Example usage for org.apache.commons.configuration Configuration containsKey

Introduction

In this page you can find the example usage for org.apache.commons.configuration Configuration containsKey.

Prototype

boolean containsKey(String key);

Source Link

Document

Check if the configuration contains the specified key.

Usage

From source file:org.apache.tinkerpop.gremlin.process.computer.bulkloading.OneTimeBulkLoader.java

/**
 * {@inheritDoc}//w  ww  . j  a v  a  2  s .c  o m
 */
@Override
public void configure(final Configuration configuration) {
    if (configuration.containsKey(BulkLoaderVertexProgram.USER_SUPPLIED_IDS_CFG_KEY)) {
        userSuppliedIds = configuration.getBoolean(BulkLoaderVertexProgram.USER_SUPPLIED_IDS_CFG_KEY);
    }
}

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From source file:org.apache.tinkerpop.gremlin.process.computer.clustering.peerpressure.PeerPressureVertexProgram.java

@Override
public void loadState(final Graph graph, final Configuration configuration) {
    if (configuration.containsKey(EDGE_TRAVERSAL)) {
        this.edgeTraversal = PureTraversal.loadState(configuration, EDGE_TRAVERSAL, graph);
        this.voteScope = MessageScope.Local.of(() -> this.edgeTraversal.get().clone());
        this.countScope = MessageScope.Local
                .of(new MessageScope.Local.ReverseTraversalSupplier(this.voteScope));
    }/*from w w w.  ja  va 2s. c  om*/
    this.property = configuration.getString(PROPERTY, CLUSTER);
    this.maxIterations = configuration.getInt(MAX_ITERATIONS, 30);
    this.distributeVote = configuration.getBoolean(DISTRIBUTE_VOTE, false);
}

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From source file:org.apache.tinkerpop.gremlin.process.computer.lambda.LambdaVertexProgram.java

@Override
public void loadState(final Configuration configuration) {
    this.setupLambdaHolder = LambdaHolder.loadState(configuration, SETUP_LAMBDA);
    this.executeLambdaHolder = LambdaHolder.loadState(configuration, EXECUTE_LAMBDA);
    this.terminateLambdaHolder = LambdaHolder.loadState(configuration, TERMINATE_LAMBDA);
    this.setupLambda = null == this.setupLambdaHolder ? s -> {
    } : this.setupLambdaHolder.get();
    this.executeLambda = null == this.executeLambdaHolder ? (v, m, s) -> {
    } : this.executeLambdaHolder.get();
    this.terminateLambda = null == this.terminateLambdaHolder ? s -> true : this.terminateLambdaHolder.get();

    try {//from   www . jav  a2 s  .com
        this.elementComputeKeys = configuration.containsKey(ELEMENT_COMPUTE_KEYS)
                ? VertexProgramHelper.deserialize(configuration, ELEMENT_COMPUTE_KEYS)
                : Collections.emptySet();
        this.memoryComputeKeys = configuration.containsKey(MEMORY_COMPUTE_KEYS)
                ? VertexProgramHelper.deserialize(configuration, MEMORY_COMPUTE_KEYS)
                : Collections.emptySet();
    } catch (Exception e) {
        throw new IllegalStateException(e.getMessage(), e);
    }
}

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From source file:org.apache.tinkerpop.gremlin.process.computer.ranking.pagerank.PageRankVertexProgram.java

@Override
public void loadState(final Graph graph, final Configuration configuration) {
    if (configuration.containsKey(INITIAL_RANK_TRAVERSAL))
        this.initialRankTraversal = PureTraversal.loadState(configuration, INITIAL_RANK_TRAVERSAL, graph);
    if (configuration.containsKey(EDGE_TRAVERSAL)) {
        this.edgeTraversal = PureTraversal.loadState(configuration, EDGE_TRAVERSAL, graph);
        this.incidentMessageScope = MessageScope.Local.of(() -> this.edgeTraversal.get().clone());
        this.countMessageScope = MessageScope.Local
                .of(new MessageScope.Local.ReverseTraversalSupplier(this.incidentMessageScope));
    }/*  w  ww.  ja v a 2 s.  c o m*/
    this.vertexCountAsDouble = configuration.getDouble(VERTEX_COUNT, 1.0d);
    this.alpha = configuration.getDouble(ALPHA, 0.85d);
    this.totalIterations = configuration.getInt(TOTAL_ITERATIONS, 30);
    this.property = configuration.getString(PROPERTY, PAGE_RANK);
    this.vertexComputeKeys = new HashSet<>(
            Arrays.asList(VertexComputeKey.of(this.property, false), VertexComputeKey.of(EDGE_COUNT, true)));
}

