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49 lines
1.3 KiB
49 lines
1.3 KiB
package tiaozhanti1;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import jichuti1.Book;
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import jinjieti1.BranchLibrary;
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import jinjieti1.Library;
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/**
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* 图书资源共享管理类（多对多聚合关系）
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*/
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public class ResourceSharingManager {
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private List<Library> libraries; // 参与共享的图书馆
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private Map<Book, List<Library>> sharedBooks; // 共享图书映射
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public ResourceSharingManager() {
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this.libraries = new ArrayList<>();
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this.sharedBooks = new HashMap<>();
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}
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// 添加参与共享的图书馆
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public void addLibrary(Library lib2) {
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libraries.add(lib2);
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}
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// 共享图书
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public void shareBook(Book book, Library fromLib, List<Library> toLibs) {
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for (Library lib : toLibs) {
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if (libraries.contains(lib) && !lib.equals(fromLib)) {
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sharedBooks.computeIfAbsent(book, k -> new ArrayList<>()).add(lib);
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}
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}
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}
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public void shareBook(Book sharedBook, BranchLibrary lib1, List<BranchLibrary> of) {
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// TODO Auto-generated method stub
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}
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public void addLibrary(BranchLibrary lib1) {
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// TODO Auto-generated method stub
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}
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}
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