Examples with PropertyKey com.baidu.hugegraph.schema.PropertyKey used on opensource projects

Example 1 with PropertyKey

use of com.baidu.hugegraph.schema.PropertyKey in project incubator-hugegraph by apache.

the class SchemaDefine method createPropertyKey.

protected String createPropertyKey(String name, DataType dataType, Cardinality cardinality) {
    SchemaManager schema = this.schema();
    PropertyKey propertyKey = schema.propertyKey(name).dataType(dataType).cardinality(cardinality).build();
    this.graph.schemaTransaction().addPropertyKey(propertyKey);
    return name;
}

Example 2 with PropertyKey

use of com.baidu.hugegraph.schema.PropertyKey in project incubator-hugegraph by apache.

the class StandardHugeGraph method propertyKey.

@Override
public PropertyKey propertyKey(Id id) {
    PropertyKey pk = this.schemaTransaction().getPropertyKey(id);
    E.checkArgument(pk != null, "Undefined property key with id: '%s'", id);
    return pk;
}

Example 3 with PropertyKey

use of com.baidu.hugegraph.schema.PropertyKey in project incubator-hugegraph by apache.

the class StandardHugeGraph method propertyKey.

@Override
public PropertyKey propertyKey(String name) {
    PropertyKey pk = this.schemaTransaction().getPropertyKey(name);
    E.checkArgument(pk != null, "Undefined property key: '%s'", name);
    return pk;
}

Example 4 with PropertyKey

use of com.baidu.hugegraph.schema.PropertyKey in project incubator-hugegraph by apache.

the class ServerInfoManager method serverInfos.

private Iterator<HugeServerInfo> serverInfos(Map<String, Object> conditions, long limit, String page) {
    return this.call(() -> {
        ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
        if (page != null) {
            query.page(page);
        }
        HugeGraph graph = this.graph.graph();
        VertexLabel vl = graph.vertexLabel(HugeServerInfo.P.SERVER);
        query.eq(HugeKeys.LABEL, vl.id());
        for (Map.Entry<String, Object> entry : conditions.entrySet()) {
            PropertyKey pk = graph.propertyKey(entry.getKey());
            query.query(Condition.eq(pk.id(), entry.getValue()));
        }
        query.showHidden(true);
        if (limit != NO_LIMIT) {
            query.limit(limit);
        }
        Iterator<Vertex> vertices = this.tx().queryVertices(query);
        Iterator<HugeServerInfo> servers = new MapperIterator<>(vertices, HugeServerInfo::fromVertex);
        // Convert iterator to list to avoid across thread tx accessed
        return QueryResults.toList(servers);
    });
}

Example 5 with PropertyKey

use of com.baidu.hugegraph.schema.PropertyKey in project incubator-hugegraph by apache.

the class StandardTaskScheduler method queryTask.

private <V> Iterator<HugeTask<V>> queryTask(Map<String, Object> conditions, long limit, String page) {
    return this.call(() -> {
        ConditionQuery query = new ConditionQuery(HugeType.VERTEX);
        if (page != null) {
            query.page(page);
        }
        VertexLabel vl = this.graph().vertexLabel(P.TASK);
        query.eq(HugeKeys.LABEL, vl.id());
        for (Map.Entry<String, Object> entry : conditions.entrySet()) {
            PropertyKey pk = this.graph().propertyKey(entry.getKey());
            query.query(Condition.eq(pk.id(), entry.getValue()));
        }
        query.showHidden(true);
        if (limit != NO_LIMIT) {
            query.limit(limit);
        }
        Iterator<Vertex> vertices = this.tx().queryVertices(query);
        Iterator<HugeTask<V>> tasks = new MapperIterator<>(vertices, HugeTask::fromVertex);
        // Convert iterator to list to avoid across thread tx accessed
        return QueryResults.toList(tasks);
    });
}