public class ModifierQueryNode extends QueryNodeImpl
ModifierQueryNode
indicates the modifier value (+,-,?,NONE) for
each term on the query string. For example "+t1 -t2 t3" will have a tree of:
<BooleanQueryNode> <ModifierQueryNode modifier="MOD_REQ"> <t1/> </ModifierQueryNode> <ModifierQueryNode modifier="MOD_NOT"> <t2/> </ModifierQueryNode> <t3/> </BooleanQueryNode>
Modifier and Type | Class and Description |
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static class |
ModifierQueryNode.Modifier
Modifier type: such as required (REQ), prohibited (NOT)
|
Modifier and Type | Field and Description |
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private ModifierQueryNode.Modifier |
modifier |
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
Constructor and Description |
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ModifierQueryNode(QueryNode query,
ModifierQueryNode.Modifier mod)
Used to store the modifier value on the original query string
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Modifier and Type | Method and Description |
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QueryNode |
cloneTree()
Recursive clone the QueryNode tree The tags are not copied to the new tree
when you call the cloneTree() method
|
QueryNode |
getChild() |
ModifierQueryNode.Modifier |
getModifier() |
void |
setChild(QueryNode child) |
java.lang.CharSequence |
toQueryString(EscapeQuerySyntax escapeSyntaxParser)
convert to a query string understood by the query parser
|
java.lang.String |
toString()
Every implementation of this class should return pseudo xml like this:
For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
|
add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTagMap, isDefaultField, isLeaf, isRoot, removeChildren, removeFromParent, set, setLeaf, setTag, unsetTag
private ModifierQueryNode.Modifier modifier
public ModifierQueryNode(QueryNode query, ModifierQueryNode.Modifier mod)
query
- - QueryNode subtreemod
- - Modifier Valuepublic QueryNode getChild()
public ModifierQueryNode.Modifier getModifier()
public java.lang.String toString()
QueryNodeImpl
toString
in interface QueryNode
toString
in class QueryNodeImpl
QueryNode.toString()
public java.lang.CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)
QueryNode
public QueryNode cloneTree() throws java.lang.CloneNotSupportedException
QueryNode
cloneTree
in interface QueryNode
cloneTree
in class QueryNodeImpl
java.lang.CloneNotSupportedException
public void setChild(QueryNode child)