Mercurial > lada > lada-server

annotate src/main/java/de/intevation/lada/rest/LMesswertService.java @ 366:567ce7697fc7 0.5

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Code documentation.
author Raimund Renkert <rrenkert@intevation.de>
date Tue, 10 Sep 2013 15:55:54 +0200
parents 07c4186cbfab
children 183f8116d9a6
rev   line source
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1 package de.intevation.lada.rest;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import javax.enterprise.context.RequestScoped;
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7 import javax.inject.Inject;
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8 import javax.inject.Named;
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9 import javax.ws.rs.Consumes;
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10 import javax.ws.rs.DELETE;
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11 import javax.ws.rs.GET;
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12 import javax.ws.rs.POST;
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13 import javax.ws.rs.PUT;
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14 import javax.ws.rs.Path;
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15 import javax.ws.rs.PathParam;
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16 import javax.ws.rs.Produces;
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17 import javax.ws.rs.core.Context;
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18 import javax.ws.rs.core.HttpHeaders;
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19 import javax.ws.rs.core.MultivaluedMap;
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20 import javax.ws.rs.core.UriInfo;
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21
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22 import de.intevation.lada.auth.Authentication;
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23 import de.intevation.lada.auth.AuthenticationException;
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24 import de.intevation.lada.data.QueryBuilder;
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25 import de.intevation.lada.data.Repository;
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26 import de.intevation.lada.model.LMessung;
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27 import de.intevation.lada.model.LMesswert;
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28 import de.intevation.lada.model.LMesswertId;
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29 import de.intevation.lada.model.LProbe;
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30
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31 /**
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32 * This class produces a RESTful service to read, write and update
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33 * the contents of LMesswert objects.
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34 *
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35 * @author <a href="mailto:rrenkert@intevation.de">Raimund Renkert</a>
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36 */
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37 @Path("/messwert")
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38 @RequestScoped
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39 public class LMesswertService
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40 {
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41 /**
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42 * The Repository for LMesswert.
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43 */
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44 @Inject
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45 @Named("lmesswertrepository")
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46 private Repository repository;
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47
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48 @Inject
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49 @Named("lmessungrepository")
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50 private Repository messungRepository;
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51
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52 /**
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53 * The authorization module.
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54 */
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55 @Inject
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56 @Named("ldapauth")
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57 private Authentication authentication;
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58
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59 /**
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60 * Request LMessert via a filter.
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61 *
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62 * Query parameters are used for the filter in form of key-value pairs.
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63 *
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64 * @param info The URL query parameters.
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65 * @param headers The HTTP header containing authorization information.
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66 * @return JSON Object via Rest service.
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67 */
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68 @GET
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69 @Produces("text/json")
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70 public Response filter(
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71 @Context UriInfo info,
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72 @Context HttpHeaders headers
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73 ) {
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74 try {
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75 if (!authentication.isAuthorizedUser(headers)) {
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76 return new Response(false, 699, new ArrayList<LMesswert>());
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77 }
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78 MultivaluedMap<String, String> params = info.getQueryParameters();
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79 if (params.isEmpty() ||
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80 !params.containsKey("probeId") ||
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81 !params.containsKey("messungsId")) {
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82 return new Response(false, 609, new ArrayList<LMesswert>());
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83 }
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84 String probeId = params.getFirst("probeId");
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85 QueryBuilder<LMesswert> builder =
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86 new QueryBuilder<LMesswert>(
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87 repository.getEntityManager(), LMesswert.class);
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88 builder.and("probeId", probeId)
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89 .and("messungsId", params.getFirst("messungsId"));
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90 return repository.filter(builder.getQuery());
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91 }
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92 catch(AuthenticationException ae) {
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93 return new Response(false, 699, new ArrayList<LMesswert>());
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94 }
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95 }
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96
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97 /**
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98 * Update a LMesswert object.
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99 *
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100 * @param messwert The LMesswert object to update.
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101 * @param headers The HTTP header containing authorization information.
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102 * @return Response object.
