Class OpaqueQueryNode
- java.lang.Object
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- org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
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- org.apache.lucene.queryparser.flexible.core.nodes.OpaqueQueryNode
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public class OpaqueQueryNode extends QueryNodeImpl
AOpaqueQueryNodeis used for specify values that are not supposed to be parsed by the parser. For example: and XPATH query in the middle of a query string a b @xpath:'/bookstore/book[1]/title' c d
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Field Summary
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Fields inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
PLAINTEXT_FIELD_NAME, toQueryStringIgnoreFields
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Constructor Summary
Constructors Constructor Description OpaqueQueryNode(CharSequence schema, CharSequence value)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description QueryNodecloneTree()Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() methodCharSequencegetSchema()CharSequencegetValue()CharSequencetoQueryString(EscapeQuerySyntax escapeSyntaxParser)convert to a query string understood by the query parserStringtoString()Every implementation of this class should return pseudo xml like this:-
Methods inherited from class org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
add, add, allocate, clone, containsTag, getChildren, getParent, getTag, getTagMap, isDefaultField, isLeaf, isRoot, removeChildren, removeFromParent, set, setLeaf, setTag, unsetTag
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Constructor Detail
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OpaqueQueryNode
public OpaqueQueryNode(CharSequence schema, CharSequence value)
- Parameters:
schema- - schema identifiervalue- - value that was not parsed
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Method Detail
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toString
public String toString()
Description copied from class:QueryNodeImplEvery implementation of this class should return pseudo xml like this:For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
- Specified by:
toStringin interfaceQueryNode- Overrides:
toStringin classQueryNodeImpl- See Also:
QueryNode.toString()
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toQueryString
public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)
Description copied from interface:QueryNodeconvert to a query string understood by the query parser
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cloneTree
public QueryNode cloneTree() throws CloneNotSupportedException
Description copied from interface:QueryNodeRecursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method- Specified by:
cloneTreein interfaceQueryNode- Overrides:
cloneTreein classQueryNodeImpl- Returns:
- the cloned tree
- Throws:
CloneNotSupportedException
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getSchema
public CharSequence getSchema()
- Returns:
- the schema
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getValue
public CharSequence getValue()
- Returns:
- the value
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