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package org.kuali.rice.krad.bo; |
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import java.lang.reflect.Field; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.List; |
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import java.util.Map; |
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import javax.persistence.AttributeOverride; |
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import javax.persistence.AttributeOverrides; |
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import javax.persistence.Column; |
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import javax.persistence.Id; |
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import javax.persistence.JoinColumn; |
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import javax.persistence.JoinColumns; |
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import javax.persistence.OneToMany; |
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import javax.persistence.Table; |
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import org.kuali.rice.kim.bo.entity.impl.KimEntityDefaultInfoCacheImpl; |
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43 | 0 | public class JpaToDdl { |
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public static void main( String[] args ) { |
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|
47 | 0 | Class<? extends PersistableBusinessObjectBase> clazz = KimEntityDefaultInfoCacheImpl.class; |
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|
50 | 0 | StringBuffer sb = new StringBuffer( 1000 ); |
51 | 0 | StringBuffer pk = new StringBuffer(); |
52 | 0 | Table tableAnnotation = (Table)clazz.getAnnotation( Table.class ); |
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|
54 | 0 | sb.append( "CREATE TABLE " ).append( tableAnnotation.name().toLowerCase() ).append( " (\r\n" ); |
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56 | 0 | getClassFields( tableAnnotation.name().toLowerCase(), clazz, sb, pk, null ); |
57 | 0 | pk.append( " )\r\n" ); |
58 | 0 | sb.append( pk ); |
59 | 0 | sb.append( ")\r\n" ); |
60 | 0 | sb.append( "/\r\n" ); |
61 | 0 | System.out.println( sb.toString() ); |
62 | 0 | sb.setLength( 0 ); |
63 | 0 | getReferences( clazz, sb ); |
64 | 0 | System.out.println( sb.toString() ); |
65 | 0 | } |
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private static String javaToSqlDataType( Class<? extends Object> dataType ) { |
69 | 0 | if ( dataType.equals( String.class ) ) { |
70 | 0 | return "VARCHAR(40)"; |
71 | 0 | } else if (dataType.equals(Long.class) || dataType.equals(Integer.class)) { |
72 | 0 | return "NUMBER(?,?)"; |
73 | 0 | } else if (dataType.equals(java.util.Date.class) || dataType.equals(java.sql.Date.class)) { |
74 | 0 | return "DATE"; |
75 | 0 | } else if (dataType.equals(java.sql.Timestamp.class)) { |
76 | 0 | return "TIMESTAMP"; |
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} |
78 | 0 | return "VARCHAR(40)"; |
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} |
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private static void getClassFields( String tableName, Class<? extends Object> clazz, StringBuffer sb, StringBuffer pk, Map<String,AttributeOverride> overrides ) { |
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83 | 0 | if ( overrides == null ) { |
84 | 0 | overrides = new HashMap<String,AttributeOverride>(); |
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} |
86 | 0 | if ( clazz.getAnnotation( AttributeOverride.class ) != null ) { |
87 | 0 | AttributeOverride ao = (AttributeOverride)clazz.getAnnotation( AttributeOverride.class ); |
88 | 0 | if ( !overrides.containsKey(ao.name() ) ) { |
89 | 0 | overrides.put(ao.name(), ao); |
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} |
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} |
92 | 0 | if ( clazz.getAnnotation( AttributeOverrides.class ) != null ) { |
93 | 0 | for ( AttributeOverride ao : ((AttributeOverrides)clazz.getAnnotation( AttributeOverrides.class )).value() ) { |
94 | 0 | if ( !overrides.containsKey(ao.name() ) ) { |
95 | 0 | overrides.put(ao.name(), ao); |
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} |
97 | 0 | overrides.put(ao.name(),ao); |
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} |
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} |
100 | 0 | for ( Field field : clazz.getDeclaredFields() ) { |
101 | 0 | Id id = (Id)field.getAnnotation( Id.class ); |
102 | 0 | Column column = (Column)field.getAnnotation( Column.class ); |
103 | 0 | if ( column != null ) { |
104 | 0 | sb.append( "\t" ); |
