Examples of org.apache.isis.core.metamodel.adapter.version.Version

Package org.apache.isis.core.metamodel.adapter.version

Examples of org.apache.isis.core.metamodel.adapter.version.Version

org.apache.isis.core.metamodel.adapter.version.Version
An instance of this class is held by each {@link ObjectAdapter} and is usedto represent a particular version (at a point in time) of domain object wrapped by that adapter.
This is normally done using some form of incrementing number or timestamp, which would be held within the implementing class. The numbers, timestamps, etc should change for each changed object, and the different() method should indicate that the two Version objects are different.
The user's name and a timestamp should alos be kept so that when an message is passed to the user it can be of the form "user has change object at time"

        final DomainObjectReprRenderer renderer = new DomainObjectReprRenderer(resourceContext, null, JsonRepresentation.newMap());
        renderer.with(objectAdapter).includesSelf();


        final ResponseBuilder respBuilder = ResourceAbstract.responseOfOk(renderer, Caching.NONE);


        final Version version = objectAdapter.getVersion();
        if (version != null && version.getTime() != null) {
            respBuilder.tag(ETAG_FORMAT.format(version.getTime()));
        }
        return respBuilder.build();
    }

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        renderer.with(new ObjectAndActionInvocation(objectAdapter, action, arguments, returnedAdapter)).using(adapterLinkTo);


        final ResponseBuilder respBuilder = ResourceAbstract.responseOfOk(renderer, Caching.NONE);


        final Version version = objectAdapter.getVersion();
        ResourceAbstract.addLastModifiedAndETagIfAvailable(respBuilder, version);


        return respBuilder.build();
    }

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    // ///////////////////////////////////////////////////////


    public void save(final ObjectAdapter adapter) {
        pojoByOidMap.put(adapter.getOid(), adapter.getObject());


        final Version version = versionByOidMap.get(adapter.getOid());
        final Version nextVersion = nextVersion(version);
        versionByOidMap.put(adapter.getOid(), nextVersion);
        adapter.setVersion(nextVersion);
    }

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                throw new IsisException("A mapping already exists for " + oid + ": " + existingAdapterLookedUpByOid);
            }


            final ObjectAdapter recreatedAdapter = getPersistenceSession().mapRecreatedPojo(oid, pojo);


            final Version version = objectStoreInstances.getVersion(oid);
            recreatedAdapter.setVersion(version);
        }
    }

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            try {
                if(concurrencyChecking.isChecking()) {
                    
                    // check for exception, but don't throw if suppressed through thread-local
                    final Version otherVersion = originalOid.getVersion();
                    final Version thisVersion = recreatedOid.getVersion();
                    if(thisVersion != null && 
                       otherVersion != null && 
                       thisVersion.different(otherVersion)) {
                        
                        if(isConcurrencyCheckingGloballyEnabled() && ConcurrencyChecking.isCurrentlyEnabled()) {
                            LOG.info("concurrency conflict detected on " + recreatedOid + " (" + otherVersion + ")");
                            final String currentUser = getAuthenticationSession().getUserName();
                            throw new ConcurrencyException(currentUser, recreatedOid, thisVersion, otherVersion);
                        } else {
                            LOG.warn("concurrency conflict detected but suppressed, on " + recreatedOid + " (" + otherVersion + ")");
                        }
                    }
                }
            } finally {
                final Version originalVersion = originalOid.getVersion();
                final Version recreatedVersion = recreatedOid.getVersion();
                if(recreatedVersion != null && (
                        originalVersion == null || 
                        recreatedVersion.different(originalVersion))
                    ) {
                    if(LOG.isDebugEnabled()) {
                        LOG.debug("updating version in oid, on " + originalOid + " (" + originalVersion + ") to (" + recreatedVersion +")");
                    }
                    originalOid.setVersion(recreatedVersion);

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            getAggregateRoot().checkLock(otherVersion);
            return;
        }
        
        Oid thisOid = getOid();
        final Version thisVersion = thisOid.getVersion();
        
        // check for exception, but don't throw if suppressed through thread-local
        if(thisVersion != null && 
           otherVersion != null && 
           thisVersion.different(otherVersion)) {
            
            if(ConcurrencyChecking.isCurrentlyEnabled()) {
                LOG.info("concurrency conflict detected on " + thisOid + " (" + otherVersion + ")");
                final String currentUser = getAuthenticationSession().getUserName();
                throw new ConcurrencyException(currentUser, thisOid, thisVersion, otherVersion);

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            rootOid.setVersion(version);
        }
    }


    private boolean shouldSetVersion(final Version otherVersion) {
        final Version version = getOid().getVersion();
        return version == null || otherVersion == null || otherVersion.different(version);
    }

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            str.append("class", getObject().getClass().getName());
        } else {
            str.append("specification", getSpecification().getShortIdentifier());
        }
        if(getOid() != null) {
            final Version version = getOid().getVersion();
            str.append("version", version != null ? version.sequence() : null);
        }
    }

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        final String collectionName = collectionPart != null ? collectionPart.substring(1) : null;
        
        final String versionSequence = getGroup(matcher, 10);
        final String versionUser = getGroup(matcher, 11); 
        final String versionUtcTimestamp = getGroup(matcher, 12);
        final Version version = Version.create(versionSequence, versionUser, versionUtcTimestamp);


        if(collectionName == null) {
            if(aggregateOidParts.isEmpty()) {
                ensureCorrectType(oidStr, requestedType, RootOidDefault.class); 
                return (T)new RootOidDefault(ObjectSpecId.of(rootObjectType), rootIdentifier, state, version);

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            try {
                if(concurrencyChecking.isChecking()) {
                    
                    // check for exception, but don't throw if suppressed through thread-local
                    final Version otherVersion = originalOid.getVersion();
                    final Version thisVersion = recreatedOid.getVersion();
                    if(thisVersion != null && 
                       otherVersion != null && 
                       thisVersion.different(otherVersion)) {
                        
                        if(isConcurrencyCheckingGloballyEnabled() && ConcurrencyChecking.isCurrentlyEnabled()) {
                            LOG.info("concurrency conflict detected on " + recreatedOid + " (" + otherVersion + ")");
                            final String currentUser = getAuthenticationSession().getUserName();
                            throw new ConcurrencyException(currentUser, recreatedOid, thisVersion, otherVersion);
                        } else {
                            LOG.warn("concurrency conflict detected but suppressed, on " + recreatedOid + " (" + otherVersion + ")");
                        }
                    }
                }
            } finally {
                
                final Version originalVersion = originalOid.getVersion();
                final Version recreatedVersion = recreatedOid.getVersion();
                if(recreatedVersion != null && (
                        originalVersion == null || 
                        recreatedVersion.different(originalVersion))
                    ) {
                   LOG.info("updating version in oid, on " + originalOid + " (" + originalVersion + ") to (" + recreatedVersion +")");
                   originalOid.setVersion(recreatedVersion);
                }
            }

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