Package org.apache.openjpa.util

Examples of org.apache.openjpa.util.Proxy

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        populate(cal);
        assertCalendarsEquals(cal, (Calendar) orig.clone());
    }

    public void testCalendarAbstractClassProxy() {
        Proxy cal = _mgr.newCalendarProxy(Calendar.class, null);
        assertNotNull(cal);
    }
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     * Proxy the held field if needed. Return true if the field needs to
     * be replaced with the now-proxied instance.
     */
    public boolean proxy(boolean reset, boolean replaceNull) {
        FieldMetaData fmd = _sm.getMetaData().getField(field);
        Proxy proxy = null;
        boolean ret = false;
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.DATE:
                if (objval == null)
                    return false;
                proxy = checkProxy(fmd);
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    ((Date) proxy).setTime(((Date) objval).getTime());
                    if (proxy instanceof Timestamp && objval instanceof Timestamp)
                        ((Timestamp) proxy).setNanos(((Timestamp) objval).getNanos());
                    ret = true;
                }
                break;
            case JavaTypes.CALENDAR:
                if (objval == null)
                    return false;
                proxy = checkProxy(fmd);
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    ((Calendar) proxy).setTime(((Calendar) objval).getTime());
                    ret = true;
                } else {
                    Object init = fmd.getInitializer();
                    if (init != null && init instanceof TimeZone) {
                        ((Calendar) proxy).setTimeZone((TimeZone)init);
                    }
                }
                break;
            case JavaTypes.COLLECTION:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy(fmd);
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Collection) proxy).addAll((Collection) objval);
                    ret = true;
                }
                break;
            case JavaTypes.MAP:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy(fmd);
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Map) proxy).putAll((Map) objval);
                    ret = true;
                }
                break;
            case JavaTypes.OBJECT:
                if (objval == null)
                    return false;
                proxy = checkProxy(fmd);
                if (proxy == null) {
                    proxy = getProxyManager().newCustomProxy(objval,
                        _sm.getBroker().getConfiguration().
                        getCompatibilityInstance().getAutoOff());
                    ret = proxy != null;
                }
                break;
        }

        if (proxy != null) {
            proxy.setOwner(_sm, field);
            ChangeTracker tracker = proxy.getChangeTracker();
            if (reset && tracker != null) {
                if (fmd.getDeclaredTypeCode() == JavaTypes.MAP) {
                    // track values if key is derived from value, else keys
                    boolean keys = fmd.getKey().getValueMappedBy() == null;
                    ((MapChangeTracker) tracker).setTrackKeys(keys);
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     */
    private Proxy checkProxy(FieldMetaData fmd) {
        if (!(objval instanceof Proxy))
            return null;

        Proxy proxy = (Proxy) objval;
        if (proxy.getOwner() == null || Proxies.isOwner(proxy, _sm, field)) {
            if (fmd.getProxyType().isAssignableFrom(proxy.getClass())
                    || (fmd.isLRS() && (objval instanceof LRSProxy))) {
                return proxy;
            }
        }
        return null;
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            case JavaTypes.COLLECTION:
            case JavaTypes.MAP:
            case JavaTypes.DATE:
            case JavaTypes.OBJECT:
                if (objval instanceof Proxy) {
                    Proxy proxy = (Proxy) objval;
                    proxy.setOwner(null, -1);
                    if (proxy.getChangeTracker() != null)
                        proxy.getChangeTracker().stopTracking();
                }
        }
    }
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                case JavaTypes.CALENDAR:
                case JavaTypes.DATE:
                case JavaTypes.OBJECT:
                    sm.provideField(getDetachedPersistenceCapable(), this, i);
                    if (objval instanceof Proxy) {
                        Proxy proxy = (Proxy) objval;
                        if (proxy.getChangeTracker() != null)
                            proxy.getChangeTracker().stopTracking();
                        proxy.setOwner(dsm, (dsm == null) ? -1 : i);
                    }
                }
            }
            clear();
        }
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     * Proxy the held field if needed. Return true if the field needs to
     * be replaced with the now-proxied instance.
     */
    public boolean proxy(boolean reset, boolean replaceNull) {
        FieldMetaData fmd = _sm.getMetaData().getField(field);
        Proxy proxy = null;
        boolean ret = false;
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.DATE:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    ((Date) proxy).setTime(((Date) objval).getTime());
                    if (proxy instanceof Timestamp
                        && objval instanceof Timestamp)
                        ((Timestamp) proxy).setNanos(((Timestamp) objval).
                            getNanos());
                    ret = true;
                }
                break;
            case JavaTypes.CALENDAR:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    Calendar pcal = (Calendar) proxy;
                    Calendar ocal = (Calendar) objval;
                    pcal.setTime (ocal.getTime ());
                    pcal.setTimeZone (ocal.getTimeZone ());
                    ret = true;
                }
                break;
            case JavaTypes.COLLECTION:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Collection) proxy).addAll((Collection) objval);
                    ret = true;
                }
                break;
            case JavaTypes.MAP:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Map) proxy).putAll((Map) objval);
                    ret = true;
                }
                break;
            case JavaTypes.OBJECT:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = getProxyManager().newCustomProxy(objval);
                    ret = proxy != null;
                }
                break;
        }