105 | 0 | if ( field.getName().equals( "objectId" ) ) { |
106 | 0 | sb.append( "obj_id\t\tVARCHAR2(36) NOT NULL" ); |
107 | 0 | } else if ( field.getName().equals( "versionNumber" ) ) { |
108 | 0 | sb.append( "ver_nbr\t\tNUMBER(8,0)" ); |
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} else { |
110 | 0 | if ( overrides.containsKey(field.getName() ) ) { |
111 | 0 | sb.append( overrides.get(field.getName()).column().name().toLowerCase() ); |
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} else { |
113 | 0 | sb.append( column.name().toLowerCase() ); |
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} |
115 | 0 | sb.append( "\t\t" ); |
116 | 0 | if ( field.getType() == boolean.class ) { |
117 | 0 | sb.append( "VARCHAR2(1) DEFAULT 'Y'" ); |
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} else { |
119 | 0 | sb.append( javaToSqlDataType( field.getType() ) ); |
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} |
121 | 0 | if ( id != null ) { |
122 | 0 | if ( pk.length() == 0 ) { |
123 | 0 | pk.append( "\tCONSTRAINT " + tableName + "p1 PRIMARY KEY ( " ); |
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} else { |
125 | 0 | pk.append( ", " ); |
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} |
127 | 0 | if ( overrides.containsKey(field.getName() ) ) { |
128 | 0 | pk.append( overrides.get(field.getName()).column().name().toLowerCase() ); |
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} else { |
130 | 0 | pk.append( column.name().toLowerCase() ); |
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} |
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} |
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} |
134 | 0 | sb.append( ",\r\n" ); |
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} |
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} |
137 | 0 | if ( !clazz.equals( PersistableBusinessObject.class ) && clazz.getSuperclass() != null ) { |
138 | 0 | getClassFields( tableName, clazz.getSuperclass(), sb, pk, overrides ); |
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} |
140 | 0 | } |
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private static void getReferences( Class<? extends Object> clazz, StringBuffer sb ) { |
143 | 0 | for ( Field field : clazz.getDeclaredFields() ) { |
144 | 0 | JoinColumns multiKey = (JoinColumns)field.getAnnotation( JoinColumns.class ); |
145 | 0 | JoinColumn singleKey = (JoinColumn)field.getAnnotation( JoinColumn.class ); |
146 | 0 | if ( multiKey != null || singleKey != null ) { |
147 | 0 | List<JoinColumn> keys = new ArrayList<JoinColumn>(); |
148 | 0 | if ( singleKey != null ) { |
149 | 0 | keys.add( singleKey ); |
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} |
151 | 0 | if ( multiKey != null ) { |
152 | 0 | for ( JoinColumn col : multiKey.value() ) { |
153 | 0 | keys.add( col ); |
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} |
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} |
156 | 0 | OneToMany oneToMany = field.getAnnotation( OneToMany.class ); |
157 | 0 | if ( oneToMany != null ) { |
158 | 0 | sb.append( "ALTER TABLE " ); |
159 | 0 | sb.append( field.getName() ); |
160 | 0 | sb.append( "\" element-class-ref=\"" ); |
161 | 0 | sb.append( oneToMany.targetEntity().getName() ); |
162 | 0 | sb.append( "\" collection-class=\"org.apache.ojb.broker.util.collections.ManageableArrayList\" auto-retrieve=\"true\" auto-update=\"object\" auto-delete=\"object\" proxy=\"true\">\r\n" ); |
163 | 0 | for ( JoinColumn col : keys ) { |
164 | 0 | sb.append( " <inverse-foreignkey field-ref=\"" ); |
165 | 0 | sb.append( getPropertyFromField( clazz, col.name() ) ); |
166 | 0 | sb.append( "\" />\r\n" ); |
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} |
168 | 0 | sb.append( " </collection-descriptor>\r\n" ); |
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} |
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} |
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} |
172 | 0 | } |
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private static String getPropertyFromField( Class<? extends Object> clazz, String colName ) { |
175 | 0 | for ( Field field : clazz.getDeclaredFields() ) { |
176 | 0 | Column column = (Column)field.getAnnotation( Column.class ); |
177 | 0 | if ( column != null ) { |
178 | 0 | if ( column.name().equals( colName ) ) { |
179 | 0 | return field.getName(); |
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} |
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} |
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} |
183 | 0 | return ""; |
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} |
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} |