本文整理了Java中com.querydsl.core.types.ExpressionUtils.eqConst()方法的一些代码示例，展示了ExpressionUtils.eqConst()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ExpressionUtils.eqConst()方法的具体详情如下：
包路径：com.querydsl.core.types.ExpressionUtils
类名称：ExpressionUtils
方法名：eqConst

ExpressionUtils.eqConst介绍

[英]Create a left == constant expression
[中]创建一个left==常量表达式

代码示例

代码示例来源：origin: querydsl/querydsl

/**
 * Create a {@code left in right} expression
 *
 * @param <D> element type
 * @param left lhs of expression
 * @param right rhs of expression
 * @return left in right
 */
public static <D> Predicate in(Expression<D> left, Collection<? extends D> right) {
  if (right.size() == 1) {
    return eqConst(left, right.iterator().next());
  } else {
    return predicate(Ops.IN, left, ConstantImpl.create(right));
  }
}

代码示例来源：origin: querydsl/querydsl

@Test
public void eqConst() {
  assertEquals("str = X", ExpressionUtils.eqConst(str, "X").toString());
}

代码示例来源：origin: com.querydsl/querydsl-core

/**
 * Create a {@code left in right} expression
 *
 * @param <D> element type
 * @param left lhs of expression
 * @param right rhs of expression
 * @return left in right
 */
public static <D> Predicate in(Expression<D> left, Collection<? extends D> right) {
  if (right.size() == 1) {
    return eqConst(left, right.iterator().next());
  } else {
    return predicate(Ops.IN, left, ConstantImpl.create(right));
  }
}