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https://github.com/maxkratz/edgedb-java.git
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Add MultiRange (#25)
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parent
8db19fc1d8
commit
c492fc9b01
8 changed files with 242 additions and 2 deletions
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@ -1,2 +1,2 @@
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[edgedb]
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server-version = "3.0"
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server-version = "4.0"
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@ -0,0 +1,56 @@
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package com.edgedb.driver.binary.codecs;
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import com.edgedb.driver.binary.PacketReader;
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import com.edgedb.driver.binary.PacketWriter;
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import com.edgedb.driver.binary.protocol.common.descriptors.CodecMetadata;
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import com.edgedb.driver.datatypes.MultiRange;
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import com.edgedb.driver.datatypes.Range;
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import com.edgedb.driver.exceptions.EdgeDBException;
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import org.jetbrains.annotations.Nullable;
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import javax.naming.OperationNotSupportedException;
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import java.util.UUID;
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public final class MultiRangeCodec<T> extends CodecBase<MultiRange<T>> {
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private final RangeCodec<T> rangeCodec;
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@SuppressWarnings("unchecked")
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public MultiRangeCodec(UUID id, @Nullable CodecMetadata metadata, Class<?> cls, Codec<T> elementCodec) {
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super(id, metadata, (Class<MultiRange<T>>)cls);
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this.rangeCodec = new RangeCodec<>(id, metadata, cls, elementCodec);
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}
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@Override
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public void serialize(PacketWriter writer, @Nullable MultiRange<T> value, CodecContext context) throws OperationNotSupportedException, EdgeDBException {
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if(value == null) {
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return;
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}
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writer.write(value.length);
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for(int i = 0; i != value.length; i++) {
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var element = value.get(i);
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writer.writeDelegateWithLength(w -> rangeCodec.serialize(w, element, context));
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}
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}
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@SuppressWarnings("unchecked")
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@Override
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public @Nullable MultiRange<T> deserialize(PacketReader reader, CodecContext context) throws EdgeDBException, OperationNotSupportedException {
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var length = reader.readInt32();
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if(length == 0) {
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return MultiRange.empty();
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}
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var elements = new Range[length];
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for(int i = 0; i != length; i++) {
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try(var scoped = reader.scopedSlice(reader.readInt32())) {
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elements[i] = rangeCodec.deserialize(scoped, context);
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}
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}
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return new MultiRange<T>(elements);
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}
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}
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@ -42,6 +42,7 @@ public class V2ProtocolProvider extends V1ProtocolProvider implements ProtocolPr
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put(DescriptorType.SCALAR, ScalarTypeDescriptor::new);
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put(DescriptorType.SET, SetTypeDescriptor::new);
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put(DescriptorType.TUPLE, TupleTypeDescriptor::new);
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put(DescriptorType.MULTI_RANGE, MultiRangeDescriptor::new);
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put(DescriptorType.TYPE_ANNOTATION_TEXT, (ignored, reader) -> new TypeAnnotationTextDescriptor(reader));
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}};
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}
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@ -247,6 +248,22 @@ public class V2ProtocolProvider extends V1ProtocolProvider implements ProtocolPr
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t -> Range.empty(t).getClass()
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)
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);
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case MULTI_RANGE:
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var multirangeDescriptor = descriptorInfo.as(MultiRangeDescriptor.class);
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return CodecBuilder.getOrCreateCodec(
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this,
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descriptorInfo.getId(),
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metadata,
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(id, meta) ->
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new CompilableCodec(
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id,
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meta,
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getRelativeCodec.apply(multirangeDescriptor.type.intValue()),
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MultiRangeCodec::new,
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t -> t
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)
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);
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case SCALAR:
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throw new MissingCodecException(
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"Could not find the scalar type " + descriptorInfo.getId().toString()
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@ -14,6 +14,7 @@ public enum DescriptorType implements BinaryEnum<Byte> {
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RANGE(9),
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OBJECT(10),
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COMPOUND(11),
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MULTI_RANGE(12),
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TYPE_ANNOTATION_TEXT(127);
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private final byte value;
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@ -0,0 +1,43 @@
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package com.edgedb.driver.binary.protocol.v2.descriptors;
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import com.edgedb.driver.binary.PacketReader;
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import com.edgedb.driver.binary.codecs.Codec;
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import com.edgedb.driver.binary.protocol.TypeDescriptor;
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import com.edgedb.driver.binary.protocol.TypeDescriptorInfo;
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import com.edgedb.driver.binary.protocol.common.descriptors.CodecMetadata;
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import org.jetbrains.annotations.Nullable;
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import org.joou.UShort;
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import java.util.UUID;
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import java.util.function.Function;
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public class MultiRangeDescriptor implements TypeDescriptor, MetadataDescriptor {
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public final UUID id;
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public final String name;
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public final boolean isSchemaDefined;
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public final UShort[] ancestors;
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public final UShort type;
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public MultiRangeDescriptor(UUID id, PacketReader reader) {
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this.id = id;
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this.name = reader.readString();
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this.isSchemaDefined = reader.readBoolean();
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this.ancestors = reader.readArrayOf(UShort.class, PacketReader::readUInt16, UShort.class);
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this.type = reader.readUInt16();
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}
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@Override
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public UUID getId() {
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return this.id;
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}
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@Override
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public @Nullable CodecMetadata getMetadata(Function<Integer, Codec<?>> getRelativeCodec, Function<Integer, TypeDescriptorInfo<?>> getRelativeDescriptor) {
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return new CodecMetadata(
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name,
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isSchemaDefined,
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MetadataDescriptor.constructAncestors(ancestors, getRelativeCodec, getRelativeDescriptor)
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);
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}
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}
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@ -0,0 +1,80 @@
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package com.edgedb.driver.datatypes;
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import java.util.Arrays;
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import java.util.Collection;
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import java.util.HashSet;
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/**
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* Represents the {@code multirange} type in EdgeDB
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* @param <T> The inner type of the multirange.
