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

Example 1 with ListValueBuilder

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

the class ValueUtils method asListValue.

public static ListValue asListValue(List<?> collection) {
    int size = collection.size();
    if (size == 0) {
        return VirtualValues.EMPTY_LIST;
    }
    ListValueBuilder values = ListValueBuilder.newListBuilder(size);
    for (Object o : collection) {
        values.add(ValueUtils.of(o));
    }
    return values.build();
}

Example 2 with ListValueBuilder

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

the class ValueUtils method of.

/**
 * Creates an AnyValue by doing type inspection. Do not use in production code where performance is important.
 *
 * @param object the object to turned into a AnyValue
 * @return the AnyValue corresponding to object.
 */
@SuppressWarnings("unchecked")
public static AnyValue of(Object object) {
    if (object instanceof AnyValue) {
        return (AnyValue) object;
    }
    Value value = Values.unsafeOf(object, true);
    if (value != null) {
        return value;
    } else {
        if (object instanceof Entity) {
            if (object instanceof Node) {
                return fromNodeEntity((Node) object);
            } else if (object instanceof Relationship) {
                return fromRelationshipEntity((Relationship) object);
            } else {
                throw new IllegalArgumentException("Unknown entity + " + object.getClass().getName());
            }
        } else if (object instanceof Iterable<?>) {
            if (object instanceof Path) {
                return fromPath((Path) object);
            } else if (object instanceof List<?>) {
                return asListValue((List<Object>) object);
            } else {
                return asListValue((Iterable<Object>) object);
            }
        } else if (object instanceof Map<?, ?>) {
            return asMapValue((Map<String, Object>) object);
        } else if (object instanceof Iterator<?>) {
            ListValueBuilder builder = ListValueBuilder.newListBuilder();
            Iterator<?> iterator = (Iterator<?>) object;
            while (iterator.hasNext()) {
                builder.add(ValueUtils.of(iterator.next()));
            }
            return builder.build();
        } else if (object instanceof Object[]) {
            Object[] array = (Object[]) object;
            if (array.length == 0) {
                return VirtualValues.EMPTY_LIST;
            }
            ListValueBuilder builder = ListValueBuilder.newListBuilder(array.length);
            for (Object o : array) {
                builder.add(ValueUtils.of(o));
            }
            return builder.build();
        } else if (object instanceof Stream<?>) {
            return asListValue(((Stream<Object>) object).collect(Collectors.toList()));
        } else if (object instanceof Geometry) {
            return asGeometryValue((Geometry) object);
        } else {
            ClassLoader classLoader = object.getClass().getClassLoader();
            throw new IllegalArgumentException(String.format("Cannot convert %s of type %s to AnyValue, classloader=%s, classloader-name=%s", object, object.getClass().getName(), classLoader != null ? classLoader.toString() : "null", classLoader != null ? classLoader.getName() : "null"));
        }
    }
}

Example 3 with ListValueBuilder

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

the class AbstractCypherAdapterStream method convertNotifications.

private static AnyValue convertNotifications(Iterable<Notification> notifications) {
    ListValueBuilder listValueBuilder = ListValueBuilder.newListBuilder();
    for (Notification notification : notifications) {
        // position is optional
        InputPosition pos = notification.getPosition();
        boolean includePosition = !pos.equals(InputPosition.empty);
        int size = includePosition ? 5 : 4;
        MapValueBuilder builder = new MapValueBuilder(size);
        builder.add("code", utf8Value(notification.getCode()));
        builder.add("title", utf8Value(notification.getTitle()));
        builder.add("description", utf8Value(notification.getDescription()));
        builder.add("severity", utf8Value(notification.getSeverity().toString()));
        if (includePosition) {
            // only add the position if it is not empty
            builder.add("position", VirtualValues.map(new String[] { "offset", "line", "column" }, new AnyValue[] { intValue(pos.getOffset()), intValue(pos.getLine()), intValue(pos.getColumn()) }));
        }
        listValueBuilder.add(builder.build());
    }
    return listValueBuilder.build();
}

Example 4 with ListValueBuilder

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

the class StringValue method splitNonRegex.

/**
 * Splits a string based on a single delimiter string
 *
 * @param input String to be split
 * @param delim delimiter, must not be not empty
 * @return the split string as a List of TextValues
 */
private static ListValue splitNonRegex(String input, String delim) {
    ListValueBuilder substrings = ListValueBuilder.newListBuilder();
    int offset = 0;
    int index;
    do {
        index = input.indexOf(delim, offset);
        offset = updateSubstringsAndOffset(substrings, offset, input, index, delim);
    } while (index != -1);
    return substrings.build();
}

Example 5 with ListValueBuilder

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

the class StringValue method splitNonRegex.

/**
 * Splits a string with multiple separator strings
 *
 * @param input String to be split
 * @param delims delimiters, must not be not empty
 * @return the split string as a List of TextValues
 */
private static ListValue splitNonRegex(String input, List<String> delims) {
    ListValueBuilder substrings = ListValueBuilder.newListBuilder();
    int offset = 0;
    Pair<Integer, String> nextSubstring;
    do {
        nextSubstring = firstIndexOf(input, offset, delims);
        offset = updateSubstringsAndOffset(substrings, offset, input, nextSubstring.first(), nextSubstring.other());
    } while (nextSubstring.first() != -1);
    return substrings.build();
}