platform/structuralsearch/source/com/intellij/structuralsearch/impl/matcher/handlers/MatchPredicate.java

package com.intellij.structuralsearch.impl.matcher.handlers;

import com.intellij.psi.PsiElement;
import com.intellij.structuralsearch.impl.matcher.MatchContext;

/**
 * Root of handlers for pattern node matching. Handles simpliest type of the match.
 */
public abstract class MatchPredicate {
  /**
   * Matches given handler node against given value.
   * @param matchedNode for matching
   * @param context of the matching
   * @return true if matching was successfull and false otherwise
   */
  public boolean match(PsiElement patternNode,PsiElement matchedNode, int start, int end, MatchContext context) {
    return match(patternNode,matchedNode,context);
  }

  /**
   * Matches given handler node against given value.
   * @param matchedNode for matching
   * @param context of the matching
   * @return true if matching was successfull and false otherwise
   */
  public abstract boolean match(PsiElement patternNode,PsiElement matchedNode, MatchContext context);
}