Example usage for javax.persistence.criteria Expression in

Introduction

In this page you can find the example usage for javax.persistence.criteria Expression in.

Prototype

Predicate in(Expression<Collection<?>> values);

Source Link

Document

Create a predicate to test whether the expression is a member of the collection.

Usage

From source file:org.niord.core.db.CriteriaHelper.java

/**
 * If values is defined, matches the attribute with any of the values.
 * If values is undefined (null or empty) this predicate yields false.
 *
 * @param attr the attribute// w  ww.  j  av a  2s.com
 * @param values the values to match
 */
public <V> CriteriaHelper<T> in(Expression<V> attr, Collection<V> values) {
    if (values != null && values.size() > 0) {
        where.add(attr.in(values));
    } else {
        where.add(cb.disjunction()); // Always false
    }
    return this;
}

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