1 | 6 | package models; |
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import java.util.*; |
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import javax.persistence.*; |
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import play.db.jpa.*; |
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import play.data.validation.*; |
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@Entity |
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public class Tag extends Model implements Comparable<Tag> { |
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@Required |
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public String name; |
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|
15 | 9 | private Tag(String name) { |
16 | 9 | this.name = name; |
17 | 9 | } |
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public static Tag findOrCreateByName(String name) { |
20 | 12 | Tag tag = Tag.find("byName", name).first(); |
21 | 12 | if(tag == null) { |
22 | 9 | tag = new Tag(name); |
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} |
24 | 12 | return tag; |
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} |
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public static List<Map> getCloud() { |
28 | 6 | List<Map> result = Tag.find( |
29 | 3 | "select new map(t.name as tag, count(p.id) as pound) from Post p join p.tags as t group by t.name" |
30 | 3 | ).fetch(); |
31 | 3 | return result; |
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} |
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public String toString() { |
35 | 10 | return name; |
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} |
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public int compareTo(Tag otherTag) { |
39 | 6 | return name.compareTo(otherTag.name); |
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} |
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} |