Example usage for org.springframework.integration.jpa.support JpaUtils applyAndBind

Introduction

In this page you can find the example usage for org.springframework.integration.jpa.support JpaUtils applyAndBind.

Prototype

public static <T> Query applyAndBind(String queryString, Iterable<T> entities, EntityManager entityManager) 

Source Link

Document

Creates a where-clause referencing the given entities and appends it to the given query string.

Usage

From source file:org.springframework.integration.jpa.core.DefaultJpaOperations.java

@Override
public void deleteInBatch(Iterable<?> entities) {

    Assert.notNull(entities, "entities must not be null.");

    Iterator<?> iterator = entities.iterator();

    if (!iterator.hasNext()) {
        return;//from  w w  w . ja  v  a2 s .  c  o  m
    }

    Class<?> entityClass = null;

    for (Object object : entities) {
        if (entityClass == null) {
            entityClass = object.getClass();
        } else {
            if (entityClass != object.getClass()) {
                throw new IllegalArgumentException("entities must be of the same type.");
            }
        }
    }

    final String entityName = JpaUtils.getEntityName(entityManager, entityClass);
    final String queryString = JpaUtils.getQueryString(JpaUtils.DELETE_ALL_QUERY_STRING, entityName);

    JpaUtils.applyAndBind(queryString, entities, entityManager).executeUpdate();

}

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