import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public Set<SchemaDocument> getImportedDocuments(String targetNamespace) {
    if(targetNamespace==null)
        throw new IllegalArgumentException();
    Set<SchemaDocument> r = new HashSet<SchemaDocument>();
    for (SchemaDocumentImpl doc : references) {
        if(doc.getTargetNamespace().equals(targetNamespace))
            r.add(doc);
    }
    return Collections.unmodifiableSet(r);
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public SchemaDocument getSourceDocument() {
    return ownerDocument;
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public Set<SchemaDocument> getReferencedDocuments() {
    return Collections.<SchemaDocument>unmodifiableSet(references);
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public Set<SchemaDocument> getIncludedDocuments() {
    return getImportedDocuments(this.getTargetNamespace());
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public boolean includes(SchemaDocument doc) {
    if(!references.contains(doc))
        return false;
    return doc.getSchema()==schema;
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public boolean imports(SchemaDocument doc) {
    if(!references.contains(doc))
        return false;
    return doc.getSchema()!=schema;
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public Set<SchemaDocument> getReferers() {
    return Collections.<SchemaDocument>unmodifiableSet(referers);
}
 

import com.sun.xml.internal.xsom.parser.SchemaDocument; //导入依赖的package包/类
public SchemaDocument getSourceDocument() {
    return null;
}