Class RegexpQueryNode
- java.lang.Object
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- org.apache.lucene.queryparser.flexible.core.nodes.QueryNodeImpl
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- org.apache.lucene.queryparser.flexible.standard.nodes.RegexpQueryNode
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- All Implemented Interfaces:
Cloneable
,FieldableNode
,QueryNode
,TextableQueryNode
public class RegexpQueryNode extends QueryNodeImpl implements TextableQueryNode, FieldableNode
ARegexpQueryNode
representsRegexpQuery
query Examples: /[a-z]|[0-9]/
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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 RegexpQueryNode(CharSequence field, CharSequence text)
RegexpQueryNode(CharSequence field, CharSequence text, int begin, int end)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description RegexpQueryNode
cloneTree()
Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() methodCharSequence
getField()
Returns the field associated to the node and every node under it.String
getFieldAsString()
CharSequence
getText()
void
setField(CharSequence field)
Associates the node to a field.void
setText(CharSequence text)
BytesRef
textToBytesRef()
CharSequence
toQueryString(EscapeQuerySyntax escapeSyntaxParser)
convert to a query string understood by the query parserString
toString()
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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Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.apache.lucene.queryparser.flexible.core.nodes.QueryNode
add, add, containsTag, getChildren, getParent, getTag, getTagMap, isLeaf, removeChildren, removeFromParent, set, setTag, unsetTag
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Constructor Detail
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RegexpQueryNode
public RegexpQueryNode(CharSequence field, CharSequence text, int begin, int end)
- Parameters:
field
- - field nametext
- - value that contains a regular expressionbegin
- - position in the query stringend
- - position in the query string
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RegexpQueryNode
public RegexpQueryNode(CharSequence field, CharSequence text)
- Parameters:
field
- - field nametext
- - value that contains a regular expression
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Method Detail
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textToBytesRef
public BytesRef textToBytesRef()
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toString
public String toString()
Description copied from class:QueryNodeImpl
Every implementation of this class should return pseudo xml like this:For FieldQueryNode: <field start='1' end='2' field='subject' text='foo'/>
- Specified by:
toString
in interfaceQueryNode
- Overrides:
toString
in classQueryNodeImpl
- See Also:
QueryNode.toString()
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cloneTree
public RegexpQueryNode cloneTree() throws CloneNotSupportedException
Description copied from interface:QueryNode
Recursive clone the QueryNode tree The tags are not copied to the new tree when you call the cloneTree() method- Specified by:
cloneTree
in interfaceQueryNode
- Overrides:
cloneTree
in classQueryNodeImpl
- Returns:
- the cloned tree
- Throws:
CloneNotSupportedException
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getText
public CharSequence getText()
- Specified by:
getText
in interfaceTextableQueryNode
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setText
public void setText(CharSequence text)
- Specified by:
setText
in interfaceTextableQueryNode
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getField
public CharSequence getField()
Description copied from interface:FieldableNode
Returns the field associated to the node and every node under it.- Specified by:
getField
in interfaceFieldableNode
- Returns:
- the field name
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getFieldAsString
public String getFieldAsString()
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setField
public void setField(CharSequence field)
Description copied from interface:FieldableNode
Associates the node to a field.- Specified by:
setField
in interfaceFieldableNode
- Parameters:
field
- the field name
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toQueryString
public CharSequence toQueryString(EscapeQuerySyntax escapeSyntaxParser)
Description copied from interface:QueryNode
convert to a query string understood by the query parser- Specified by:
toQueryString
in interfaceQueryNode
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