org.hibernate.internal.util.collections.ArrayHelper#isAllFalse ( )源码实例Demo

private String determinePkByNaturalIdQuery(boolean[] valueNullness) {
	if ( !hasNaturalIdentifier() ) {
		throw new HibernateException(
				"Attempt to build natural-id -> PK resolution query for entity that does not define natural id"
		);
	}

	// performance shortcut for cases where the natural-id is defined as completely non-nullable
	if ( isNaturalIdNonNullable() ) {
		if ( valueNullness != null && !ArrayHelper.isAllFalse( valueNullness ) ) {
			throw new HibernateException( "Null value(s) passed to lookup by non-nullable natural-id" );
		}
		if ( cachedPkByNonNullableNaturalIdQuery == null ) {
			cachedPkByNonNullableNaturalIdQuery = generateEntityIdByNaturalIdSql( null );
		}
		return cachedPkByNonNullableNaturalIdQuery;
	}

	// Otherwise, regenerate it each time
	return generateEntityIdByNaturalIdSql( valueNullness );
}
 

public boolean isInsertable() {
	// if the property mapping consists of all formulas, 
	// make it non-insertable
	final boolean[] columnInsertability = value.getColumnInsertability();
	return insertable && (
			columnInsertability.length==0 ||
			!ArrayHelper.isAllFalse( columnInsertability )
		);
}
 

public boolean isUpdateable() {
	// if the property mapping consists of all formulas,
	// make it non-updateable
	return updateable && !ArrayHelper.isAllFalse( value.getColumnUpdateability() );
}
 

@Override
protected int doUpdateRows(Serializable id, PersistentCollection collection, SharedSessionContractImplementor session)
		throws HibernateException {
	if ( ArrayHelper.isAllFalse( elementColumnIsSettable ) ) {
		return 0;
	}

	try {
		final Expectation expectation = Expectations.appropriateExpectation( getUpdateCheckStyle() );
		final boolean callable = isUpdateCallable();
		final int jdbcBatchSizeToUse = session.getConfiguredJdbcBatchSize();
		boolean useBatch = expectation.canBeBatched() && jdbcBatchSizeToUse > 1;
		final Iterator entries = collection.entries( this );

		final List elements = new ArrayList();
		while ( entries.hasNext() ) {
			elements.add( entries.next() );
		}

		final String sql = getSQLUpdateRowString();
		int count = 0;
		if ( collection.isElementRemoved() ) {
			// the update should be done starting from the end to the list
			for ( int i = elements.size() - 1; i >= 0; i-- ) {
				count = doUpdateRow(
						id,
						collection,
						session,
						expectation,
						callable,
						useBatch,
						elements,
						sql,
						count,
						i
				);
			}
		}
		else {
			for ( int i = 0; i < elements.size(); i++ ) {
				count = doUpdateRow(
						id,
						collection,
						session,
						expectation,
						callable,
						useBatch,
						elements,
						sql,
						count,
						i
				);
			}
		}
		return count;
	}
	catch (SQLException sqle) {
		throw session.getJdbcServices().getSqlExceptionHelper().convert(
				sqle,
				"could not update collection rows: " + MessageHelper.collectionInfoString(
						this,
						collection,
						id,
						session
				),
				getSQLUpdateRowString()
		);
	}
}