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From source file:org.apache.tinkerpop.gremlin.process.computer.traversal.TraversalVertexProgram.java

@Override
public void loadState(final Graph graph, final Configuration configuration) {
    if (!configuration.containsKey(TRAVERSAL))
        throw new IllegalArgumentException("The configuration does not have a traversal: " + TRAVERSAL);
    this.traversal = PureTraversal.loadState(configuration, TRAVERSAL, graph);
    if (!this.traversal.get().isLocked())
        this.traversal.get().applyStrategies();
    /// traversal is compiled and ready to be introspected
    this.traversalMatrix = new TraversalMatrix<>(this.traversal.get());
    // if results will be serialized out, don't save halted traversers across the cluster
    this.keepDistributedHaltedTraversers = !(this.traversal.get().getParent().asStep()
            .getNextStep() instanceof ComputerResultStep || // if its just going to stream it out, don't distribute
            this.traversal.get().getParent().asStep().getNextStep() instanceof EmptyStep); // same as above, but if using TraversalVertexProgramStep directly
    // register traversal side-effects in memory
    final TraversalSideEffects sideEffects = ((MemoryTraversalSideEffects) this.traversal.get()
            .getSideEffects()).getSideEffects();
    sideEffects.keys().forEach(key -> this.memoryComputeKeys
            .add(MemoryComputeKey.of(key, sideEffects.getReducer(key), true, false)));
    // register MapReducer memory compute keys
    this.memoryComputeKeys.add(MemoryComputeKey.of(VOTE_TO_HALT, Operator.and, false, true));
    for (final MapReducer<?, ?, ?, ?, ?> mapReducer : TraversalHelper
            .getStepsOfAssignableClassRecursively(MapReducer.class, this.traversal.get())) {
        this.mapReducers.add(mapReducer.getMapReduce());
        this.memoryComputeKeys.add(
                MemoryComputeKey.of(mapReducer.getMapReduce().getMemoryKey(), Operator.assign, false, false));
    }/* w  w  w. jav a2 s  .com*/
    // register memory computing steps that use memory compute keys
    for (final MemoryComputing<?> memoryComputing : TraversalHelper
            .getStepsOfAssignableClassRecursively(MemoryComputing.class, this.traversal.get())) {
        this.memoryComputeKeys.add(memoryComputing.getMemoryComputeKey());
    }
    // register TraversalVertexProgram specific memory compute keys
    this.memoryComputeKeys.add(MemoryComputeKey.of(HALTED_TRAVERSERS, Operator.addAll, false,
            this.keepDistributedHaltedTraversers)); // only keep if it will be preserved
    this.memoryComputeKeys.add(MemoryComputeKey.of(ACTIVE_TRAVERSERS, Operator.addAll, true, true));
    this.memoryComputeKeys.add(MemoryComputeKey.of(MUTATED_MEMORY_KEYS, Operator.addAll, false, true));
    this.memoryComputeKeys.add(MemoryComputeKey.of(COMPLETED_BARRIERS, Operator.addAll, true, true));
}

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From source file:org.apache.tinkerpop.gremlin.process.computer.util.LambdaHolder.java

public static <T> LambdaHolder<T> loadState(final Configuration configuration, final String configKeyPrefix) {
    if (!configuration.containsKey(configKeyPrefix.concat(DOT_TYPE)))
        return null;
    if (!configuration.containsKey(configKeyPrefix.concat(DOT_OBJECT)))
        return null;

