Examples of org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy

Package org.eclipse.persistence.descriptors.invalidation

Examples of org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy

org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy
PUBLIC: A CacheInvalidationPolicy is used to set objects in TopLink's identity maps to be invalid following given rules. CacheInvalidationPolicy is the abstract superclass for all policies used for cache invalidation. By default in EclipseLink, objects do not expire in the cache. Several different policies are available to allow objects to expire. These can be set on the ClassDescriptor. @see org.eclipse.persistence.descriptors.ClassDescriptor @see org.eclipse.persistence.descriptors.invalidation.NoExpiryCacheInvalidationPolicy @see org.eclipse.persistence.descriptors.invalidation.DailyCacheInvalidationPolicy @see org.eclipse.persistence.descriptors.invalidation.TimeToLiveCacheInvalidationPolicy

     * Check if the object is invalid and refresh it.
     * This is used to ensure that no invalid objects are registered.
     */
    public void checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor) {
        if (!isNestedUnitOfWork() && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            if (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey)) {
                ReadObjectQuery query = new ReadObjectQuery();
                query.setReferenceClass(object.getClass());
                query.setSelectionKey(cacheKey.getKey());
                query.refreshIdentityMapResult();
                query.setIsExecutionClone(true);

View Full Code Here

     * Check if the object is invalid and should be refreshed, return true, otherwise return false.
     * This is used to ensure that no invalid objects are registered.
     */
    public boolean checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor, UnitOfWorkImpl unitOfWork) {
        if (!unitOfWork.isNestedUnitOfWork() && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            return (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey));
        }
        return false;
    }

View Full Code Here

     * Check if the object is invalid and refresh it.
     * This is used to ensure that no invalid objects are registered.
     */
    public void checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor) {
        if (!this.isNestedUnitOfWork && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            if (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey)) {
                ReadObjectQuery query = new ReadObjectQuery();
                query.setReferenceClass(object.getClass());
                query.setSelectionId(cacheKey.getKey());
                query.refreshIdentityMapResult();
                query.setIsExecutionClone(true);

View Full Code Here

                ExpressionBuilder builder = selectionCriteria.getBuilder();
                if (builder.getSession() == null) {
                    builder.setSession(this.session.getRootSession(null));
                    builder.setQueryClass(theClass);
                }
                CacheInvalidationPolicy cacheInvalidationPolicy = descriptor.getCacheInvalidationPolicy();
                int inMemoryQueryIndirectionPolicy = InMemoryQueryIndirectionPolicy.SHOULD_IGNORE_EXCEPTION_RETURN_NOT_CONFORMED;
                if (shouldInvalidateOnException) {
                    inMemoryQueryIndirectionPolicy = InMemoryQueryIndirectionPolicy.SHOULD_IGNORE_EXCEPTION_RETURN_CONFORMED;
                }


                // cache the current time to avoid calculating it every time through the loop
                long currentTimeInMillis = System.currentTimeMillis();
                //Enumeration doesn't checkReadLocks
                for (Enumeration cacheEnum = map.keys(false); cacheEnum.hasMoreElements();) {
                    CacheKey key = (CacheKey)cacheEnum.nextElement();
                    Object object = key.getObject();
                    if (object == null || cacheInvalidationPolicy.isInvalidated(key, currentTimeInMillis)) {
                        continue;
                    }


                    // Must check for inheritance.
                    if (!isChildDescriptor || (object.getClass() == theClass) || (theClass.isInstance(object))) {

View Full Code Here

         * Check if the object is invalid and *should* be refreshed.
         * This is used to ensure that no invalid objects are cloned.
         */
        public boolean isConsideredInvalid(Object object, CacheKey cacheKey, ClassDescriptor descriptor) {
            if (cacheKey.getObject() != null) {
                CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
                // BUG#6671556 refresh invalid objects when accessed in the unit of work.
                return (cachePolicy.shouldRefreshInvalidObjectsOnClone() && cachePolicy.isInvalidated(cacheKey));
            }
            return false;
        }

