Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/shared/model/Recommendation.java @ 1271:3e7717b6e2bc
Implement equals und hashCode for Recommendation and associates.
flys-client/trunk@2841 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Tue, 27 Sep 2011 13:46:33 +0000 |
| parents | 4db672cdacb2 |
| children | 46a4b74d87bf |
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| 1270:ea9a73782de4 | 1271:3e7717b6e2bc |
|---|---|
| 10 /** | 10 /** |
| 11 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | 11 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
| 12 */ | 12 */ |
| 13 public class Recommendation implements Serializable { | 13 public class Recommendation implements Serializable { |
| 14 | 14 |
| 15 /** Index and name of a facet. */ | |
| 15 public static class Facet implements Serializable { | 16 public static class Facet implements Serializable { |
| 16 | 17 |
| 17 protected String name; | 18 protected String name; |
| 18 protected String index; | 19 protected String index; |
| 19 | 20 |
| 30 } | 31 } |
| 31 | 32 |
| 32 public String getIndex() { | 33 public String getIndex() { |
| 33 return index; | 34 return index; |
| 34 } | 35 } |
| 36 | |
| 37 | |
| 38 @Override | |
| 39 public int hashCode() { | |
| 40 int hash = 0; | |
| 41 if (getName() != null) { | |
| 42 hash += getName().hashCode(); | |
| 43 } | |
| 44 if (getIndex() != null) { | |
| 45 hash += getIndex().hashCode(); | |
| 46 } | |
| 47 return hash; | |
| 48 } | |
| 49 | |
| 50 | |
| 51 @Override | |
| 52 public boolean equals(Object other) { | |
| 53 if (!(other instanceof Facet) || other == null) { | |
| 54 return false; | |
| 55 } | |
| 56 Facet facet = (Facet) other; | |
| 57 return (same(facet.getIndex(), this.getIndex())) | |
| 58 && (same(facet.getName(), this.getName())); | |
| 59 } | |
| 35 } // class Facet | 60 } // class Facet |
| 36 | 61 |
| 62 | |
| 63 /** Mapping of outnames to Facet-Lists. */ | |
| 37 public static class Filter implements Serializable { | 64 public static class Filter implements Serializable { |
| 38 | 65 |
| 39 protected Map<String, List<Facet>> outs; | 66 protected Map<String, List<Facet>> outs; |
| 40 | 67 |
| 41 public Filter() { | 68 public Filter() { |
| 46 outs.put(out, facets); | 73 outs.put(out, facets); |
| 47 } | 74 } |
| 48 | 75 |
| 49 public Map<String, List<Facet>> getOuts() { | 76 public Map<String, List<Facet>> getOuts() { |
| 50 return outs; | 77 return outs; |
| 78 } | |
| 79 | |
| 80 | |
| 81 @Override | |
| 82 public int hashCode() { | |
| 83 if (getOuts() != null) { | |
| 84 return getOuts().hashCode(); | |
| 85 } | |
| 86 return 0; | |
| 87 } | |
| 88 | |
| 89 | |
| 90 @Override | |
| 91 public boolean equals(Object other) { | |
| 92 if (!(other instanceof Filter) || other == null) { | |
| 93 return false; | |
| 94 } | |
| 95 Filter filter = (Filter) other; | |
| 96 return Recommendation.same(filter.getOuts(), this.getOuts()); | |
| 51 } | 97 } |
| 52 } // class Filter | 98 } // class Filter |
| 53 | 99 |
| 54 protected String factory; | 100 protected String factory; |
| 55 protected String ids; | 101 protected String ids; |
| 96 } | 142 } |
| 97 | 143 |
| 98 public void setFilter(Filter filter) { | 144 public void setFilter(Filter filter) { |
| 99 this.filter = filter; | 145 this.filter = filter; |
| 100 } | 146 } |
| 147 | |
| 148 | |
| 149 @Override | |
| 150 public int hashCode() { | |
| 151 int hash = 0; | |
| 152 hash += (getFactory() != null) | |
| 153 ? getFactory().hashCode() | |
| 154 : 0; | |
| 155 hash += (getIDs() != null) | |
| 156 ? getIDs().hashCode() | |
| 157 : 0; | |
| 158 hash += (getFilter() != null) | |
| 159 ? getFilter().hashCode() | |
| 160 : 0; | |
| 161 hash += (getMasterArtifact() != null) | |
| 162 ? getMasterArtifact().hashCode() | |
| 163 : 0; | |
| 164 return hash; | |
| 165 } | |
| 166 | |
| 167 | |
| 168 /** | |
| 169 * Null-pointer guarded equals. | |
| 170 * Two null's are assumed equal (returns true); | |
| 171 * @param a Object to compare against parameter b. | |
| 172 * @param b Object to compare against parameter a. | |
| 173 * @return true if either a and b are null or a.equals(b) returns true. | |
| 174 */ | |
| 175 protected static boolean same(Object a, Object b) { | |
| 176 // Do null-check. | |
| 177 if (a == null) { | |
| 178 return b == null; | |
| 179 } else if (b == null) { | |
| 180 return false; | |
| 181 } | |
| 182 return a.equals(b); | |
| 183 } | |
| 184 | |
| 185 | |
| 186 @Override | |
| 187 public boolean equals(Object other) { | |
| 188 if (!(other instanceof Recommendation) || other == null) { | |
| 189 return false; | |
| 190 } | |
| 191 Recommendation rec = (Recommendation) other; | |
| 192 return (same(this.getFactory(), rec.getFactory())) | |
| 193 && (same(this.getIDs(), rec.getIDs())) | |
| 194 && (same(this.getFilter(), rec.getFilter())) | |
| 195 && (same(this.getMasterArtifact(), rec.getMasterArtifact())); | |
| 196 } | |
| 101 } | 197 } |
| 102 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 198 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |