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

Example 36 with EdgeLabel

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

the class TextSerializer method readEdgeLabel.

@Override
public EdgeLabel readEdgeLabel(HugeGraph graph, BackendEntry backendEntry) {
    if (backendEntry == null) {
        return null;
    }
    TextBackendEntry entry = this.convertEntry(backendEntry);
    Id id = readId(entry.id());
    String name = JsonUtil.fromJson(entry.column(HugeKeys.NAME), String.class);
    String sourceLabel = entry.column(HugeKeys.SOURCE_LABEL);
    String targetLabel = entry.column(HugeKeys.TARGET_LABEL);
    String frequency = entry.column(HugeKeys.FREQUENCY);
    String sortKeys = entry.column(HugeKeys.SORT_KEYS);
    String nullablekeys = entry.column(HugeKeys.NULLABLE_KEYS);
    String properties = entry.column(HugeKeys.PROPERTIES);
    String indexLabels = entry.column(HugeKeys.INDEX_LABELS);
    String enableLabelIndex = entry.column(HugeKeys.ENABLE_LABEL_INDEX);
    String status = entry.column(HugeKeys.STATUS);
    String ttl = entry.column(HugeKeys.TTL);
    String ttlStartTime = entry.column(HugeKeys.TTL_START_TIME);
    EdgeLabel edgeLabel = new EdgeLabel(graph, id, name);
    edgeLabel.sourceLabel(readId(sourceLabel));
    edgeLabel.targetLabel(readId(targetLabel));
    edgeLabel.frequency(JsonUtil.fromJson(frequency, Frequency.class));
    edgeLabel.properties(readIds(properties));
    edgeLabel.sortKeys(readIds(sortKeys));
    edgeLabel.nullableKeys(readIds(nullablekeys));
    edgeLabel.addIndexLabels(readIds(indexLabels));
    edgeLabel.enableLabelIndex(JsonUtil.fromJson(enableLabelIndex, Boolean.class));
    readUserdata(edgeLabel, entry);
    edgeLabel.status(JsonUtil.fromJson(status, SchemaStatus.class));
    edgeLabel.ttl(JsonUtil.fromJson(ttl, Long.class));
    edgeLabel.ttlStartTime(readId(ttlStartTime));
    return edgeLabel;
}

Example 37 with EdgeLabel

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

the class SchemaTransaction method removeEdgeLabel.

@Watched(prefix = "schema")
public Id removeEdgeLabel(Id id) {
    LOG.debug("SchemaTransaction remove edge label '{}'", id);
    SchemaJob callable = new EdgeLabelRemoveJob();
    EdgeLabel schema = this.getEdgeLabel(id);
    return asyncRun(this.graph(), schema, callable);
}

Example 38 with EdgeLabel

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

the class EdgeLabelBuilder method create.

@Override
public EdgeLabel create() {
    HugeType type = HugeType.EDGE_LABEL;
    this.checkSchemaName(this.name);
    return this.lockCheckAndCreateSchema(type, this.name, name -> {
        EdgeLabel edgeLabel = this.edgeLabelOrNull(this.name);
        if (edgeLabel != null) {
            if (this.checkExist || !hasSameProperties(edgeLabel)) {
                throw new ExistedException(type, this.name);
            }
            return edgeLabel;
        }
        this.checkSchemaIdIfRestoringMode(type, this.id);
        // These methods will check params and fill to member variables
        this.checkRelation();
        this.checkProperties(Action.INSERT);
        this.checkSortKeys();
        this.checkNullableKeys(Action.INSERT);
        Userdata.check(this.userdata, Action.INSERT);
        this.checkTtl();
        this.checkUserdata(Action.INSERT);
        edgeLabel = this.build();
        assert edgeLabel.name().equals(name);
        this.graph().addEdgeLabel(edgeLabel);
        return edgeLabel;
    });
}

Example 39 with EdgeLabel

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

the class EdgeLabelBuilder method eliminate.

@Override
public EdgeLabel eliminate() {
    EdgeLabel edgeLabel = this.edgeLabelOrNull(this.name);
    if (edgeLabel == null) {
        throw new NotFoundException("Can't update edge label '%s' " + "since it doesn't exist", this.name);
    }
    // Only allowed to eliminate user data
    this.checkStableVars();
    this.checkProperties(Action.ELIMINATE);
    this.checkNullableKeys(Action.ELIMINATE);
    Userdata.check(this.userdata, Action.ELIMINATE);
    edgeLabel.removeUserdata(this.userdata);
    this.graph().addEdgeLabel(edgeLabel);
    return edgeLabel;
}

Example 40 with EdgeLabel

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

the class EdgeLabelBuilder method build.

@Override
public EdgeLabel build() {
    Id id = this.validOrGenerateId(HugeType.EDGE_LABEL, this.id, this.name);
    HugeGraph graph = this.graph();
    EdgeLabel edgeLabel = new EdgeLabel(graph, id, this.name);
    edgeLabel.sourceLabel(graph.vertexLabel(this.sourceLabel).id());
    edgeLabel.targetLabel(graph.vertexLabel(this.targetLabel).id());
    edgeLabel.frequency(this.frequency == Frequency.DEFAULT ? Frequency.SINGLE : this.frequency);
    edgeLabel.ttl(this.ttl);
    if (this.ttlStartTime != null) {
        edgeLabel.ttlStartTime(this.graph().propertyKey(this.ttlStartTime).id());
    }
    edgeLabel.enableLabelIndex(this.enableLabelIndex == null || this.enableLabelIndex);
    for (String key : this.properties) {
        PropertyKey propertyKey = graph.propertyKey(key);
        edgeLabel.property(propertyKey.id());
    }
    for (String key : this.sortKeys) {
        PropertyKey propertyKey = graph.propertyKey(key);
        edgeLabel.sortKey(propertyKey.id());
    }
    for (String key : this.nullableKeys) {
        PropertyKey propertyKey = graph.propertyKey(key);
        edgeLabel.nullableKey(propertyKey.id());
    }
    edgeLabel.userdata(this.userdata);
    return edgeLabel;
}