@@ -0,0 +1,754 @@
+package com.freetmp.mbg.merge.expression;%0A%0Aimport com.freetmp.mbg.merge.AbstractMerger;%0Aimport com.github.javaparser.ast.expr.Expression;%0A%0A/**%0A * Created by LiuPin on 2015/4/20.%0A */%0Apublic class ExpressionMerger extends AbstractMerger%3CExpression%3E %7B%0A%0A    private ExpressionMerger()%7B%7D%0A%0A    static %7B%0A        if(getMerger(Expression.class) == null)%7B%0A            register(Expression.class,new ExpressionMerger());%0A        %7D%0A    %7D%0A%0A    @Override public Expression merge(Expression first, Expression second) %7B%0A        return first;%0A    %7D%0A%0A    @Override public boolean isEquals(Expression first, Expression second) %7B%0A        if(first == second) return true;%0A        if(first == null %7C%7C second == null) return false;%0A%0A        return first.equals(second);%0A    %7D%0A%7D%0A

add default expression merger