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annotate flys-backend/src/main/java/de/intevation/flys/model/NamedMainValue.java @ 5779:ebec12def170

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Datacage: Add a pool of builders to make it multi threadable. XML DOM is not thread safe. Therefore the old implementation only allowed one thread to use the builder at a time. As the complexity of the configuration has increased over time this has become a bottleneck of the whole application because it took quiet some time to build a result. Furthermore the builder code path is visited very frequent. So many concurrent requests were piled up resulting in long waits for the users. To mitigate this problem a round robin pool of builders is used now. Each of the pooled builders has an independent copy of the XML template and can be run in parallel. The number of builders is determined by the system property 'flys.datacage.pool.size'. It defaults to 4.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 21 Apr 2013 12:48:09 +0200
parents 8d3533a03e10
children
rev   line source
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1 package de.intevation.flys.model;
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2
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3 import java.io.Serializable;
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4
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5 import javax.persistence.Entity;
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6 import javax.persistence.Id;
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7 import javax.persistence.Table;
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8 import javax.persistence.GeneratedValue;
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9 import javax.persistence.Column;
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10 import javax.persistence.SequenceGenerator;
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11 import javax.persistence.GenerationType;
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12 import javax.persistence.OneToOne;
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13 import javax.persistence.JoinColumn;
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14
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15 @Entity
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16 @Table(name = "named_main_values")
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17 public class NamedMainValue
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18 implements Serializable
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19 {
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20 private Integer id;
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21 private String name;
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22 private MainValueType type;
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23
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24 public NamedMainValue() {
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25 }
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26
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27 public NamedMainValue(String name, MainValueType type) {
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28 this.name = name;
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29 this.type = type;
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30 }
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31
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32 @Id
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33 @SequenceGenerator(
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34 name = "SEQUENCE_NAMED_MAIN_VALUES_ID_SEQ",
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35 sequenceName = "NAMED_MAIN_VALUES_ID_SEQ",
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36 allocationSize = 1)
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37 @GeneratedValue(
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38 strategy = GenerationType.SEQUENCE,
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39 generator = "SEQUENCE_NAMED_MAIN_VALUES_ID_SEQ")
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40 @Column(name = "id")
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41 public Integer getId() {
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42 return id;
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43 }
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44
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45 public void setId(Integer id) {
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46 this.id = id;
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47 }
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48
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49 @Column(name = "name")
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50 public String getName() {
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51 return name;
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52 }
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53
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54 public void setName(String name) {
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55 this.name = name;
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56 }
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57
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58 @OneToOne
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59 @JoinColumn(name = "type_id" )
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60 public MainValueType getType() {
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61 return type;
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62 }
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63
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64 public void setType(MainValueType type) {
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65 this.type = type;
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66 }
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67 }
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68 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org