public QueryWriter()
{
queryTextBuilder = new StringBuilder();
queryParameters = new Dictionary <string, object>();
resultMode = CypherResultMode.Set;
resultFormat = CypherResultFormat.DependsOnEnvironment;
}
public CypherQuery(
string queryText,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
string database,
IContractResolver contractResolver = null,
int?maxExecutionTime = null,
NameValueCollection customHeaders = null,
bool isWrite = true,
IEnumerable <Bookmark> bookmarks = null,
string identifier = null,
bool includeQueryStats = false
)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.ResultMode = resultMode;
this.ResultFormat = resultFormat;
JsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
this.MaxExecutionTime = maxExecutionTime;
this.CustomHeaders = customHeaders;
IsWrite = isWrite;
IncludeQueryStats = includeQueryStats;
Bookmarks = bookmarks;
Identifier = identifier;
Database = database;
}
public QueryWriter()
{
queryTextBuilder = new StringBuilder();
queryParameters = new Dictionary<string, object>();
resultMode = CypherResultMode.Set;
resultFormat = CypherResultFormat.DependsOnEnvironment;
}
QueryWriter(
StringBuilder queryTextBuilder,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat)
{
this.queryTextBuilder = queryTextBuilder;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
}
QueryWriter(
StringBuilder queryTextBuilder,
IDictionary<string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat)
{
this.queryTextBuilder = queryTextBuilder;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
}
public CypherQuery(
string queryText,
IDictionary<string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
IContractResolver contractResolver = null)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
jsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
}
public CypherQuery(
string queryText,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
IContractResolver contractResolver = null)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
jsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
}
public CypherJsonDeserializer(IGraphClient client, CypherResultMode resultMode, CypherResultFormat resultFormat, bool inTransaction)
{
this.client = client;
this.resultMode = resultMode;
this.inTransaction = inTransaction;
// here is where we decide if we should deserialize as transactional or REST endpoint data format.
if (resultFormat == CypherResultFormat.DependsOnEnvironment)
{
this.resultFormat = inTransaction ? CypherResultFormat.Transactional : CypherResultFormat.Rest;
}
else
{
this.resultFormat = resultFormat;
}
}
QueryWriter(
StringBuilder queryTextBuilder,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
List <string> bookmarks,
string identifier)
{
this.queryTextBuilder = queryTextBuilder;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
this.Identifier = identifier;
this.bookmarks = bookmarks;
}
public CypherQuery(
string queryText,
IDictionary<string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
IContractResolver contractResolver = null,
int? maxExecutionTime = null,
NameValueCollection customHeaders = null
)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
jsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
this.maxExecutionTime = maxExecutionTime;
this.customHeaders = customHeaders;
}
public CypherQuery(
string queryText,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
IContractResolver contractResolver = null,
int?maxExecutionTime = null,
NameValueCollection customHeaders = null
)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
jsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
this.maxExecutionTime = maxExecutionTime;
this.customHeaders = customHeaders;
}
public CypherQuery(
string queryText,
IDictionary <string, object> queryParameters,
CypherResultMode resultMode,
CypherResultFormat resultFormat,
IContractResolver contractResolver = null,
int?maxExecutionTime = null,
NameValueCollection customHeaders = null,
bool isWrite = true,
IEnumerable <string> bookmarks = null,
string identifier = null
)
{
this.queryText = queryText;
this.queryParameters = queryParameters;
this.resultMode = resultMode;
this.resultFormat = resultFormat;
jsonContractResolver = contractResolver ?? GraphClient.DefaultJsonContractResolver;
this.maxExecutionTime = maxExecutionTime;
this.customHeaders = customHeaders;
IsWrite = isWrite;
Bookmarks = bookmarks;
Identifier = identifier;
}
public CypherJsonDeserializer(IGraphClient client, CypherResultMode resultMode, CypherResultFormat resultFormat, bool inTransaction)
: this(client, resultMode, resultFormat, inTransaction, false)
{
}
public CypherJsonDeserializer(IGraphClient client, CypherResultMode resultMode, CypherResultFormat resultFormat)
: this(client, resultMode, resultFormat, false, false)
{
}
public ExpressionBuild(string expressionText, CypherResultFormat format)
{
ExpressionText = expressionText;
ResultFormat = format;
}
public ExpressionBuild(string expressionText, CypherResultFormat format)
{
ExpressionText = expressionText;
ResultFormat = format;
}
static ExpressionBuild BuildCypherResultItemStatement(
MethodCallExpression expression,
bool isNullable,
CypherCapabilities capabilities,
IEnumerable <JsonConverter> jsonConvertersThatTheDeserializerWillUse)
{
Debug.Assert(expression.Object != null, "expression.Object != null");
string statement = null;
var targetObject = expression.Object as ParameterExpression;
if (expression.Object.Type == typeof(IFluentCypherResultItem))
{
var wrappedFunctionCall = BuildWrappedFunction(expression);
statement = wrappedFunctionCall.StatementFormat;
targetObject = (ParameterExpression)wrappedFunctionCall.InnerExpression;
}
if (targetObject == null)
{
throw new InvalidOperationException(
"Somehow targetObject ended up as null. We weren't expecting this to happen. Please raise an issue at http://hg.readify.net/neo4jclient including your query code.");
}
var optionalIndicator = capabilities.SupportsPropertySuffixesForControllingNullComparisons && isNullable ? "?" : "";
string finalStatement;
var methodName = expression.Method.Name;
var singleGenericArgument = expression.Method.IsGenericMethod
? expression.Method.GetGenericArguments().Single()
: null;
CypherResultFormat format = CypherResultFormat.DependsOnEnvironment;
switch (methodName)
{
case "As":
case "Node":
Debug.Assert(singleGenericArgument != null);
if (!IsSupportedForAs(singleGenericArgument, jsonConvertersThatTheDeserializerWillUse))
{
throw new ArgumentException(string.Format(ReturnAsTypeShouldBeOneOfExceptionMessage, singleGenericArgument.Name), "expression");
}
finalStatement = string.Format("{0}{1}", targetObject.Name, optionalIndicator);
format = methodName == "Node" ? CypherResultFormat.Rest : CypherResultFormat.DependsOnEnvironment;
break;
case "CollectAs":
if (IsNodeOrRelationshipOfT(singleGenericArgument))
{
format = CypherResultFormat.Rest;
}
finalStatement = string.Format("collect({0})", targetObject.Name);
break;
case "CollectAsDistinct":
if (IsNodeOrRelationshipOfT(singleGenericArgument))
{
format = CypherResultFormat.Rest;
}
finalStatement = string.Format("collect(distinct {0})", targetObject.Name);
break;
case "Count":
finalStatement = string.Format("count({0})", targetObject.Name);
break;
case "CountDistinct":
finalStatement = string.Format("count(distinct {0})", targetObject.Name);
break;
case "Id":
finalStatement = string.Format("id({0})", targetObject.Name);
break;
case "Length":
finalStatement = string.Format("length({0})", targetObject.Name);
break;
case "Type":
finalStatement = string.Format("type({0})", targetObject.Name);
break;
case "Labels":
finalStatement = string.Format("labels({0})", targetObject.Name);
break;
default:
throw new InvalidOperationException("Unexpected ICypherResultItem method definition, ICypherResultItem." + methodName);
}
statement = statement != null
? string.Format(statement, finalStatement)
: finalStatement;
return(new ExpressionBuild(statement, format));
}