/// <summary>
/// Serialize the provided IndexRule onto the target buffer
/// </summary>
/// <param name="indexDescriptor"> the StoreIndexDescriptor to serialize </param>
/// <exception cref="IllegalStateException"> if the StoreIndexDescriptor is of type unique, but the owning constrain has not been set </exception>
public static sbyte[] Serialize(StoreIndexDescriptor indexDescriptor)
{
ByteBuffer target = ByteBuffer.allocate(LengthOf(indexDescriptor));
target.putInt(LEGACY_LABEL_OR_REL_TYPE_ID);
target.put(INDEX_RULE);
IndexProviderDescriptor providerDescriptor = indexDescriptor.ProviderDescriptor();
UTF8.putEncodedStringInto(providerDescriptor.Key, target);
UTF8.putEncodedStringInto(providerDescriptor.Version, target);
switch (indexDescriptor.Type())
{
case GENERAL:
target.put(GENERAL_INDEX);
break;
case UNIQUE:
target.put(UNIQUE_INDEX);
// The owning constraint can be null. See IndexRule.getOwningConstraint()
long?owningConstraint = indexDescriptor.OwningConstraint;
target.putLong(owningConstraint == null ? NO_OWNING_CONSTRAINT_YET : owningConstraint);
break;
default:
throw new System.NotSupportedException(format("Got unknown index descriptor type '%s'.", indexDescriptor.Type()));
}
indexDescriptor.Schema().processWith(new SchemaDescriptorSerializer(target));
UTF8.putEncodedStringInto(indexDescriptor.Name, target);
return(target.array());
}
// HELPERS
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertSerializeAndDeserializeIndexRule(org.neo4j.storageengine.api.schema.StoreIndexDescriptor indexRule) throws org.neo4j.internal.kernel.api.exceptions.schema.MalformedSchemaRuleException
private void AssertSerializeAndDeserializeIndexRule(StoreIndexDescriptor indexRule)
{
StoreIndexDescriptor deserialized = AssertIndexRule(SerialiseAndDeserialise(indexRule));
assertThat(deserialized.Id, equalTo(indexRule.Id));
assertThat(deserialized, equalTo(indexRule));
assertThat(deserialized.Schema(), equalTo(indexRule.Schema()));
assertThat(deserialized.ProviderDescriptor(), equalTo(indexRule.ProviderDescriptor()));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateGeneralIndex()
public virtual void ShouldCreateGeneralIndex()
{
// GIVEN
IndexDescriptor descriptor = ForLabel(LABEL_ID, PROPERTY_ID_1);
StoreIndexDescriptor indexRule = descriptor.WithId(RULE_ID);
// THEN
assertThat(indexRule.Id, equalTo(RULE_ID));
assertFalse(indexRule.CanSupportUniqueConstraint());
assertThat(indexRule.Schema(), equalTo(descriptor.Schema()));
assertThat(indexRule, equalTo(descriptor));
assertThat(indexRule.ProviderDescriptor(), equalTo(ProviderDescriptor));
assertException(indexRule.getOwningConstraint, typeof(System.InvalidOperationException));
assertException(() => indexRule.WithOwningConstraint(RULE_ID_2), typeof(System.InvalidOperationException));
}
//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldCreateUniqueIndex()
public virtual void ShouldCreateUniqueIndex()
{
// GIVEN
IndexDescriptor descriptor = UniqueForLabel(LABEL_ID, PROPERTY_ID_1);
StoreIndexDescriptor indexRule = descriptor.WithId(RULE_ID);
// THEN
assertThat(indexRule.Id, equalTo(RULE_ID));
assertTrue(indexRule.CanSupportUniqueConstraint());
assertThat(indexRule.Schema(), equalTo(descriptor.Schema()));
assertThat(indexRule, equalTo(descriptor));
assertThat(indexRule.ProviderDescriptor(), equalTo(ProviderDescriptor));
assertThat(indexRule.OwningConstraint, equalTo(null));
StoreIndexDescriptor withConstraint = indexRule.WithOwningConstraint(RULE_ID_2);
assertThat(withConstraint.OwningConstraint, equalTo(RULE_ID_2));
assertThat(indexRule.OwningConstraint, equalTo(null)); // this is unchanged
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertParseIndexRule(String serialized, String name) throws Exception
private void AssertParseIndexRule(string serialized, string name)
{
// GIVEN
long ruleId = 24;
IndexDescriptor index = ForLabel(512, 4);