View Full Code Here

     * Check if the object is invalid and refresh it.
     * This is used to ensure that no invalid objects are registered.
     */
    public void checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor) {
        if (!this.isNestedUnitOfWork && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            if (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey)) {
                ReadObjectQuery query = new ReadObjectQuery();
                query.setReferenceClass(object.getClass());
                query.setSelectionId(cacheKey.getKey());
                query.refreshIdentityMapResult();
                query.setIsExecutionClone(true);

View Full Code Here

     * Check if the object is invalid and refresh it.
     * This is used to ensure that no invalid objects are registered.
     */
    public void checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor) {
        if (!isNestedUnitOfWork() && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            if (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey)) {
                ReadObjectQuery query = new ReadObjectQuery();
                query.setReferenceClass(object.getClass());
                query.setSelectionKey(cacheKey.getKey());
                query.refreshIdentityMapResult();
                query.setIsExecutionClone(true);

View Full Code Here

                ExpressionBuilder builder = selectionCriteria.getBuilder();
                if (builder.getSession() == null) {
                    builder.setSession(getSession().getRootSession(null));
                    builder.setQueryClass(theClass);
                }
                CacheInvalidationPolicy cacheInvalidationPolicy = descriptor.getCacheInvalidationPolicy();
                int inMemoryQueryIndirectionPolicy = InMemoryQueryIndirectionPolicy.SHOULD_IGNORE_EXCEPTION_RETURN_NOT_CONFORMED;
                if (shouldInvalidateOnException) {
                    inMemoryQueryIndirectionPolicy = InMemoryQueryIndirectionPolicy.SHOULD_IGNORE_EXCEPTION_RETURN_CONFORMED;
                }


                // cache the current time to avoid calculating it every time through the loop
                long currentTimeInMillis = System.currentTimeMillis();
                //Enumeration doesn't checkReadLocks
                for (Enumeration cacheEnum = map.keys(false); cacheEnum.hasMoreElements();) {
                    CacheKey key = (CacheKey)cacheEnum.nextElement();
                    Object object = key.getObject();
                    if (object == null || cacheInvalidationPolicy.isInvalidated(key, currentTimeInMillis)) {
                        continue;
                    }


                    // Must check for inheritance.
                    if (!isChildDescriptor || (object.getClass() == theClass) || (theClass.isInstance(object))) {

View Full Code Here

     * Check if the object is invalid and should be refreshed, return true, otherwise return false.
     * This is used to ensure that no invalid objects are registered.
     */
    public boolean checkInvalidObject(Object object, CacheKey cacheKey, ClassDescriptor descriptor, UnitOfWorkImpl unitOfWork) {
        if (!unitOfWork.isNestedUnitOfWork() && (cacheKey.getObject() != null)) {
            CacheInvalidationPolicy cachePolicy = descriptor.getCacheInvalidationPolicy();
            // BUG#6671556 refresh invalid objects when accessed in the unit of work.
            return (cachePolicy.shouldRefreshInvalidObjectsInUnitOfWork() && cachePolicy.isInvalidated(cacheKey));
        }
        return false;
    }

View Full Code Here

    /**
     * INTERNAL:
     * Potentially override the cache invalidation behavior
     */
    protected void initializeCacheInvalidationPolicy() {
        CacheInvalidationPolicy parentPolicyClone = (CacheInvalidationPolicy)getParentDescriptor().getCacheInvalidationPolicy().clone(); 
        getDescriptor().setCacheInvalidationPolicy(parentPolicyClone);
    }

View Full Code Here

0 1 2 3 4 5

TOP

Related Classes of org.eclipse.persistence.descriptors.invalidation.CacheInvalidationPolicy

org.eclipse.persistence.descriptors.InheritancePolicy

org.eclipse.persistence.internal.helper.WriteLockManager

org.eclipse.persistence.internal.identitymaps.IdentityMapManager

org.eclipse.persistence.internal.sessions.AbstractSession

org.eclipse.persistence.internal.sessions.UnitOfWorkImpl

java.util.Random

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.