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*/
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@SuppressWarnings("unchecked")
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public class MultiRange<T> {
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private static final Range<?>[] EMPTY_RANGE_ARRAY = new Range<?>[0];
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private static final MultiRange<?> EMPTY_MULTI_RANGE = new MultiRange<>();
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/**
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* Gets the length of this multirange.
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*/
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public final int length;
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private final Range<T>[] ranges;
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/**
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* Constructs a new empty multirange
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*/
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public MultiRange() {
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ranges = (Range<T>[]) EMPTY_RANGE_ARRAY;
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length = 0;
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}
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/**
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* Constructs a new multirange with the provided elements.
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* @param elements The elements to construct the multirange with.
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*/
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public MultiRange(Collection<? extends Range<T>> elements) {
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ranges = elements.toArray((Range<T>[])EMPTY_RANGE_ARRAY);
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length = ranges.length;
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}
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public MultiRange(Range<T>[] elements) {
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ranges = elements.clone();
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length = elements.length;
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}
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/**
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* Gets an element within this multirange by index.
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* @param i The index of the element to get.
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* @return The element at the specified index.
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*/
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public Range<T> get(int i) throws IndexOutOfBoundsException {
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return ranges[i];
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}
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/**
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* Converts this multirange into a hashset.
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* @return A hashset representing this multirange.
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*/
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public HashSet<Range<T>> toSet() {
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return new HashSet<>(Arrays.asList(ranges));
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}
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public static <U> MultiRange<U> empty(Class<U> cls) {
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return new MultiRange<>();
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}
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public static <U> MultiRange<U> empty() {
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return (MultiRange<U>) EMPTY_MULTI_RANGE;
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}
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/**
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* Gets a {@linkplain Class} that represents a multirange of a specified type.
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* @param cls The inner type of the multirange to represent.
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* @return A class that represents a multirange of the provided type.
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* @param <U> The inner type of the multirange.
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*/
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public static <U> Class<MultiRange<U>> ofType(Class<U> cls) {
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return (Class<MultiRange<U>>) EMPTY_MULTI_RANGE.getClass();
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}
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}
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@ -162,6 +162,17 @@ public final class Range<T> {
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return new Range<>(cls, lower, upper, includeLower, includeUpper);
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}
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/**
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* Gets a {@linkplain Class} that represents a range of a provided type.
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* @param cls The inner type of the range.
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* @return A class that represents a range of a provide type.
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* @param <U> The inner type of the range.
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*/
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@SuppressWarnings("unchecked")
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public static <U> Class<Range<U>> ofType(Class<U> cls) {
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return (Class<Range<U>>) EMPTY_RANGE.getClass();
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}
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/**
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* Gets the element types class of this range.
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* @return The {@linkplain Class<T>} of the element type.
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@ -1,10 +1,42 @@
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import com.edgedb.driver.EdgeDBClient;
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import com.edgedb.driver.annotations.EdgeDBType;
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import com.edgedb.driver.datatypes.MultiRange;
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import com.edgedb.driver.datatypes.Range;
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import org.junit.jupiter.api.Test;
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import java.util.ArrayList;
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import java.util.HashMap;
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import static org.assertj.core.api.Assertions.assertThat;
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public class QueryTests {
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@Test
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public void testMultiRanges() {
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try(var client = new EdgeDBClient()) {
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var multiRange = new MultiRange<Long>(new ArrayList<Range<Long>>() {{
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add(Range.create(Long.class, -40L, -20L));
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add(Range.create(Long.class, 5L, 10L));
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add(Range.create(Long.class, 20L, 50L));
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add(Range.create(Long.class, 5000L, 5001L));
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}});
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var result = client.queryRequiredSingle(
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MultiRange.ofType(Long.class),
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"SELECT <multirange<int64>>$arg",
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new HashMap<>(){{
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put("arg", multiRange);
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}}
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).toCompletableFuture().get();
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assertThat(result.length).isEqualTo(multiRange.length);
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for(int i = 0; i != multiRange.length; i++) {
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assertThat(result.get(i)).isEqualTo(multiRange.get(i));
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}
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} catch (Exception e) {
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throw new RuntimeException(e);
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}
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}
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@EdgeDBType
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public static class TestDataContainer {
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}
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@Test
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public void TestPrimitives() {
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public void testPrimitives() {
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// primitives (long, int, etc.) differ from the class form (Long, Integer, etc.),
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// we test that we can deserialize both in a data structure.
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try(var client = new EdgeDBClient()) {
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