenger<Double> messenger, Memory memory) {
if (memory.isInitialIteration()) {
messenger.sendMessage(inE, 1D);
} else if (1 == memory.getIteration()) {
double initialPageRank = 1D / vertexCount;
double edgeCount = IteratorUtils.stream(messenger.receiveMessages()).reduce(0D, (a, b) -> a + b);
vertex.property(VertexProperty.Cardinality.single, PAGE_RANK, initialPageRank);
vertex.property(VertexProperty.Cardinality.single, OUTGOING_EDGE_COUNT, edgeCount);
messenger.sendMessage(outE, initialPageRank / edgeCount);
} else {
double newPageRank = IteratorUtils.stream(messenger.receiveMessages()).reduce(0D, (a, b) -> a + b);
newPageRank = (dampingFactor * newPageRank) + ((1D - dampingFactor) / vertexCount);
vertex.property(VertexProperty.Cardinality.single, PAGE_RANK, newPageRank);
messenger.sendMessage(outE, newPageRank / vertex.<Double>value(OUTGOING_EDGE_COUNT));
}
}
开发者ID:graben1437,项目名称:titan1withtp3.1,代码行数:18,代码来源:PageRankVertexProgram.java
示例6: getPredecessors
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private static Map<String, Set<String>> getPredecessors(Vertex vertex, Messenger<PathMessage> messenger) {
Set<String> predecessors = new HashSet<>();
Iterator<PathMessage> iterator = messenger.receiveMessages();
while (iterator.hasNext()) {
PathMessage message = iterator.next();
if (message.direction() == FROM_MIDDLE) {
predecessors.add(message.id());
}
}
if (predecessors.isEmpty()) return Collections.emptyMap();
Map<String, Set<String>> predecessorMap = new HashMap<>();
predecessorMap.put(getVertexId(vertex), predecessors);
return predecessorMap;
}
开发者ID:graknlabs,项目名称:grakn,代码行数:16,代码来源:ShortestPathVertexProgram.java
示例7: execute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void execute(Vertex vertex, Messenger<T> messenger, Memory memory) {
// try to deal with ghost vertex issues by ignoring them
if (Utility.isAlive(vertex)) {
safeExecute(vertex, messenger, memory);
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:8,代码来源:GraknVertexProgram.java
示例8: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<String> messenger, final Memory memory) {
if (memory.isInitialIteration()) {
String id = vertex.value(Schema.VertexProperty.ID.name());
vertex.property(CLUSTER_LABEL, id);
messenger.sendMessage(messageScopeIn, id);
messenger.sendMessage(messageScopeOut, id);
} else {
updateClusterLabel(vertex, messenger, memory);
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:12,代码来源:ConnectedComponentsVertexProgram.java
示例9: updateClusterLabel
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private static void updateClusterLabel(Vertex vertex, Messenger<String> messenger, Memory memory) {
String currentMax = vertex.value(CLUSTER_LABEL);
String max = IteratorUtils.reduce(messenger.receiveMessages(), currentMax,
(a, b) -> a.compareTo(b) > 0 ? a : b);
if (max.compareTo(currentMax) > 0) {
vertex.property(CLUSTER_LABEL, max);
messenger.sendMessage(messageScopeIn, max);
messenger.sendMessage(messageScopeOut, max);
memory.add(VOTE_TO_HALT, false);
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:12,代码来源:ConnectedComponentsVertexProgram.java
示例10: relayOrSaveMessages
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private static void relayOrSaveMessages(Vertex vertex, Messenger<String> messenger) {
if (messenger.receiveMessages().hasNext()) {
if (vertex.label().equals(Schema.BaseType.RELATIONSHIP.name())) {
// relay the messages
messenger.receiveMessages().forEachRemaining(msg -> sendMessage(messenger, msg));
} else if ((vertex.label().equals(Schema.BaseType.ENTITY.name()) ||
vertex.label().equals(Schema.BaseType.ATTRIBUTE.name())) &&
vertex.property(CLUSTER_LABEL).isPresent()) {
// messages received via implicit edge, save the count for next iteration
vertex.property(IMPLICIT_MESSAGE_COUNT, Iterators.size(messenger.receiveMessages()));
}
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:14,代码来源:KCoreVertexProgram.java
示例11: updateClusterLabel
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private static void updateClusterLabel(Vertex vertex, Messenger<String> messenger, Memory memory) {
String currentMax = vertex.value(CLUSTER_LABEL);
String max = IteratorUtils.reduce(messenger.receiveMessages(), currentMax,
(a, b) -> a.compareTo(b) > 0 ? a : b);
if (!max.equals(currentMax)) {
LOGGER.trace("Cluster label of " + vertex + " changed from " + currentMax + " to " + max);
vertex.property(CLUSTER_LABEL, max);
sendMessage(messenger, max);
memory.add(VOTE_TO_HALT, false);
} else {
LOGGER.trace("Cluster label of " + vertex + " is still " + currentMax);
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:14,代码来源:KCoreVertexProgram.java
示例12: relayClusterLabel
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
private static void relayClusterLabel(Messenger<String> messenger, Memory memory) {
String firstMessage = messenger.receiveMessages().next();
String max = IteratorUtils.reduce(messenger.receiveMessages(), firstMessage,
(a, b) -> a.compareTo(b) > 0 ? a : b);
sendMessage(messenger, max);
memory.add(VOTE_TO_HALT, false);
}
开发者ID:graknlabs,项目名称:grakn,代码行数:8,代码来源:KCoreVertexProgram.java
示例13: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<Long> messenger, final Memory memory) {
switch (memory.getIteration()) {
case 0:
degreeMessagePassing(messenger);
