Example usage for org.hibernate.engine.spi SessionFactoryImplementor getSqlFunctionRegistry

Introduction

In this page you can find the example usage for org.hibernate.engine.spi SessionFactoryImplementor getSqlFunctionRegistry.

Prototype

SQLFunctionRegistry getSqlFunctionRegistry();

Source Link

Usage

From source file:com.blazebit.persistence.integration.hibernate.base.function.AbstractHibernateEntityManagerFactoryIntegrator.java

License:Apache License

@SuppressWarnings("unchecked")
private Map<String, SQLFunction> getFunctions(Session s) {
    if (MAJOR < 5 || (MAJOR == 5 && MINOR == 0 && FIX == 0 && "Beta1".equals(TYPE))) {
        // Implementation detail: Hibernate uses a mutable map, so we can do this
        return getDialect(s).getFunctions();
    } else {//from   w  w w . j a v  a  2  s.co  m
        SessionFactoryImplementor sf = (SessionFactoryImplementor) s.getSessionFactory();
        SQLFunctionRegistry registry = sf.getSqlFunctionRegistry();
        Exception ex;

        // We have to retrieve the functionMap the old fashioned way via reflection :(
        Field f = null;
        boolean madeAccessible = false;

        try {
            f = SQLFunctionRegistry.class.getDeclaredField("functionMap");
            madeAccessible = !f.isAccessible();

            if (madeAccessible) {
                f.setAccessible(true);
            }

            return (Map<String, SQLFunction>) f.get(registry);
        } catch (NoSuchFieldException e) {
            ex = e;
        } catch (IllegalArgumentException e) {
            // This can never happen
            ex = e;
        } catch (IllegalAccessException e) {
            ex = e;
        } finally {
            if (f != null && madeAccessible) {
                f.setAccessible(false);
            }
        }

        throw new RuntimeException(
                "Could not access the function map to dynamically register functions. Please report this version of hibernate("
                        + VERSION_STRING + ") so we can provide support for it!",
                ex);
    }
}

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From source file:com.blazebit.persistence.integration.hibernate.base.function.AbstractHibernateEntityManagerFactoryIntegrator.java

License:Apache License

private void replaceFunctions(Session s, Map<String, SQLFunction> newFunctions) {
    if (MAJOR < 5 || (MAJOR == 5 && MINOR == 0 && FIX == 0 && "Beta1".equals(TYPE))) {
        Exception ex;/*w  w w. ja v a2 s  .c  o  m*/
        Field f = null;
        boolean madeAccessible = false;

        try {
            f = Dialect.class.getDeclaredField("sqlFunctions");
            madeAccessible = !f.isAccessible();

            if (madeAccessible) {
                f.setAccessible(true);
            }

            f.set(getDialect(s), newFunctions);
            return;
        } catch (NoSuchFieldException e) {
            ex = e;
        } catch (IllegalArgumentException e) {
            // This can never happen
            ex = e;
        } catch (IllegalAccessException e) {
            ex = e;
        } finally {
            if (f != null && madeAccessible) {
                f.setAccessible(false);
            }
        }
        throw new RuntimeException(
                "Could not access the function map to dynamically register functions. Please report this version of hibernate("
                        + VERSION_STRING + ") so we can provide support for it!",
                ex);
    } else {
        SessionFactoryImplementor sf = (SessionFactoryImplementor) s.getSessionFactory();
        SQLFunctionRegistry registry = sf.getSqlFunctionRegistry();
        Exception ex;

        // We have to retrieve the functionMap the old fashioned way via reflection :(
        Field f = null;
        boolean madeAccessible = false;

        try {
            f = SQLFunctionRegistry.class.getDeclaredField("functionMap");
            madeAccessible = !f.isAccessible();

            if (madeAccessible) {
                f.setAccessible(true);
            }

            f.set(registry, newFunctions);
            return;
        } catch (NoSuchFieldException e) {
            ex = e;
        } catch (IllegalArgumentException e) {
            // This can never happen
            ex = e;
        } catch (IllegalAccessException e) {
            ex = e;
        } finally {
            if (f != null && madeAccessible) {
                f.setAccessible(false);
            }
        }

        throw new RuntimeException(
                "Could not access the function map to dynamically register functions. Please report this version of hibernate("
                        + VERSION_STRING + ") so we can provide support for it!",
                ex);
    }
}

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