Package org.apache.ojb.broker

Examples of org.apache.ojb.broker.PersistenceBrokerInternal

121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
    public static PersistenceBrokerInternal currentPersistenceBroker(PBKey key)
            throws PBFactoryException, PersistenceBrokerException
    {
        HashMap map = (HashMap) currentBrokerMap.get();
        WeakHashMap set;
        PersistenceBrokerInternal broker = null;

        if(map == null)
        {
            return null;
        }

        set = (WeakHashMap) map.get(key);
        if(set == null)
        {
            return null;
        }

        // seek for an open broker, preferably in transaction
        for(Iterator it = set.keySet().iterator(); it.hasNext();)
        {
            PersistenceBrokerInternal tmp = (PersistenceBrokerInternal) it.next();
            if(tmp == null || tmp.isClosed())
            {
                it.remove();
                continue;
            }
            broker = tmp;
            if(tmp.isInTransaction())
            {
                break; // the best choice found
            }
        }
        return broker;
View Full Code Here
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
     * @throws PBFactoryException
     */
    public PersistenceBrokerInternal createPersistenceBroker(PBKey pbKey) throws PBFactoryException
    {
        if (log.isDebugEnabled()) log.debug("Obtain broker from pool, used PBKey is " + pbKey);
        PersistenceBrokerInternal broker = null;

        /*
        try to find a valid PBKey, if given key does not full match
        */
        pbKey = BrokerHelper.crossCheckPBKey(pbKey);

        try
        {
            /*
            get a pooled PB instance, the pool is reponsible to create new
            PB instances if not found in pool
            */
            broker = ((PersistenceBrokerInternal) brokerPool.borrowObject(pbKey));
            /*
            now warp pooled PB instance with a handle to avoid PB corruption
            of closed PB instances.
            */
            broker = wrapRequestedBrokerInstance(broker);

        }
        catch (Exception e)
        {
            try
            {
                // if something going wrong, tryto close broker
                if(broker != null) broker.close();
            }
            catch (Exception ignore)
            {
                //ignore it
            }
View Full Code Here
95
96
97
98
99
100
101
102
103
104
105
                    ", already created persistence broker instances: " + instanceCount);
            // useful for testing
            ++this.instanceCount;
        }

        PersistenceBrokerInternal instance = null;
        Class[] types = {PBKey.class, PersistenceBrokerFactoryIF.class};
        Object[] args = {key, this};
        try
        {
            instance = (PersistenceBrokerInternal) ClassHelper.newInstance(implementationClass, types, args);
View Full Code Here
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
     *
     * @return a PersistenceBroker
     */
    protected TemporaryBrokerWrapper getBroker() throws PBFactoryException
    {
        PersistenceBrokerInternal broker;
        boolean needsClose = false;

        if (getBrokerKey() == null)
        {
            /*
            arminw:
            if no PBKey is set we throw an exception, because we don't
            know which PB (connection) should be used.
            */
            throw new OJBRuntimeException("Can't find associated PBKey. Need PBKey to obtain a valid" +
                                          "PersistenceBroker instance from intern resources.");
        }
        // first try to use the current threaded broker to avoid blocking
        broker = PersistenceBrokerThreadMapping.currentPersistenceBroker(getBrokerKey());
        // current broker not found, create a intern new one
        if ((broker == null) || broker.isClosed())
        {
            broker = (PersistenceBrokerInternal) PersistenceBrokerFactory.createPersistenceBroker(getBrokerKey());
            /** Specifies whether we obtained a fresh broker which we have to close after we used it */
            needsClose = true;
        }
View Full Code Here
TOP

Related Classes of org.apache.ojb.broker.PersistenceBrokerInternal

  • org.apache.ojb.broker.core.PersistenceBrokerFactoryBaseImpl
  • org.apache.ojb.broker.core.PersistenceBrokerFactoryDefaultImpl
  • org.apache.ojb.broker.core.PersistenceBrokerThreadMapping
  • org.apache.ojb.broker.core.proxy.AbstractIndirectionHandler
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.