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package org.mule.transport.jdbc.store; |
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import java.io.Serializable; |
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import java.sql.SQLException; |
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import org.apache.commons.dbutils.ResultSetHandler; |
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import org.apache.commons.dbutils.handlers.ArrayHandler; |
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import org.mule.api.store.ObjectAlreadyExistsException; |
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import org.mule.api.store.ObjectDoesNotExistException; |
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import org.mule.api.store.ObjectStoreException; |
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import org.mule.api.transaction.TransactionCallback; |
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import org.mule.api.transaction.TransactionConfig; |
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import org.mule.config.i18n.CoreMessages; |
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import org.mule.transaction.TransactionTemplate; |
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import org.mule.transport.jdbc.JdbcConnector; |
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import org.mule.util.store.AbstractMonitoredObjectStore; |
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24 | 0 | public class JdbcObjectStore<T extends Serializable> extends AbstractMonitoredObjectStore<T> |
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{ |
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private JdbcConnector jdbcConnector; |
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private TransactionConfig transactionConfig; |
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private String insertQueryKey; |
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private String selectQueryKey; |
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private String deleteQueryKey; |
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private ArrayHandler arrayHandler; |
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public JdbcObjectStore() |
36 | 0 | { |
37 | 0 | this.arrayHandler = new ArrayHandler(); |
38 | 0 | this.maxEntries = -1; |
39 | 0 | } |
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protected void expire() |
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{ |
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47 | 0 | } |
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public boolean contains(Serializable key) throws ObjectStoreException |
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{ |
54 | 0 | this.notNullKey(key); |
55 | 0 | Object[] result = (Object[]) this.query(this.getSelectQuery(), this.arrayHandler, key); |
56 | 0 | return result != null; |
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} |
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public T remove(Serializable key) throws ObjectStoreException |
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{ |
64 | 0 | this.notNullKey(key); |
65 | 0 | T value = this.retrieve(key); |
66 | 0 | this.update(this.getDeleteQuery(), key); |
67 | 0 | return value; |
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} |
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public T retrieve(Serializable key) throws ObjectStoreException |
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{ |
75 | 0 | Object[] row = (Object[]) this.query(this.getSelectQuery(), this.arrayHandler, key); |
76 | 0 | if (row == null) |
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{ |
78 | 0 | throw new ObjectDoesNotExistException(CoreMessages.objectNotFound(key)); |
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} |
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else |
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{ |
82 | 0 | return (T) row[1]; |
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} |
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} |
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public void store(Serializable key, T value, String[] parameters) throws ObjectStoreException |
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{ |
88 | 0 | Object[] arguments = new Object[2 + parameters.length]; |
89 | 0 | arguments[0] = key; |
90 | 0 | arguments[1] = value; |
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92 | 0 | for (int i = 0; i < parameters.length; i++) |
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{ |
94 | 0 | String parameter = parameters[i]; |
95 | 0 | arguments[2 + i] = parameter; |
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} |
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98 | 0 | this.update(this.getInsertQuery(), arguments); |
99 | 0 | } |
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public void store(Serializable key, T value) throws ObjectStoreException |
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{ |
106 | 0 | this.notNullKey(key); |
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try |
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{ |
109 | 0 | this.update(this.getInsertQuery(), key, value); |
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} |
111 | 0 | catch (ObjectStoreException e) |
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{ |
113 | 0 | throw new ObjectAlreadyExistsException(e); |
114 | 0 | } |
115 | 0 | } |
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private void notNullKey(Serializable key) throws ObjectStoreException |
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{ |
125 | 0 | if (key == null) |
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{ |
127 | 0 | throw new ObjectStoreException(CoreMessages.objectIsNull("id")); |
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} |
129 | 0 | } |
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private Object query(final String sql, final ResultSetHandler handler, final Object... arguments) |
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throws ObjectStoreException |
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{ |
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try |
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{ |
145 | 0 | TransactionTemplate<Object> tt = new TransactionTemplate<Object>(this.transactionConfig, |
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this.jdbcConnector.getMuleContext()); |
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148 | 0 | Object result = tt.execute(new TransactionCallback<Object>() |
149 | 0 | { |
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public Object doInTransaction() throws Exception |
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{ |
152 | 0 | return jdbcConnector.getQueryRunner().query(sql, handler, arguments); |
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} |
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}); |
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156 | 0 | return result; |
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} |
158 | 0 | catch (SQLException e) |
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{ |
160 | 0 | throw new ObjectStoreException(e); |
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} |
162 | 0 | catch (Exception e) |
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{ |
164 | 0 | throw new ObjectStoreException(e); |
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} |
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} |
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private Object update(final String sql, final Object... arguments) throws ObjectStoreException |
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{ |
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try |
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{ |
180 | 0 | TransactionTemplate<Object> tt = new TransactionTemplate<Object>(this.transactionConfig, |
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this.jdbcConnector.getMuleContext()); |
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|
183 | 0 | Object result = tt.execute(new TransactionCallback<Object>() |
184 | 0 | { |
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public Object doInTransaction() throws Exception |
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{ |
187 | 0 | return jdbcConnector.getQueryRunner().update(sql, arguments); |
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} |
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}); |
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191 | 0 | return result; |
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} |
193 | 0 | catch (SQLException e) |
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{ |
195 | 0 | throw new ObjectStoreException(e); |
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} |
197 | 0 | catch (Exception e) |
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{ |
199 | 0 | throw new ObjectStoreException(e); |
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} |
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} |
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public JdbcConnector getJdbcConnector() |
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{ |
205 | 0 | return jdbcConnector; |
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} |
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public void setJdbcConnector(JdbcConnector jdbcConnector) |
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{ |
210 | 0 | this.jdbcConnector = jdbcConnector; |
211 | 0 | } |
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public TransactionConfig getTransactionConfig() |
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{ |
215 | 0 | return transactionConfig; |
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} |
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public void setTransactionConfig(TransactionConfig transactionConfig) |
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{ |
220 | 0 | this.transactionConfig = transactionConfig; |
221 | 0 | } |
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public String getInsertQuery() |
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{ |
225 | 0 | return (String) this.jdbcConnector.getQueries().get(this.insertQueryKey); |
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} |
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public String getSelectQuery() |
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{ |
230 | 0 | return (String) this.jdbcConnector.getQueries().get(this.selectQueryKey); |
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} |
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public String getDeleteQuery() |
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{ |
235 | 0 | return (String) this.jdbcConnector.getQueries().get(this.deleteQueryKey); |
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} |
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public String getInsertQueryKey() |
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{ |
240 | 0 | return insertQueryKey; |
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} |
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public void setInsertQueryKey(String insertQueryKey) |
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{ |
245 | 0 | this.insertQueryKey = insertQueryKey; |
246 | 0 | } |
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public String getSelectQueryKey() |
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{ |
250 | 0 | return selectQueryKey; |
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} |
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public void setSelectQueryKey(String selectQueryKey) |
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{ |
255 | 0 | this.selectQueryKey = selectQueryKey; |
256 | 0 | } |
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public String getDeleteQueryKey() |
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{ |
260 | 0 | return deleteQueryKey; |
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} |
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public void setDeleteQueryKey(String deleteQueryKey) |
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{ |
265 | 0 | this.deleteQueryKey = deleteQueryKey; |
266 | 0 | } |
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} |