Examples of org.jboss.dna.connector.federation.merge.MergePlan

Package org.jboss.dna.connector.federation.merge

Examples of org.jboss.dna.connector.federation.merge.MergePlan

org.jboss.dna.connector.federation.merge.MergePlan
This class represents the details about how information from different sources are merged into a single federated node.
A merge plan basically consists of the individual contribution from each source and the information about how these contributions were merged into the single federated node.

Merge plans are designed to be {@link Serializable serializable}, as they are persisted on the federated node and deserialized to assist in the management of the federated node.
@author Randall Hauch

        // Set the UUID as a property ...
        Property uuidProperty = context.getPropertyFactory().create(DnaLexicon.UUID, federatedNode.getUuid());
        properties.put(uuidProperty.getName(), uuidProperty);


        // Assign the merge plan ...
        MergePlan mergePlan = MergePlan.create(contributions);
        federatedNode.setMergePlan(mergePlan);
    }

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        // Set the UUID as a property ...
        Property uuidProperty = context.getPropertyFactory().create(DnaLexicon.UUID, federatedNode.getUuid());
        properties.put(uuidProperty.getName(), uuidProperty);


        // Assign the merge plan ...
        MergePlan mergePlan = MergePlan.create(contributions);
        federatedNode.setMergePlan(mergePlan);
    }

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                }
            }
            // At this point, all ancestors exist ...
        } else {
            // There is no error, so look for the merge plan ...
            MergePlan mergePlan = getMergePlan(fromCache);
            if (mergePlan != null) {
                // We found the merge plan, so check whether it's still valid ...
                final DateTime now = getCurrentTimeInUtc();
                if (mergePlan.isExpired(now)) {
                    // It is still valid, so check whether any contribution is from a non-existant projection ...
                    for (Contribution contribution : mergePlan) {
                        if (!this.sourceNames.contains(contribution.getSourceName())) {
                            // TODO: Record that the cached contribution is from a source that is no longer in this repository
                        }
                    }
                    return fromCache;
                }


                // At least one of the contributions is expired, so go through the contributions and place
                // the valid contributions in the 'contributions' list; any expired contribution
                // needs to be loaded by adding the name to the 'sourceNames'
                if (mergePlan.getContributionCount() > 0) {
                    sourceNames = new HashSet<String>(sourceNames);
                    for (Contribution contribution : mergePlan) {
                        if (!contribution.isExpired(now)) {
                            sourceNames.remove(contribution.getSourceName());
                            contributions.add(contribution);

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            Property uuidProperty = context.getPropertyFactory().create(DnaLexicon.UUID, uuid);
            properties.put(uuidProperty.getName(), uuidProperty);
        }


        // Assign the merge plan ...
        MergePlan mergePlan = MergePlan.create(contributions);
        federatedNode.setMergePlan(mergePlan);
    }

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            // Set the UUID as a property ...
            federatedNode.addProperty(uuidProperty);
        }


        // Assign the merge plan ...
        MergePlan mergePlan = MergePlan.create(contributions);
        federatedNode.setMergePlan(mergePlan);
    }

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            }


            // At this point, all ancestors exist ...
        } else {
            // There is no error, so look for the merge plan ...
            MergePlan mergePlan = getMergePlan(fromCache);
            if (mergePlan != null) {
                // We found the merge plan, so check whether it's still valid ...
                final DateTime now = getCurrentTimeInUtc();
                if (mergePlan.isExpired(now)) {
                    // It is still valid, so check whether any contribution is from a non-existant projection ...
                    for (Contribution contribution : mergePlan) {
                        if (!this.sourceNames.contains(contribution.getSourceName())) {
                            // TODO: Record that the cached contribution is from a source that is no longer in this repository
                        }
                    }
                    return fromCache;
                }


                // At least one of the contributions is expired, so go through the contributions and place
                // the valid contributions in the 'contributions' list; any expired contribution
                // needs to be loaded by adding the name to the 'sourceNames'
                if (mergePlan.getContributionCount() > 0) {
                    sourceNames = new HashSet<String>(sourceNames);
                    for (Contribution contribution : mergePlan) {
                        if (!contribution.isExpired(now)) {
                            sourceNames.remove(contribution.getSourceName());
                            contributions.add(contribution);

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Related Classes of org.jboss.dna.connector.federation.merge.MergePlan

org.jboss.dna.connector.federation.executor.FederatingCommandExecutor

org.jboss.dna.connector.federation.merge.strategy.OneContributionMergeStrategy

org.jboss.dna.connector.federation.merge.strategy.SimpleMergeStrategy

org.jboss.dna.graph.properties.DateTime

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