Examples with RowStatementFactory org.neo4j.ogm.session.request.RowStatementFactory used on opensource projects

Example 1 with RowStatementFactory

use of org.neo4j.ogm.session.request.RowStatementFactory in project neo4j-ogm by neo4j.

the class EntityGraphMapperTest method doNothingIfNothingHasChanged.

@Test
public void doNothingIfNothingHasChanged() {
    Long existingNodeId = (Long) session.query("CREATE (s:Student:DomainObject {name:'Sheila Smythe'}) RETURN id(s) AS id", emptyMap()).queryResults().iterator().next().get("id");
    Student sheila = new Student();
    sheila.setId(existingNodeId);
    sheila.setName("Sheila Smythe");
    mappingContext.addNodeEntity(sheila);
    session.clear();
    Compiler compiler = this.mapper.map(sheila).getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    Statements cypher = new Statements(compiler.getAllStatements());
    assertThat(cypher.getStatements()).isEmpty();
}

Example 2 with RowStatementFactory

use of org.neo4j.ogm.session.request.RowStatementFactory in project neo4j-ogm by neo4j.

the class DirectRelationshipsTest method shouldBeAbleToRemoveAnyRegisteredRelationship.

@Test
public void shouldBeAbleToRemoveAnyRegisteredRelationship() {
    // given
    Folder folder = new Folder();
    Document doc1 = new Document();
    Document doc2 = new Document();
    folder.getDocuments().add(doc1);
    folder.getDocuments().add(doc2);
    doc1.setFolder(folder);
    doc2.setFolder(folder);
    folder.setId(0L);
    doc1.setId(1L);
    doc2.setId(2L);
    mappingContext.addNodeEntity(folder);
    mappingContext.addNodeEntity(doc1);
    mappingContext.addNodeEntity(doc2);
    mappingContext.addRelationship(new MappedRelationship(folder.getId(), "CONTAINS", doc1.getId(), null, Folder.class, Document.class));
    mappingContext.addRelationship(new MappedRelationship(folder.getId(), "CONTAINS", doc2.getId(), null, Folder.class, Document.class));
    // when
    doc2.setFolder(null);
    folder.getDocuments().remove(doc2);
    // then
    assertThat(folder.getDocuments()).hasSize(1);
    Compiler compiler = mapper.map(folder).getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    List<Statement> statements = compiler.deleteRelationshipStatements();
    assertThat(statements).hasSize(1);
    assertThat(statements.get(0).getStatement()).isEqualTo("UNWIND $rows as row MATCH (startNode) WHERE ID(startNode) = row.startNodeId WITH row,startNode MATCH (endNode) WHERE ID(endNode) = row.endNodeId MATCH (startNode)-[rel:`CONTAINS`]->(endNode) DELETE rel");
    // we need to re-establish the relationship in the mapping context for this expectation, otherwise
    // the previous save will have de-registered the relationship.
    mappingContext.addRelationship(new MappedRelationship(folder.getId(), "CONTAINS", doc2.getId(), null, Folder.class, Document.class));
    compiler = mapper.map(doc1).getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    statements = compiler.deleteRelationshipStatements();
    assertThat(statements).hasSize(1);
    assertThat(statements.get(0).getStatement()).isEqualTo("UNWIND $rows as row MATCH (startNode) WHERE ID(startNode) = row.startNodeId WITH row,startNode MATCH (endNode) WHERE ID(endNode) = row.endNodeId MATCH (startNode)-[rel:`CONTAINS`]->(endNode) DELETE rel");
    // we need to re-establish the relationship in the mapping context for this expectation, otherwise
    // the previous save will have de-registered the relationship.
    mappingContext.addRelationship(new MappedRelationship(folder.getId(), "CONTAINS", doc2.getId(), null, Folder.class, Document.class));
    compiler = mapper.map(doc2).getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    statements = compiler.deleteRelationshipStatements();
    assertThat(statements).hasSize(1);
    assertThat(statements.get(0).getStatement()).isEqualTo("UNWIND $rows as row MATCH (startNode) WHERE ID(startNode) = row.startNodeId WITH row,startNode MATCH (endNode) WHERE ID(endNode) = row.endNodeId MATCH (startNode)-[rel:`CONTAINS`]->(endNode) DELETE rel");
}

Example 3 with RowStatementFactory

use of org.neo4j.ogm.session.request.RowStatementFactory in project neo4j-ogm by neo4j.

the class CompilerTest method mapAndCompile.

private static Compiler mapAndCompile(Object object, int depth) {
    EntityMapper mapper = new EntityGraphMapper(mappingMetadata, mappingContext);
    CompileContext context = mapper.map(object, depth);
    Compiler compiler = context.getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    return compiler;
}

Example 4 with RowStatementFactory

use of org.neo4j.ogm.session.request.RowStatementFactory in project neo4j-ogm by neo4j.

the class CompilerTest method doNothingIfNothingHasChanged.

@Test
public void doNothingIfNothingHasChanged() {
    Long existingNodeId = 0L;
    Student sheila = new Student();
    sheila.setId(existingNodeId);
    sheila.setName("Sheila Smythe");
    mappingContext.addNodeEntity(sheila);
    Compiler compiler = mapAndCompile(sheila, -1);
    compiler.useStatementFactory(new RowStatementFactory());
    assertThat(compiler.createNodesStatements()).isEmpty();
    assertThat(compiler.updateNodesStatements()).isEmpty();
}

Example 5 with RowStatementFactory

use of org.neo4j.ogm.session.request.RowStatementFactory in project neo4j-ogm by neo4j.

the class MergeWithPrimaryIndexTests method mapAndCompile.

private Compiler mapAndCompile(Object object) {
    CompileContext context = this.mapper.map(object);
    Compiler compiler = context.getCompiler();
    compiler.useStatementFactory(new RowStatementFactory());
    return compiler;
}