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1 package org.hibernate.cache;
3
4 import java.io.Serializable  ;
5 import java.util.HashMap ;
6 import java.util.HashSet ;
7 import java.util.Iterator ;
8 import java.util.Map ;
9 import java.util.Set ;
10
11 import org.hibernate.EntityMode;
12 import org.hibernate.engine.TypedValue;
13 import org.hibernate.impl.FilterImpl;
14 import org.hibernate.type.Type;
15
16
21 public final class FilterKey implements Serializable {
22 private String filterName;
23 private Map filterParameters = new HashMap ();
24
25 public FilterKey(String name, Map params, Map types, EntityMode entityMode) {
26 filterName = name;
27 Iterator iter = params.entrySet().iterator();
28 while ( iter.hasNext() ) {
29 Map.Entry me = (Map.Entry ) iter.next();
30 Type type = (Type) types.get( me.getKey() );
31 filterParameters.put( me.getKey(), new TypedValue( type, me.getValue(), entityMode ) );
32 }
33 }
34
35 public int hashCode() {
36 int result = 13;
37 result = 37 * result + filterName.hashCode();
38 result = 37 * result + filterParameters.hashCode();
39 return result;
40 }
41
42 public boolean equals(Object other) {
43 if ( !(other instanceof FilterKey) ) return false;
44 FilterKey that = (FilterKey) other;
45 if ( !that.filterName.equals(filterName) ) return false;
46 if ( !that.filterParameters.equals(filterParameters) ) return false;
47 return true;
48 }
49
50 public String toString() {
51 return "FilterKey[" + filterName + filterParameters + ']';
52 }
53
54 public static Set createFilterKeys(Map enabledFilters, EntityMode entityMode) {
55 if ( enabledFilters.size()==0 ) return null;
56 Set result = new HashSet ();
57 Iterator iter = enabledFilters.values().iterator();
58 while ( iter.hasNext() ) {
59 FilterImpl filter = (FilterImpl) iter.next();
60 FilterKey key = new FilterKey(
61 filter.getName(),
62 filter.getParameters(),
63 filter.getParameterTypes(),
64 entityMode
65 );
66 result.add(key);
67 }
68 return result;
69 }
70 }
71 |
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