org.neo4j.values.storable.PointArray Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of neo4j-values Show documentation
Neo4j property value system.
The newest version!
/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package org.neo4j.values.storable;

import static org.neo4j.memory.HeapEstimator.shallowSizeOfInstance;
import static org.neo4j.memory.HeapEstimator.sizeOfObjectArray;

import java.util.Arrays;
import org.neo4j.graphdb.spatial.Geometry;
import org.neo4j.values.AnyValue;
import org.neo4j.values.SequenceValue;
import org.neo4j.values.ValueMapper;

public final class PointArray extends NonPrimitiveArray {
    private static final long SHALLOW_SIZE = shallowSizeOfInstance(PointArray.class);

    private final PointValue[] value;

    PointArray(PointValue[] value) {
        assert value != null;
        this.value = value;
    }

    @Override
    protected PointValue[] value() {
        return value;
    }

    public PointValue pointValue(int offset) {
        return value()[offset];
    }

    @Override
    public boolean equals(Geometry[] x) {
        return Arrays.equals(value(), x);
    }

    @Override
    public boolean equals(Value other) {
        return other instanceof PointArray && Arrays.equals(this.value(), ((PointArray) other).value());
    }

    @Override
    public ValueRepresentation valueRepresentation() {
        return ValueRepresentation.GEOMETRY_ARRAY;
    }

    @Override
    public  T map(ValueMapper mapper) {
        return mapper.mapPointArray(this);
    }

    @Override
    public  void writeTo(ValueWriter writer) throws E {
        PrimitiveArrayWriting.writeTo(writer, value());
    }

    @Override
    public AnyValue value(int offset) {
        return Values.point(value[offset]);
    }

    @Override
    protected int unsafeCompareTo(Value otherValue) {
        return compareToNonPrimitiveArray((PointArray) otherValue);
    }

    @Override
    public boolean isIncomparableType() {
        return true;
    }

    @Override
    public String getTypeName() {
        return "PointArray";
    }

    @Override
    public long estimatedHeapUsage() {
        int length = value.length;
        return SHALLOW_SIZE + (length == 0 ? 0 : sizeOfObjectArray(value[0].estimatedHeapUsage(), length));
    }

    @Override
    public boolean hasCompatibleType(AnyValue value) {
        return value instanceof PointValue;
    }

    @Override
    public ArrayValue copyWithAppended(AnyValue added) {
        assert hasCompatibleType(added) : "Incompatible types";
        PointValue[] newArray = Arrays.copyOf(value, value.length + 1);
        newArray[value.length] = (PointValue) added;
        return new PointArray(newArray);
    }

    @Override
    public ArrayValue copyWithPrepended(AnyValue prepended) {
        assert hasCompatibleType(prepended) : "Incompatible types";
        PointValue[] newArray = new PointValue[value.length + 1];
        System.arraycopy(value, 0, newArray, 1, value.length);
        newArray[0] = (PointValue) prepended;
        return new PointArray(newArray);
    }

    @Override
    public boolean equals(SequenceValue other) {
        if (other instanceof ArrayValue otherArray) {
            return otherArray.equals(value);
        } else {
            return super.equals(other);
        }
    }
}