IndexProviderDescriptor indexProvider = new IndexProviderDescriptor("index-provider", "25.0");
sbyte[] bytes = DecodeBase64(serialized);
// WHEN
StoreIndexDescriptor deserialized = AssertIndexRule(SchemaRuleSerialization.Deserialize(ruleId, ByteBuffer.wrap(bytes)));
// THEN
assertThat(deserialized.Id, equalTo(ruleId));
assertThat(deserialized, equalTo(index));
assertThat(deserialized.Schema(), equalTo(index.Schema()));
assertThat(deserialized.ProviderDescriptor(), equalTo(indexProvider));
assertThat(deserialized.Name, @is(name));
assertException(deserialized.getOwningConstraint, typeof(System.InvalidOperationException));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void assertParseUniqueIndexRule(String serialized, String name) throws org.neo4j.internal.kernel.api.exceptions.schema.MalformedSchemaRuleException
private void AssertParseUniqueIndexRule(string serialized, string name)
{
// GIVEN
long ruleId = 33;
long constraintId = 11;
IndexDescriptor index = TestIndexDescriptorFactory.uniqueForLabel(61, 988);
IndexProviderDescriptor indexProvider = new IndexProviderDescriptor("index-provider", "25.0");
sbyte[] bytes = DecodeBase64(serialized);
// WHEN
StoreIndexDescriptor deserialized = AssertIndexRule(SchemaRuleSerialization.Deserialize(ruleId, ByteBuffer.wrap(bytes)));
// THEN
assertThat(deserialized.Id, equalTo(ruleId));
assertThat(deserialized, equalTo(index));
assertThat(deserialized.Schema(), equalTo(index.Schema()));
assertThat(deserialized.ProviderDescriptor(), equalTo(indexProvider));
assertThat(deserialized.OwningConstraint, equalTo(constraintId));
assertThat(deserialized.Name, @is(name));
}
/// <summary>
/// Compute the byte size needed to serialize the provided IndexRule using serialize. </summary>
/// <param name="indexDescriptor"> the StoreIndexDescriptor </param>
/// <returns> the byte size of StoreIndexDescriptor </returns>
internal static int LengthOf(StoreIndexDescriptor indexDescriptor)
{
int length = 4; // legacy label or relType id
length += 1; // schema rule type
IndexProviderDescriptor providerDescriptor = indexDescriptor.ProviderDescriptor();
length += UTF8.computeRequiredByteBufferSize(providerDescriptor.Key);
length += UTF8.computeRequiredByteBufferSize(providerDescriptor.Version);
length += 1; // index type
if (indexDescriptor.Type() == IndexDescriptor.Type.UNIQUE)
{
length += 8; // owning constraint id
}
length += indexDescriptor.Schema().computeWith(schemaSizeComputer);
length += UTF8.computeRequiredByteBufferSize(indexDescriptor.Name);
return(length);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private org.neo4j.kernel.api.index.IndexAccessor onlineAccessorFromProvider(org.neo4j.storageengine.api.schema.StoreIndexDescriptor descriptor, org.neo4j.kernel.impl.api.index.sampling.IndexSamplingConfig samplingConfig) throws java.io.IOException
private IndexAccessor OnlineAccessorFromProvider(StoreIndexDescriptor descriptor, IndexSamplingConfig samplingConfig)
{
IndexProvider indexProvider = _providerMap.lookup(descriptor.ProviderDescriptor());
return(indexProvider.GetOnlineAccessor(descriptor, samplingConfig));
}
private IndexPopulator PopulatorFromProvider(StoreIndexDescriptor descriptor, IndexSamplingConfig samplingConfig, ByteBufferFactory bufferFactory)
{
IndexProvider indexProvider = _providerMap.lookup(descriptor.ProviderDescriptor());
return(indexProvider.GetPopulator(descriptor, samplingConfig, bufferFactory));
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are ignored unless the option to convert to C# 7.2 'in' parameters is selected:
//ORIGINAL LINE: private String indexUserDescription(final org.neo4j.storageengine.api.schema.StoreIndexDescriptor descriptor)
private string IndexUserDescription(StoreIndexDescriptor descriptor)
{
return(format("%s [provider: %s]", descriptor.Schema().userDescription(_tokenNameLookup), descriptor.ProviderDescriptor().ToString()));
}