        if (proxy != null) {
            proxy.setOwner(_sm, field);
            ChangeTracker tracker = proxy.getChangeTracker();
            if (reset && tracker != null) {
                if (fmd.getDeclaredTypeCode() == JavaTypes.MAP) {
                    // track values if key is derived from value, else keys
                    boolean keys = fmd.getKey().getValueMappedBy() == null;
                    ((MapChangeTracker) tracker).setTrackKeys(keys);
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     */
    private Proxy checkProxy() {
        if (!(objval instanceof Proxy))
            return null;

        Proxy proxy = (Proxy) objval;
        if (proxy.getOwner() == null || Proxies.isOwner(proxy, _sm, field))
            return proxy;
        return null;
    }
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            case JavaTypes.COLLECTION:
            case JavaTypes.MAP:
            case JavaTypes.DATE:
            case JavaTypes.OBJECT:
                if (objval instanceof Proxy) {
                    Proxy proxy = (Proxy) objval;
                    proxy.setOwner(null, -1);
                    if (proxy.getChangeTracker() != null)
                        proxy.getChangeTracker().stopTracking();
                }
        }
    }
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                    // no break
                case JavaTypes.DATE:
                case JavaTypes.OBJECT:
                    sm.provideField(getDetachedPersistenceCapable(), this, i);
                    if (objval instanceof Proxy) {
                        Proxy proxy = (Proxy) objval;
                        if (proxy.getChangeTracker() != null)
                            proxy.getChangeTracker().stopTracking();
                        proxy.setOwner(dsm, (dsm == null) ? -1 : i);
                    }
                }
            }
            clear();
        }
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     * Proxy the held field if needed. Return true if the field needs to
     * be replaced with the now-proxied instance.
     */
    public boolean proxy(boolean reset, boolean replaceNull) {
        FieldMetaData fmd = _sm.getMetaData().getField(field);
        Proxy proxy = null;
        boolean ret = false;
        switch (fmd.getDeclaredTypeCode()) {
            case JavaTypes.DATE:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    ((Date) proxy).setTime(((Date) objval).getTime());
                    if (proxy instanceof Timestamp
                        && objval instanceof Timestamp)
                        ((Timestamp) proxy).setNanos(((Timestamp) objval).
                            getNanos());
                    ret = true;
                }
                break;
            case JavaTypes.CALENDAR:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    ((Calendar) proxy).setTime(((Calendar) objval).getTime());
                    ret = true;
                }
                break;
            case JavaTypes.COLLECTION:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Collection) proxy).addAll((Collection) objval);
                    ret = true;
                }
                break;
            case JavaTypes.MAP:
                if (objval == null && !replaceNull)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = (Proxy) _sm.newFieldProxy(field);
                    if (objval != null)
                        ((Map) proxy).putAll((Map) objval);
                    ret = true;
                }
                break;
            case JavaTypes.OBJECT:
                if (objval == null)
                    return false;
                proxy = checkProxy();
                if (proxy == null) {
                    proxy = getProxyManager().newCustomProxy(objval,
                        _sm.getBroker().getConfiguration().
                        getCompatibilityInstance().getAutoOff());
                    ret = proxy != null;
                }
                break;
        }

        if (proxy != null) {
            proxy.setOwner(_sm, field);
            ChangeTracker tracker = proxy.getChangeTracker();
            if (reset && tracker != null) {
                if (fmd.getDeclaredTypeCode() == JavaTypes.MAP) {
                    // track values if key is derived from value, else keys
                    boolean keys = fmd.getKey().getValueMappedBy() == null;
                    ((MapChangeTracker) tracker).setTrackKeys(keys);
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Related Classes of org.apache.openjpa.util.Proxy

  • org.apache.openjpa.jdbc.meta.strats.RelationToManyInverseKeyFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.RelationToManyTableFieldStrategy
  • org.apache.openjpa.jdbc.meta.strats.StoreCollectionFieldStrategy
  • org.apache.openjpa.kernel.DetachManager$DetachFieldManager
  • org.apache.openjpa.kernel.DetachManagerLite
  • org.apache.openjpa.kernel.SingleFieldManager
  • org.apache.openjpa.util.TestProxyManager
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