Examples with Property org.neo4j.ogm.model.Property used on opensource projects

Example 1 with Property

use of org.neo4j.ogm.model.Property in project neo4j-ogm by neo4j.

the class DeletedRelationshipEntityStatementBuilder method build.

@Override
public Statement build() {
    final Map<String, Object> parameters = new HashMap<>();
    final StringBuilder queryBuilder = new StringBuilder();
    if (deletedEdges != null && deletedEdges.size() > 0) {
        Edge firstEdge = deletedEdges.iterator().next();
        queryBuilder.append("UNWIND $rows AS row MATCH ()-[r]->() WHERE ID(r) = row.relId ");
        if (firstEdge.hasVersionProperty()) {
            queryBuilder.append(OptimisticLockingUtils.getFragmentForExistingNodesAndRelationships(firstEdge, "r"));
        }
        queryBuilder.append("DELETE r RETURN ID(r) as ref, ID(r) as id, $type as type");
        List<Map> rows = new ArrayList<>();
        for (Edge edge : deletedEdges) {
            Map<String, Object> rowMap = new HashMap<>();
            rowMap.put("relId", edge.getId());
            if (edge.hasVersionProperty()) {
                Property version = edge.getVersion();
                rowMap.put((String) version.getKey(), version.getValue());
            }
            rows.add(rowMap);
        }
        parameters.put("rows", rows);
        parameters.put("type", "rel");
        if (firstEdge.hasVersionProperty()) {
            OptimisticLockingConfig olConfig = new OptimisticLockingConfig(rows.size(), new String[] { firstEdge.getType() }, firstEdge.getVersion().getKey());
            return statementFactory.statement(queryBuilder.toString(), parameters, olConfig);
        }
    }
    return statementFactory.statement(queryBuilder.toString(), parameters);
}

Example 2 with Property

use of org.neo4j.ogm.model.Property in project neo4j-ogm by neo4j.

the class NewRelationshipStatementBuilder method build.

@Override
public Statement build() {
    final Map<String, Object> parameters = new HashMap<>();
    final StringBuilder queryBuilder = new StringBuilder();
    boolean hasProperties = false;
    if (edges != null && edges.size() > 0) {
        Edge firstEdge = edges.iterator().next();
        String relType = firstEdge.getType();
        hasProperties = firstEdge.getPropertyList().size() > 0;
        boolean hasPrimaryId = firstEdge.getPrimaryIdName() != null;
        queryBuilder.append("UNWIND $rows as row ").append("MATCH (startNode) WHERE ID(startNode) = row.startNodeId WITH row,startNode ").append("MATCH (endNode) WHERE ID(endNode) = row.endNodeId ");
        if (hasProperties && !hasPrimaryId) {
            queryBuilder.append("CREATE ");
        } else {
            queryBuilder.append("MERGE ");
        }
        queryBuilder.append("(startNode)-[rel:`").append(relType).append("`");
        if (hasPrimaryId) {
            queryBuilder.append(" {`").append(firstEdge.getPrimaryIdName()).append("`: row.props.`").append(firstEdge.getPrimaryIdName()).append("`}");
        }
        queryBuilder.append("]->(endNode) ");
        if (hasProperties) {
            queryBuilder.append("SET rel += row.props ");
        }
        queryBuilder.append("RETURN row.relRef as ref, ID(rel) as id, $type as type");
        List<Map> rows = new ArrayList<>();
        for (Edge edge : edges) {
            Map<String, Object> rowMap = new HashMap<>();
            rowMap.put("startNodeId", edge.getStartNode());
            rowMap.put("endNodeId", edge.getEndNode());
            rowMap.put("relRef", edge.getId());
            if (hasProperties) {
                Map<String, Object> props = new HashMap<>();
                for (Property property : edge.getPropertyList()) {
                    props.put((String) property.getKey(), property.getValue());
                }
                rowMap.put("props", props);
            } else {
                // need to put empty map here for simple relationships to avoid Cypher error because
                // props is used in the query
                rowMap.put("props", emptyMap());
            }
            rows.add(rowMap);
        }
        parameters.put("type", "rel");
        parameters.put("rows", rows);
    }
    return statementFactory.statement(queryBuilder.toString(), parameters);
}

Example 3 with Property

use of org.neo4j.ogm.model.Property in project neo4j-ogm by neo4j.

the class ExistingRelationshipStatementBuilder method build.

@Override
public Statement build() {
    final Map<String, Object> parameters = new HashMap<>();
    final StringBuilder queryBuilder = new StringBuilder();
    Edge firstEdge = edges.iterator().next();
    if (edges.size() > 0) {
        queryBuilder.append("UNWIND $rows AS row MATCH ()-[r]->() WHERE ID(r) = row.relId ");
        if (firstEdge.hasVersionProperty()) {
            queryBuilder.append(OptimisticLockingUtils.getFragmentForExistingNodesAndRelationships(firstEdge, "r", dirtyEdges ? 1 : 0));
        }
        queryBuilder.append(firstEdge.createPropertyRemovalFragment("r"));
        queryBuilder.append("SET r += row.props ");
        queryBuilder.append("RETURN ID(r) as ref, ID(r) as id, $type as type");
        List<Map> rows = new ArrayList<>();
        for (Edge edge : edges) {
            Map<String, Object> rowMap = new HashMap<>();
            rowMap.put("relId", edge.getId());
            Map<String, Object> props = new HashMap<>();
            for (Property property : edge.getPropertyList()) {
                if (!property.equals(edge.getVersion())) {
                    props.put((String) property.getKey(), property.getValue());
                }
            }
            rowMap.put("props", props);
            if (edge.hasVersionProperty()) {
                Property version = edge.getVersion();
                rowMap.put((String) version.getKey(), version.getValue());
            }
            rows.add(rowMap);
        }
        parameters.put("rows", rows);
        parameters.put("type", "rel");
        if (firstEdge.hasVersionProperty()) {
            OptimisticLockingConfig olConfig = new OptimisticLockingConfig(rows.size(), new String[] { firstEdge.getType() }, firstEdge.getVersion().getKey());
            return statementFactory.statement(queryBuilder.toString(), parameters, olConfig);
        }
    }
    return statementFactory.statement(queryBuilder.toString(), parameters);
}