import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@EventHandler(priority = EventPriority.HIGHEST, ignoreCancelled = true)
public void onBigBoom(ExplosionPrimeEvent event) {
    Entity entity = event.getEntity();
    Location location = NukkitUtil.getLocation(entity);
    PlotArea area = location.getPlotArea();
    if (area == null) {
        return;
    }
    final Plot finalPlot = area.getOwnedPlot(location);
    if (!entity.hasMetadata("plot")) {
        entity.setMetadata("plot", new MetadataValue((Plugin) PS.get().IMP) {
            private Plot plot = finalPlot;
            @Override
            public Object value() {
                return plot;
            }
            @Override
            public void invalidate() {
                plot = null;
            }
        });
    }
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public List<MetadataValue> getMetadata(String metadataKey) throws Exception {
    if (this.getLevel() != null) {
        return this.getLevel().getBlockMetadata().getMetadata(this, metadataKey);

    }
    return null;
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@EventHandler(ignoreCancelled = true, priority = EventPriority.HIGHEST)
public void onEntityFall(EntityBlockChangeEvent event) {
    Entity entity = event.getEntity();
    Location location = NukkitUtil.getLocation(entity);
    if (!PS.get().hasPlotArea(location.getWorld())) {
        return;
    }
    PlotArea area = location.getPlotArea();
    if (area == null) {
        return;
    }
    Block from = event.getFrom();
    Block to = event.getTo();
    final Plot finalPlot = area.getOwnedPlotAbs(location);
    boolean toBlock = from == null || from.getId() == 0;
    if (toBlock) {
        List<MetadataValue> meta = entity.getMetadata("plot");
        if (meta.isEmpty()) {
            return;
        }
        Plot origin = (Plot) meta.get(0).value();
        if (origin != null && !origin.equals(finalPlot)) {
            kill(entity, event);
        }
    } else {
        entity.setMetadata("plot", new MetadataValue((Plugin) PS.get().IMP) {
            private Plot plot = finalPlot;
            @Override
            public Object value() {
                return plot;
            }
            @Override
            public void invalidate() {
                plot = null;
            }
        });
    }
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
    this.server.getEntityMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public List<MetadataValue> getMetadata(String metadataKey) {
    return this.server.getEntityMetadata().getMetadata(this, metadataKey);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) throws Exception {
    this.server.getLevelMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public List<MetadataValue> getMetadata(String metadataKey) throws Exception {
    return this.server.getLevelMetadata().getMetadata(this, metadataKey);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) throws Exception {
    if (this.getLevel() != null) {
        this.getLevel().getBlockMetadata().setMetadata(this, metadataKey, newMetadataValue);
    }
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
    this.server.getPlayerMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
@Override
public List<MetadataValue> getMetadata(String metadataKey) {
    return this.server.getPlayerMetadata().getMetadata(this, metadataKey);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
public void setMetadata(String metadataKey, MetadataValue newMetadataValue) {
    this.server.getPlayerMetadata().setMetadata(this, metadataKey, newMetadataValue);
}
 

import cn.nukkit.metadata.MetadataValue; //导入依赖的package包/类
public List<MetadataValue> getMetadata(String metadataKey) {
    return this.server.getPlayerMetadata().getMetadata(this, metadataKey);
}