break;
case 1:
degreeMessageCounting(messenger, vertex);
break;
default:
throw CommonUtil.unreachableStatement("Exceeded expected maximum number of iterations");
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:14,代码来源:DegreeVertexProgram.java
示例14: degreeStatisticsStepResourceOwner
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
static void degreeStatisticsStepResourceOwner(Vertex vertex, Messenger<Long> messenger, Set<LabelId> ofLabelIds) {
LabelId labelId = Utility.getVertexTypeId(vertex);
if (labelId.isValid() && !ofLabelIds.contains(labelId)) {
messenger.sendMessage(messageScopeShortcutIn, 1L);
messenger.sendMessage(messageScopeResourceOut, 1L);
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:8,代码来源:DegreeStatisticsVertexProgram.java
示例15: degreeStatisticsStepResourceRelation
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
static void degreeStatisticsStepResourceRelation(Vertex vertex, Messenger<Long> messenger, Set<LabelId> ofLabelIds) {
if (messenger.receiveMessages().hasNext()) {
if (vertex.label().equals(Schema.BaseType.RELATIONSHIP.name())) {
messenger.sendMessage(messageScopeOut, 1L);
} else if (ofLabelIds.contains(Utility.getVertexTypeId(vertex))) {
vertex.property(DEGREE, getMessageCount(messenger));
}
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:10,代码来源:DegreeStatisticsVertexProgram.java
示例16: degreeStatisticsStepResource
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
static void degreeStatisticsStepResource(Vertex vertex, Messenger<Long> messenger,
Set<LabelId> ofLabelIds) {
if (vertexHasSelectedTypeId(vertex, ofLabelIds)) {
vertex.property(DEGREE, vertex.property(DEGREE).isPresent() ?
getMessageCount(messenger) + (Long) vertex.value(DEGREE) : getMessageCount(messenger));
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:8,代码来源:DegreeStatisticsVertexProgram.java
示例17: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<Boolean> messenger, final Memory memory) {
if (memory.isInitialIteration()) {
if (vertex.<String>value(Schema.VertexProperty.ID.name()).equals(persistentProperties.get(SOURCE))) {
update(vertex, messenger, memory, (String) persistentProperties.get(SOURCE));
}
} else {
if (messenger.receiveMessages().hasNext() && !vertex.property(CLUSTER_LABEL).isPresent()) {
update(vertex, messenger, memory, (String) persistentProperties.get(SOURCE));
}
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:13,代码来源:ConnectedComponentVertexProgram.java
示例18: safeExecute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void safeExecute(final Vertex vertex, Messenger<Long> messenger, final Memory memory) {
switch (memory.getIteration()) {
case 0:
messenger.sendMessage(messageScopeOut, 1L);
break;
case 1:
if (messenger.receiveMessages().hasNext()) {
vertex.property(EDGE_COUNT, getMessageCount(messenger));
}
break;
default:
throw CommonUtil.unreachableStatement("Exceeded expected maximum number of iterations");
}
}
开发者ID:graknlabs,项目名称:grakn,代码行数:16,代码来源:CountVertexProgram.java
示例19: execute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void execute(final Vertex sourceVertex, final Messenger<Tuple> messenger, final Memory memory) {
try {
executeInternal(sourceVertex, messenger, memory);
} catch (Exception e) {
if (graph.features().graph().supportsTransactions()) {
graph.tx().rollback();
}
throw e;
}
}
开发者ID:PKUSilvester,项目名称:LiteGraph,代码行数:12,代码来源:BulkLoaderVertexProgram.java
示例20: execute
import org.apache.tinkerpop.gremlin.process.computer.Messenger; //导入依赖的package包/类
@Override
public void execute(final Vertex vertex, final Messenger messenger, final Memory memory) {
assertFalse(memory.exists(TraversalVertexProgram.HALTED_TRAVERSERS));
final TraverserGenerator generator = this.traversal.get().getTraverserGenerator();
MemoryTraversalSideEffects.setMemorySideEffects(this.traversal.get(), memory, ProgramPhase.EXECUTE);
this.checkSideEffects();
final TraverserSet<Vertex> activeTraversers = memory.get(TraversalVertexProgram.ACTIVE_TRAVERSERS);
if (vertex.label().equals("software")) {
assertEquals(1, activeTraversers.stream().filter(v -> v.get().equals(vertex)).count());
if (memory.isInitialIteration()) {
assertFalse(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
vertex.property(
TraversalVertexProgram.HALTED_TRAVERSERS,
new TraverserSet<>(generator.generate(vertex.value("name"), this.programStep, 1l)));
} else {
assertTrue(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
}
} else {
assertFalse(vertex.property(TraversalVertexProgram.HALTED_TRAVERSERS).isPresent());
assertEquals(0, activeTraversers.stream().filter(v -> v.get().equals(vertex)).count());
if (!memory.isInitialIteration()) {
if (vertex.value("name").equals("marko"))
memory.add(TraversalVertexProgram.HALTED_TRAVERSERS, new TraverserSet<>(generator.generate("marko-is-my-name", this.programStep, 1l)));
else if (vertex.value("name").equals("vadas"))
this.traversal.get().getSideEffects().add(TraversalVertexProgram.HALTED_TRAVERSERS, new TraverserSet<>(generator.generate("the-v-o-double-g", this.programStep, 1l)));
}
}
}
开发者ID:PKUSilvester,项目名称:LiteGraph,代码行数:29,代码来源:ProgramTest.java
注:本文中的org.apache.tinkerpop.gremlin.process.computer.Messenger类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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