public class ScoreExplain extends FieldExpression
PERFORMANCE NOTE: Requesting an explanation of a document's score is very costly. The performance cost can
be as high as (num docs returned) * (search query execution time).
FieldExpression.StringModealias, EMPTY_ARRAY| Constructor and Description |
|---|
ScoreExplain()
Construct a new ScoreExplain.
|
ScoreExplain(String alias)
Construct a new ScoreExplain.
|
| Modifier and Type | Method and Description |
|---|---|
boolean |
equalsIgnoreAlias(FieldExpression other)
Returns
true if other is the same as this, with the exception of alias. |
SchemaField.Type |
getType(Schema schema)
Resolve the type for this expression.
|
boolean |
hasChildren()
Returns
true if this field expression has any sub FieldExpressions. |
int |
hashCode() |
boolean |
isConstant()
Returns
true if this field expression evaluates to a constant value. |
FieldExpression |
rewriteChildren(FieldExpressionHandler handler)
Traverse this FieldExpression using
handler to visit/rewrite direct child elements if this expression. |
protected void |
toString(StringBuilder buffer,
FieldExpression.StringMode mode)
Writes the string representation of this field expression to
buffer. |
as, clone, containsAlias, copyOf, equals, equalsIgnoreAlias, getAlias, getDefaultAlias, getFieldName, handleFieldExpression, isConstant, quote, rewrite, rewrite, setAlias, toString, toStringpublic ScoreExplain()
public ScoreExplain(String alias)
public boolean isConstant()
true if this field expression evaluates to a constant value.isConstant in class FieldExpressionpublic SchemaField.Type getType(Schema schema)
getType in class FieldExpressionpublic boolean hasChildren()
true if this field expression has any sub FieldExpressions.hasChildren in class FieldExpressionpublic FieldExpression rewriteChildren(FieldExpressionHandler handler)
handler to visit/rewrite direct child elements if this expression.
NOTE: this method traverses direct child expressions (if any) only.
rewriteChildren in class FieldExpressionprotected void toString(StringBuilder buffer, FieldExpression.StringMode mode)
buffer.
NOTE: the alias will not be written to buffer by this function.
toString in class FieldExpressionpublic boolean equalsIgnoreAlias(FieldExpression other)
true if other is the same as this, with the exception of alias.equalsIgnoreAlias in class FieldExpressionpublic int hashCode()
hashCode in class FieldExpressionCopyright © 2018 Attivio, Inc. All Rights Reserved.
PATENT NOTICE: Attivio, Inc. Software Related Patents. With respect to the Attivio software product(s) being used, the following patents apply: Querying Joined Data Within A Search Engine Index: United States Patent No.(s): 8,073,840. Ordered Processing of Groups of Messages: U.S. Patent No.(s) 8,495,656. Signal processing approach to sentiment analysis for entities in documents: U.S. Patent No.(s) 8,725,494. Other U.S. and International Patents Pending.