Examples with MapValueBuilder org.neo4j.values.virtual.MapValueBuilder used on opensource projects

Example 6 with MapValueBuilder

use of org.neo4j.values.virtual.MapValueBuilder in project neo4j by neo4j.

the class ExecutionPlanConverter method convert.

public static MapValue convert(ExecutionPlanDescription plan) {
    boolean hasProfilerStatistics = plan.hasProfilerStatistics();
    int size = hasProfilerStatistics ? 10 : 4;
    MapValueBuilder out = new MapValueBuilder(size);
    out.add("operatorType", utf8Value(plan.getName()));
    out.add("args", ValueUtils.asMapValue(plan.getArguments()));
    out.add("identifiers", ValueUtils.asListValue(plan.getIdentifiers()));
    out.add("children", children(plan));
    if (hasProfilerStatistics) {
        ExecutionPlanDescription.ProfilerStatistics profile = plan.getProfilerStatistics();
        if (profile.hasDbHits()) {
            out.add("dbHits", longValue(profile.getDbHits()));
        }
        if (profile.hasPageCacheStats()) {
            out.add("pageCacheHits", longValue(profile.getPageCacheHits()));
            out.add("pageCacheMisses", longValue(profile.getPageCacheMisses()));
            out.add("pageCacheHitRatio", doubleValue(profile.getPageCacheHitRatio()));
        }
        if (profile.hasRows()) {
            out.add("rows", longValue(profile.getRows()));
        }
        if (profile.hasTime()) {
            out.add("time", longValue(profile.getTime()));
        }
    }
    return out.build();
}

Example 7 with MapValueBuilder

use of org.neo4j.values.virtual.MapValueBuilder in project neo4j by neo4j.

the class CypherFunctions method asPoint.

private static Value asPoint(DbAccess access, VirtualNodeValue nodeValue, NodeCursor nodeCursor, PropertyCursor propertyCursor) {
    MapValueBuilder builder = new MapValueBuilder();
    for (String key : POINT_KEYS) {
        Value value = access.nodeProperty(nodeValue.id(), access.propertyKey(key), nodeCursor, propertyCursor, true);
        if (value == NO_VALUE) {
            continue;
        }
        builder.add(key, value);
    }
    return PointValue.fromMap(builder.build());
}

Example 8 with MapValueBuilder

use of org.neo4j.values.virtual.MapValueBuilder in project neo4j by neo4j.

the class JmxQueryProcedure method toNeo4jValue.

private MapValue toNeo4jValue(ObjectName name, MBeanAttributeInfo attribute) throws JMException {
    AnyValue value;
    try {
        value = toNeo4jValue(jmxServer.getAttribute(name, attribute.getName()));
    } catch (RuntimeMBeanException e) {
        if (e.getCause() != null && e.getCause() instanceof UnsupportedOperationException) {
            // We include the name and description of this attribute still - but the value of it is
            // unknown. We do this rather than rethrow the exception, because several MBeans built into
            // the JVM will throw exception on attribute access depending on their runtime state, even
            // if the attribute is marked as readable. Notably the GC beans do this.
            value = NO_VALUE;
        } else {
            throw e;
        }
    }
    MapValueBuilder builder = new MapValueBuilder(2);
    builder.add("description", stringValue(attribute.getDescription()));
    builder.add("value", value);
    return builder.build();
}

Example 9 with MapValueBuilder

use of org.neo4j.values.virtual.MapValueBuilder in project neo4j by neo4j.

the class JmxQueryProcedure method toNeo4jValue.

private MapValue toNeo4jValue(Map<?, ?> attributeValue) {
    // Build a new map with the same keys, but each value passed
    // through `toNeo4jValue`
    MapValueBuilder builder = new MapValueBuilder();
    attributeValue.forEach((key, value) -> builder.add(key.toString(), toNeo4jValue(value)));
    return builder.build();
}

Example 10 with MapValueBuilder

use of org.neo4j.values.virtual.MapValueBuilder in project neo4j by neo4j.

the class ValueMapperTest method valueOf.

private static AnyValue valueOf(Object obj) {
    if (obj instanceof MappedGraphType) {
        return ((MappedGraphType) obj).value;
    }
    Value value = Values.unsafeOf(obj, true);
    if (value != null) {
        return value;
    }
    if (obj instanceof List<?>) {
        return ((List<?>) obj).stream().map(ValueMapperTest::valueOf).collect(ListValueBuilder.collector());
    }
    if (obj instanceof Map<?, ?>) {
        @SuppressWarnings("unchecked") Map<String, ?> map = (Map<String, ?>) obj;
        int size = map.size();
        if (size == 0) {
            return EMPTY_MAP;
        }
        MapValueBuilder builder = new MapValueBuilder(size);
        for (Map.Entry<String, ?> entry : map.entrySet()) {
            builder.add(entry.getKey(), valueOf(entry.getValue()));
        }
        return builder.build();
    }
    throw new AssertionError("cannot convert: " + obj + " (a " + obj.getClass().getName() + ")");
}