import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Set<? extends Cluster> getSuccessors() {
    Set<Block> succs = new HashSet<Block>();
    for (InputBlock b : inputBlock.getSuccessors()) {
        succs.add(diagram.getBlock(b));
    }
    return succs;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Cluster getCluster() {
    if (getSource().getSourceNodes().size() == 0) {
        assert false : "Should never reach here, every figure must have at least one source node!";
        return null;
    } else {
        final InputBlock inputBlock = diagram.getGraph().getBlock(getSource().getSourceNodes().get(0));
        assert inputBlock != null;
        Cluster result = diagram.getBlock(inputBlock);
        assert result != null;
        return result;
    }
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public ClusterNode(Cluster cluster, String name) {
    this.subNodes = new HashSet<Vertex>();
    this.subEdges = new HashSet<Link>();
    this.cluster = cluster;
    position = new Point(0, 0);
    this.name = name;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Set<? extends Cluster> getPredecessors() {
    Set<Block> succs = new HashSet<Block>();
    for (InputBlock b : inputBlock.getPredecessors()) {
        succs.add(diagram.getBlock(b));
    }
    return succs;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Cluster getCluster() {
    if (getSource().getSourceNodes().size() == 0) {
        assert false : "Should never reach here, every figure must have at least one source node!";
        return null;
    } else {
        Cluster result = diagram.getBlock(diagram.getGraph().getBlock(getSource().getSourceNodes().get(0)));
        assert result != null;
        return result;
    }
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Cluster getCluster() {
    return null;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Cluster getCluster() {
    return cluster;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public void setCluster(Cluster c) {
    cluster = c;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public Cluster getOuter() {
    return null;
}
 

import com.sun.hotspot.igv.layout.Cluster; //导入依赖的package包/类
public int compareTo(Cluster o) {
    return toString().compareTo(o.toString());
}