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24 package org.ofbiz.entity.condition;
25
26 import java.io.Serializable  ;
27 import java.util.Collections ;
28 import java.util.List ;
29 import java.util.Map ;
30
31 import javolution.util.FastList;
32 import javolution.util.FastMap;
33
34 import org.ofbiz.entity.config.DatasourceInfo;
35 import org.ofbiz.entity.jdbc.SqlJdbcUtil;
36 import org.ofbiz.entity.model.ModelEntity;
37 import org.ofbiz.entity.model.ModelField;
38 import org.ofbiz.entity.model.ModelViewEntity;
39 import org.ofbiz.entity.model.ModelViewEntity.ModelAlias;
40
41
55 public abstract class EntityConditionBase implements Serializable {
56
57 public static final List emptyList = Collections.unmodifiableList(FastList.newInstance());
58 public static final Map emptyMap = Collections.unmodifiableMap(FastMap.newInstance());
59
60 protected ModelField getField(ModelEntity modelEntity, String fieldName) {
61 ModelField modelField = null;
62 if (modelEntity != null) {
63 modelField = (ModelField) modelEntity.getField(fieldName);
64 }
65 return modelField;
66 }
67
68 protected String getColName(Map tableAliases, ModelEntity modelEntity, String fieldName, boolean includeTableNamePrefix, DatasourceInfo datasourceInfo) {
69 if (modelEntity == null) return fieldName;
70 return getColName(tableAliases, modelEntity, getField(modelEntity, fieldName), fieldName, includeTableNamePrefix, datasourceInfo);
71 }
72
73 protected String getColName(ModelField modelField, String fieldName) {
74 String colName = null;
75 if (modelField != null) {
76 colName = modelField.getColName();
77 } else {
78 colName = (String ) fieldName;
79 }
80 return colName;
81 }
82
83 protected String getColName(Map tableAliases, ModelEntity modelEntity, ModelField modelField, String fieldName, boolean includeTableNamePrefix, DatasourceInfo datasourceInfo) {
84 if (modelEntity == null || modelField == null) return fieldName;
85
86 if (datasourceInfo != null && datasourceInfo.aliasViews && modelEntity instanceof ModelViewEntity) {
88 ModelViewEntity modelViewEntity = (ModelViewEntity) modelEntity;
89 ModelAlias modelAlias = modelViewEntity.getAlias(fieldName);
90 if (modelAlias != null) {
91 return modelAlias.getColAlias();
92 }
93 }
94
95 String colName = getColName(modelField, fieldName);
96 if (includeTableNamePrefix && datasourceInfo != null) {
97 String tableName = modelEntity.getTableName(datasourceInfo);
98 if (tableAliases.containsKey(tableName)) {
99 tableName = (String ) tableAliases.get(tableName);
100 }
101 colName = tableName + "." + colName;
102 }
103 return colName;
104 }
105
106 protected void addValue(StringBuffer buffer, ModelField field, Object value, List params) {
107 SqlJdbcUtil.addValue(buffer, params == null ? null : field, value, params);
108 }
109
110 public boolean equals(Object obj) {
111 throw new UnsupportedOperationException ("equals:" + getClass().getName());
112 }
113
114 public int hashCode() {
115 throw new UnsupportedOperationException ("hashCode: " + getClass().getName());
116 }
117
118 protected static boolean equals(Object o1, Object o2) {
119 return o1 == null ? o2 == null : o1.equals(o2);
120 }
121
122 protected static int hashCode(Object o) {
123 return o != null ? o.hashCode() : 0;
124 }
125
126 public static Boolean castBoolean(boolean result) {
127 return result ? Boolean.TRUE : Boolean.FALSE;
128 }
129 }
130 |
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