    final LambdaHolder<T> lambdaHolder = new LambdaHolder<>();
    lambdaHolder.configKeyPrefix = configKeyPrefix;
    lambdaHolder.type = Type.valueOf(configuration.getString(lambdaHolder.configKeyPrefix.concat(DOT_TYPE)));
    if (lambdaHolder.type.equals(Type.OBJECT)) {
        lambdaHolder.configObject = configuration.getProperty(lambdaHolder.configKeyPrefix.concat(DOT_OBJECT));
        lambdaHolder.realObject = lambdaHolder.configObject;
    } else if (lambdaHolder.type.equals(Type.SERIALIZED_OBJECT)) {
        lambdaHolder.configObject = VertexProgramHelper.deserialize(configuration,
                lambdaHolder.configKeyPrefix.concat(DOT_OBJECT));
        lambdaHolder.realObject = lambdaHolder.configObject;
    } else if (lambdaHolder.type.equals(Type.CLASS)) {
        try {/*from  w  w w  .j a  v  a  2  s. c  o  m*/
            final Class klass = (Class) Class
                    .forName(configuration.getString(lambdaHolder.configKeyPrefix.concat(DOT_OBJECT)));
            lambdaHolder.configObject = klass;
            lambdaHolder.realObject = klass.newInstance();
        } catch (final Exception e) {
            throw new IllegalStateException(e.getMessage(), e);
        }
    } else { // SCRIPT
        final String[] script = VertexProgramHelper.deserialize(configuration,
                lambdaHolder.configKeyPrefix.concat(DOT_OBJECT));
        lambdaHolder.configObject = script;
        lambdaHolder.realObject = new ScriptEngineLambda(script[0], script[1]);
    }
    return lambdaHolder;
}

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From source file:org.apache.tinkerpop.gremlin.process.remote.RemoteGraph.java

/**
 * Creates a new {@link RemoteGraph} instance using the specified configuration, which allows {@link RemoteGraph}
 * to be compliant with {@link GraphFactory}. Expects key for {@link #GREMLIN_REMOTE_GRAPH_REMOTE_CONNECTION_CLASS}
 * as well as any configuration required by the underlying {@link RemoteConnection} which will be instantiated.
 * Note that the {@code Configuration} object is passed down without change to the creation of the
 * {@link RemoteConnection} instance./*from www . j ava 2 s.c om*/
 */
public static RemoteGraph open(final Configuration conf) {
    if (!conf.containsKey(GREMLIN_REMOTE_GRAPH_REMOTE_CONNECTION_CLASS))
        throw new IllegalArgumentException(
                "Configuration must contain the '" + GREMLIN_REMOTE_GRAPH_REMOTE_CONNECTION_CLASS + "' key");

    final RemoteConnection remoteConnection;
    try {
        final Class<? extends RemoteConnection> clazz = Class
                .forName(conf.getString(GREMLIN_REMOTE_GRAPH_REMOTE_CONNECTION_CLASS))
                .asSubclass(RemoteConnection.class);
        final Constructor<? extends RemoteConnection> ctor = clazz.getConstructor(Configuration.class);
        remoteConnection = ctor.newInstance(conf);
    } catch (Exception ex) {
        throw new IllegalStateException(ex);
    }

    return new RemoteGraph(remoteConnection);
}

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From source file:org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.ElementIdStrategy.java

public static ElementIdStrategy create(final Configuration configuration) {
    final ElementIdStrategy.Builder builder = ElementIdStrategy.build();
    if (configuration.containsKey(ID_MAKER))
        builder.idMaker((Supplier) configuration.getProperty(ID_MAKER));
    if (configuration.containsKey(ID_PROPERTY_KEY))
        builder.idPropertyKey(configuration.getString(ID_PROPERTY_KEY));
    return builder.create();
}

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From source file:org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.PartitionStrategy.java

public static PartitionStrategy create(final Configuration configuration) {
    final PartitionStrategy.Builder builder = PartitionStrategy.build();
    if (configuration.containsKey(INCLUDE_META_PROPERTIES))
        builder.includeMetaProperties(configuration.getBoolean(INCLUDE_META_PROPERTIES));
    if (configuration.containsKey(WRITE_PARTITION))
        builder.writePartition(configuration.getString(WRITE_PARTITION));
    if (configuration.containsKey(PARTITION_KEY))
        builder.partitionKey(configuration.getString(PARTITION_KEY));
    if (configuration.containsKey(READ_PARTITIONS))
        builder.readPartitions(new ArrayList((Collection) configuration.getProperty(READ_PARTITIONS)));
    return builder.create();
}

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From source file:org.apache.tinkerpop.gremlin.process.traversal.strategy.decoration.SubgraphStrategy.java

public static SubgraphStrategy create(final Configuration configuration) {
    final Builder builder = SubgraphStrategy.build();
    if (configuration.containsKey(VERTICES))
        builder.vertices((Traversal) configuration.getProperty(VERTICES));
    if (configuration.containsKey(EDGES))
        builder.edges((Traversal) configuration.getProperty(EDGES));
    if (configuration.containsKey(VERTEX_PROPERTIES))
        builder.vertexProperties((Traversal) configuration.getProperty(VERTEX_PROPERTIES));
    return builder.create();
}

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