课程管理学习端修改And用户信息缓存修改

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2022-11-21 8d0e57a64fe6c31559ffcf38859fb1f5084e1e23

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package com.qxueyou.scc.base.util;
 
import java.util.Collection;
import java.util.function.Function;
 
import org.apache.commons.lang3.StringUtils;
import org.springframework.util.CollectionUtils;
 
import com.querydsl.core.types.Ops;
import com.querydsl.core.types.dsl.BooleanExpression;
import com.querydsl.core.types.dsl.Expressions;
 
/**
 * jpa²éѯ  ²ÎÊýΪ¿Õ°ü×°builder
 * @author zhiyong
 *
 */
public class QueryDslOptionBuilder {
    
    private BooleanExpression predicate;
 
    public QueryDslOptionBuilder() {
        this.predicate  = Expressions.booleanOperation(Ops.EQ, Expressions.ONE, Expressions.ONE);
    }
    
    public QueryDslOptionBuilder(BooleanExpression predicate) {
        this.predicate  = predicate;
    }
    
    /**
     * ²»Îª¿Õ and ¶ÔÏó
     * @param expressionFunction
     * @param value
     * @return
     */
    public <T> QueryDslOptionBuilder and(Function<T, BooleanExpression> expressionFunction, T value) {
        if (value != null) {
            return new QueryDslOptionBuilder(predicate.and(expressionFunction.apply(value)));
        }
        return this;
    }
    
    /**
     * ²»Îª¿Õ and  StringÀàÐÍ
     * @param expressionFunction
     * @param value
     * @return
     */
    public QueryDslOptionBuilder and(Function<String, BooleanExpression> expressionFunction, String value) {
        if (!StringUtils.isBlank(value)) {
            return new QueryDslOptionBuilder(predicate.and(expressionFunction.apply(value)));
        }
        return this;
    }
    
    /**
     * ²»Îª¿Õ and  ¼¯ºÏÀàÐÍ
     * @param expressionFunction
     * @param collection
     * @return
     */
    public <T> QueryDslOptionBuilder and(Function<Collection<T>, BooleanExpression> expressionFunction,
            Collection<T> collection) {
        if (!CollectionUtils.isEmpty(collection)) {
            return new QueryDslOptionBuilder(predicate.and(expressionFunction.apply(collection)));
        }
        return this;
    }
    
    /**
     * ²»Îª¿Õ or ËùÓжÔÏó
     * @param expressionFunction
     * @param value
     * @return
     */
    public <T> QueryDslOptionBuilder or(Function<T, BooleanExpression> expressionFunction, T value) {
        if (value != null) {
            return new QueryDslOptionBuilder(predicate.or(expressionFunction.apply(value)));
        }
        return this;
    }
    
    /**
     * ²»Îª¿Õ or  StringÀàÐÍ
     * @param expressionFunction
     * @param value
     * @return
     */
    public QueryDslOptionBuilder or(Function<String, BooleanExpression> expressionFunction, String value) {
        if (!StringUtils.isBlank(value)) {
            return new QueryDslOptionBuilder(predicate.or(expressionFunction.apply(value)));
        }
        return this;
    }
 
    /**
     * ²»Îª¿Õ or  ¼¯ºÏÀàÐÍ
     * @param expressionFunction
     * @param collection
     * @return
     */
    public <T> QueryDslOptionBuilder or(Function<Collection<T>, BooleanExpression> expressionFunction, Collection<T> collection) {
        if (!CollectionUtils.isEmpty(collection)) {
            return new QueryDslOptionBuilder(predicate.or(expressionFunction.apply(collection)));
        }
        return this;
    }
 
    public BooleanExpression build() {
        return predicate;
    }
}