Package org.apache.jackrabbit.oak.spi.query.fulltext

Class FullTextExpression

java.lang.Object
org.apache.jackrabbit.oak.spi.query.fulltext.FullTextExpression
Direct Known Subclasses:
FullTextAnd, FullTextContains, FullTextOr, FullTextTerm
public abstract class FullTextExpression extends Object
The base class for fulltext condition expression.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    PRECEDENCE_AND
    The operator precedence for AND conditions.
    static final int
    PRECEDENCE_OR
    The operator precedence for OR conditions.
    static final int
    PRECEDENCE_TERM
    The operator precedence for terms.

  • Constructor Summary

    Constructors
    Constructor
    Description
    FullTextExpression()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    abstract boolean
    accept(FullTextVisitor v)
    Let the expression call the applicable visit method of the visitor.
    boolean
    equals(Object other)
     
    abstract boolean
    evaluate(String value)
    Evaluate whether the value matches the condition.
    abstract int
    getPrecedence()
    Get the operator precedence.
    int
    hashCode()
     
    boolean
    isNot()
    Whether the current FullTextExpression is a NOT condition or not.
    abstract String
    toString()
    Get the string representation of the condition.

    Methods inherited from class java.lang.Object

    getClass, notify, notifyAll, wait, wait, wait

  • Field Details

    • PRECEDENCE_OR

      public static final int PRECEDENCE_OR
      The operator precedence for OR conditions.
      See Also:

    • PRECEDENCE_AND

      public static final int PRECEDENCE_AND
      The operator precedence for AND conditions.
      See Also:

    • PRECEDENCE_TERM

      public static final int PRECEDENCE_TERM
      The operator precedence for terms.
      See Also:

  • Constructor Details

    • FullTextExpression

      public FullTextExpression()

  • Method Details

    • getPrecedence

      public abstract int getPrecedence()
      Get the operator precedence.
      Returns:
      the precedence

    • evaluate

      public abstract boolean evaluate(String value)
      Evaluate whether the value matches the condition.
      Parameters:
      value - the value
      Returns:
      true if it matches

    • toString

      public abstract String toString()
      Get the string representation of the condition.
      Overrides:
      toString in class Object

    • equals

      public boolean equals(Object other)
      Overrides:
      equals in class Object

    • hashCode

      public int hashCode()
      Overrides:
      hashCode in class Object

    • accept

      public abstract boolean accept(FullTextVisitor v)
      Let the expression call the applicable visit method of the visitor.
      Parameters:
      v - the visitor
      Returns:
      true if the visit method returned true

    • isNot

      public boolean isNot()
      Whether the current FullTextExpression is a NOT condition or not. Default is false
      Returns:
      true if the current condition represent a NOT, false otherwise.