Interface IQueryNode
A IQueryNode is a interface implemented by all nodes on a IQueryNode tree.
Namespace: Lucene.Net.QueryParsers.Flexible.Core.Nodes
Assembly: Lucene.Net.QueryParser.dll
Syntax
public interface IQueryNodeProperties
IsLeaf
verify if a node is a Leaf node
Declaration
bool IsLeaf { get; }Property Value
| Type | Description |
|---|---|
| bool |
Parent
A IQueryNode is a interface implemented by all nodes on a IQueryNode tree.
Declaration
IQueryNode Parent { get; }Property Value
| Type | Description |
|---|---|
| IQueryNode |
TagMap
Gets a map containing all tags attached to this query node.
Declaration
IDictionary<string, object> TagMap { get; }Property Value
| Type | Description |
|---|---|
| IDictionary<string, object> |
Methods
Add(IQueryNode)
add a new child to a non Leaf node
Declaration
void Add(IQueryNode child)Parameters
| Type | Name | Description |
|---|---|---|
| IQueryNode | child |
Add(IList<IQueryNode>)
A IQueryNode is a interface implemented by all nodes on a IQueryNode tree.
Declaration
void Add(IList<IQueryNode> children)Parameters
| Type | Name | Description |
|---|---|---|
| IList<IQueryNode> | children |
CloneTree()
Recursive clone the IQueryNode tree. The tags are not copied to the new tree when you call the CloneTree() method.
Declaration
IQueryNode CloneTree()Returns
| Type | Description |
|---|---|
| IQueryNode | the cloned tree |
ContainsTag(string)
verify if a node contains a tag
Declaration
bool ContainsTag(string tagName)Parameters
| Type | Name | Description |
|---|---|---|
| string | tagName |
Returns
| Type | Description |
|---|---|
| bool |
GetChildren()
get Children nodes
Declaration
IList<IQueryNode> GetChildren()Returns
| Type | Description |
|---|---|
| IList<IQueryNode> |
GetTag(string)
Returns object stored under that tag name
Declaration
object GetTag(string tagName)Parameters
| Type | Name | Description |
|---|---|---|
| string | tagName |
Returns
| Type | Description |
|---|---|
| object |
RemoveChildren(IQueryNode)
Remove a child node.
Declaration
void RemoveChildren(IQueryNode childNode)Parameters
| Type | Name | Description |
|---|---|---|
| IQueryNode | childNode | Which child to remove. |
RemoveFromParent()
Removes this query node from its parent.
Declaration
void RemoveFromParent()Set(IList<IQueryNode>)
reset the children of a node
Declaration
void Set(IList<IQueryNode> children)Parameters
| Type | Name | Description |
|---|---|---|
| IList<IQueryNode> | children |
SetTag(string, object)
Associate the specified value with the specified tagName. If the tagName
already exists, the old value is replaced. The tagName and value cannot be
null. tagName will be converted to lowercase.
Declaration
void SetTag(string tagName, object value)Parameters
| Type | Name | Description |
|---|---|---|
| string | tagName | |
| object | value |
ToQueryString(IEscapeQuerySyntax)
convert to a query string understood by the query parser
Declaration
string ToQueryString(IEscapeQuerySyntax escapeSyntaxParser)Parameters
| Type | Name | Description |
|---|---|---|
| IEscapeQuerySyntax | escapeSyntaxParser |
Returns
| Type | Description |
|---|---|
| string |
ToString()
for printing
Declaration
string ToString()Returns
| Type | Description |
|---|---|
| string |
TryGetTag(string, out object)
Gets the tag associated with the specified tagName.
Declaration
bool TryGetTag(string tagName, out object tag)Parameters
| Type | Name | Description |
|---|---|---|
| string | tagName | |
| object | tag |
Returns
| Type | Description |
|---|---|
| bool |
UnsetTag(string)
Unset a tag. tagName will be converted to lowercase.
Declaration
void UnsetTag(string tagName)Parameters
| Type | Name | Description |
|---|---|---|
| string | tagName |