package com.xiaopeng.map.dto;
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import com.google.flatbuffers.FlatBufferBuilder;
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import com.google.flatbuffers.Table;
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/**
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* 对应 map_area_rtree.fbs 中的 Node 表。
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* 只实现构建 FlatBuffer 所需的最小方法集合。
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*/
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public final class Node extends Table {
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private Node() {
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}
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public static int createNode(FlatBufferBuilder builder,
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int type,
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int rangeOffset,
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int pointsVectorOffset,
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int id,
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boolean isBlacklist) {
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builder.startTable(5);
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addType(builder, type);
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addRange(builder, rangeOffset);
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addPoints(builder, pointsVectorOffset);
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addId(builder, id);
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addIsBlacklist(builder, isBlacklist);
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return endNode(builder);
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}
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public static void startNode(FlatBufferBuilder builder) {
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builder.startTable(5);
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}
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public static void addType(FlatBufferBuilder builder, int type) {
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builder.addInt(0, type, 0);
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}
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public static void addRange(FlatBufferBuilder builder, int rangeOffset) {
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builder.addOffset(1, rangeOffset, 0);
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}
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public static void addPoints(FlatBufferBuilder builder, int pointsOffset) {
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builder.addOffset(2, pointsOffset, 0);
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}
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public static void addId(FlatBufferBuilder builder, int id) {
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builder.addInt(3, id, 0);
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}
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public static void addIsBlacklist(FlatBufferBuilder builder, boolean isBlacklist) {
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builder.addBoolean(4, isBlacklist, false);
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}
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/**
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* 构建 points 向量。
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*/
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public static int createPointsVector(FlatBufferBuilder builder, int[] data) {
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builder.startVector(4, data.length, 4);
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for (int i = data.length - 1; i >= 0; i--) {
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builder.addOffset(data[i]);
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}
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return builder.endVector();
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}
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public static void startPointsVector(FlatBufferBuilder builder, int numElems) {
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builder.startVector(4, numElems, 4);
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}
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public static int endNode(FlatBufferBuilder builder) {
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return builder.endTable();
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}
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}
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