Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstValueTableFactory.java @ 626:e3ee131d5dd3
Moved WST value table cache key to a separate class.
flys-artifacts/trunk@1991 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Tue, 24 May 2011 11:23:57 +0000 |
| parents | 523a256451cd |
| children | 07640ab913fd |
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| 625:c0c60a611fca | 626:e3ee131d5dd3 |
|---|---|
| 1 package de.intevation.flys.artifacts.model; | 1 package de.intevation.flys.artifacts.model; |
| 2 | |
| 3 import java.io.Serializable; | |
| 4 | 2 |
| 5 import java.util.ArrayList; | 3 import java.util.ArrayList; |
| 6 import java.util.Comparator; | 4 import java.util.Comparator; |
| 7 import java.util.List; | 5 import java.util.List; |
| 8 import java.util.Collections; | 6 import java.util.Collections; |
| 36 public static final String SQL_POS_WQ = | 34 public static final String SQL_POS_WQ = |
| 37 "SELECT position, w, q, column_pos" + | 35 "SELECT position, w, q, column_pos" + |
| 38 " FROM wst_value_table" + | 36 " FROM wst_value_table" + |
| 39 " WHERE wst_id = :wst_id"; | 37 " WHERE wst_id = :wst_id"; |
| 40 | 38 |
| 41 public static final class CacheKey | |
| 42 implements Serializable | |
| 43 { | |
| 44 private int riverId; | |
| 45 private int kind; | |
| 46 | |
| 47 public CacheKey(int riverId, int kind) { | |
| 48 this.riverId = riverId; | |
| 49 this.kind = kind; | |
| 50 } | |
| 51 | |
| 52 public int hashCode() { | |
| 53 return (riverId << 8) | kind; | |
| 54 } | |
| 55 | |
| 56 public boolean equals(Object other) { | |
| 57 if (!(other instanceof CacheKey)) { | |
| 58 return false; | |
| 59 } | |
| 60 CacheKey o = (CacheKey)other; | |
| 61 return riverId == o.riverId && kind == o.kind; | |
| 62 } | |
| 63 } // class CacheKey | |
| 64 | |
| 65 private WstValueTableFactory() { | 39 private WstValueTableFactory() { |
| 66 } | 40 } |
| 67 | 41 |
| 68 public static WstValueTable getTable(River river) { | 42 public static WstValueTable getTable(River river) { |
| 69 return getTable(river, 0); | 43 return getTable(river, 0); |
| 71 | 45 |
| 72 public static WstValueTable getTable(River river, int kind) { | 46 public static WstValueTable getTable(River river, int kind) { |
| 73 | 47 |
| 74 Cache cache = CacheFactory.getCache(CACHE_NAME); | 48 Cache cache = CacheFactory.getCache(CACHE_NAME); |
| 75 | 49 |
| 76 CacheKey cacheKey; | 50 WstValueTableCacheKey cacheKey; |
| 77 | 51 |
| 78 if (cache != null) { | 52 if (cache != null) { |
| 79 cacheKey = new CacheKey(river.getId(), kind); | 53 cacheKey = new WstValueTableCacheKey(river.getId(), kind); |
| 80 Element element = cache.get(cacheKey); | 54 Element element = cache.get(cacheKey); |
| 81 if (element != null) { | 55 if (element != null) { |
| 82 log.debug("got wst value table from cache"); | 56 log.debug("got wst value table from cache"); |
| 83 return (WstValueTable)element.getValue(); | 57 return (WstValueTable)element.getValue(); |
| 84 } | 58 } |