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103 */
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104 @PUT
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105 @Path("/{messgroesseId}/{messungsId}/{probeId}")
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106 @Produces("text/json")
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107 @Consumes("application/json")
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108 public Response update(
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109 LMesswert messwert,
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110 @Context HttpHeaders headers
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111 ) {
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112 try {
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113 String probeId = messwert.getProbeId();
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114 Integer messungsId = messwert.getMessungsId();
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115 if (authentication.hasAccess(headers, probeId) &&
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116 !isReadOnly(probeId, messungsId)) {
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117 return repository.update(messwert);
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118 }
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119 return new Response(false, 698, new ArrayList<LMesswert>());
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120 }
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121 catch(AuthenticationException ae) {
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122 return new Response(false, 699, new ArrayList<LMesswert>());
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123 }
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124 }
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125
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126 /**
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127 * Create a new LMesswert object.
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128 *
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129 * @param messwert The new LMesswert object.
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130 * @param headers The HTTP header containing authorization information.
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131 * @return Response object.
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132 */
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133 @POST
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134 @Produces("text/json")
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135 @Consumes("application/json")
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136 public Response create(
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137 LMesswert messwert,
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138 @Context HttpHeaders headers
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139 ) {
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140 try {
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141 String probeId = messwert.getProbeId();
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142 Integer messungsId = messwert.getMessungsId();
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143 if (authentication.hasAccess(headers, probeId) &&
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144 !isReadOnly(probeId, messungsId)) {
245
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145 LMesswertId id = new LMesswertId();
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146 id.setMessgroesseId(messwert.getMessgroesseId());
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147 id.setMessungsId(messungsId);
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148 id.setProbeId(probeId);
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149 messwert.setId(id);
208
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150 return repository.create(messwert);
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151 }
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152 return new Response(false, 698, new ArrayList<LMesswert>());
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153 }
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154 catch(AuthenticationException ae) {
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155 return new Response(false, 699, new ArrayList<LMesswert>());
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156 }
147
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157 }
227
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158
250
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159 /**
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160 * Delete a LMesswert object.
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161 *
366
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162 * @param messgroesseId The messgroesse id.
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163 * @param messungsId The {@link LMessung} id.
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164 * @param probeId The {@link LProbe} id
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165 * @param headers The HTTP header containing authorization information.
250
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166 * @return Response object.
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167 */
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168 @DELETE
253
8265c5de15cb Mark function that it produces JSON
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169 @Produces("text/json")
250
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170 @Path("/{messgroesseId}/{messungsId}/{probeId}")
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171 public Response delete(
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172 @PathParam("messgroesseId") String messgroesseId,
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173 @PathParam("messungsId") String messungsId,
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174 @PathParam("probeId") String probeId,
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175 @Context HttpHeaders headers
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176 ) {
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177 try {
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178 if (authentication.hasAccess(headers, probeId)) {
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179 QueryBuilder<LMesswert> builder =
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180 new QueryBuilder<LMesswert>(
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181 repository.getEntityManager(),
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182 LMesswert.class);
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183 builder.and("messgroesseId", messgroesseId)
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184 .and("messungsId", messungsId)
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185 .and("probeId", probeId);
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186 Response response = repository.filter(builder.getQuery());
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187 List<LMesswert> list = (List<LMesswert>)response.getData();
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188 if (!list.isEmpty()) {
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189 repository.delete(list.get(0));
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190 return new Response(true, 200, null);
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191 }
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192 return new Response(false, 600, null);
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193 }
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194 return new Response(false, 698, new ArrayList<LMesswert>());
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195 }
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196 catch(AuthenticationException ae) {
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197 return new Response(false, 699, new ArrayList<LMesswert>());
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198 }
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199 }
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200
227
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201 private boolean isReadOnly(String probeId, Integer messungsId) {
250
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202 QueryBuilder<LMessung> builder =
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203 new QueryBuilder<LMessung>(
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204 messungRepository.getEntityManager(),
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205 LMessung.class);
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206 builder.and("probeId", probeId)
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207 .and("messungsId", String.valueOf(messungsId));
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208 Response response = messungRepository.filter(builder.getQuery());
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209 List<LMessung> messungen = (List<LMessung>) response.getData();
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210 if (messungen.isEmpty()) {
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211 return true;
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212 }
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213 if (messungen.size() > 1) {
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214 return true;
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215 }
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216 return messungen.get(0).isFertig();
227
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diff changeset
217 }
147
2dd2c36a3b32 New Service for LMesswert objects.
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parents:
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218 }
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