本文整理汇总了Java中org.hibernate.util.ReflectHelper.getConstantValue方法的典型用法代码示例。如果您正苦于以下问题:Java ReflectHelper.getConstantValue方法的具体用法?Java ReflectHelper.getConstantValue怎么用?Java ReflectHelper.getConstantValue使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.hibernate.util.ReflectHelper
的用法示例。
在下文中一共展示了ReflectHelper.getConstantValue方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: lookupConstant
import org.hibernate.util.ReflectHelper; //导入方法依赖的package包/类
public void lookupConstant(DotNode node) throws SemanticException {
String text = ASTUtil.getPathText( node );
Queryable persister = walker.getSessionFactoryHelper().findQueryableUsingImports( text );
if ( persister != null ) {
// the name of an entity class
final String discrim = persister.getDiscriminatorSQLValue();
node.setDataType( persister.getDiscriminatorType() );
if ( InFragment.NULL.equals(discrim) || InFragment.NOT_NULL.equals(discrim) ) {
throw new InvalidPathException( "subclass test not allowed for null or not null discriminator: '" + text + "'" );
}
else {
setSQLValue( node, text, discrim ); //the class discriminator value
}
}
else {
Object value = ReflectHelper.getConstantValue( text );
if ( value == null ) {
throw new InvalidPathException( "Invalid path: '" + text + "'" );
}
else {
setConstantValue( node, text, value );
}
}
}
示例2: setText
import org.hibernate.util.ReflectHelper; //导入方法依赖的package包/类
public void setText(String s) {
// for some reason the antlr.CommonAST initialization routines force
// this method to get called twice. The first time with an empty string
if ( StringHelper.isNotEmpty( s ) ) {
constantExpression = s;
constantValue = ReflectHelper.getConstantValue( s );
heuristicType = TypeFactory.heuristicType( constantValue.getClass().getName() );
super.setText( s );
}
}
示例3: handleDotStructure
import org.hibernate.util.ReflectHelper; //导入方法依赖的package包/类
private void handleDotStructure(AST dotStructureRoot) {
String expression = ASTUtil.getPathText( dotStructureRoot );
Object constant = ReflectHelper.getConstantValue( expression );
if ( constant != null ) {
dotStructureRoot.setFirstChild( null );
dotStructureRoot.setType( HqlTokenTypes.JAVA_CONSTANT );
dotStructureRoot.setText( expression );
}
}
示例4: doToken
import org.hibernate.util.ReflectHelper; //导入方法依赖的package包/类
private void doToken(String token, QueryTranslatorImpl q) throws QueryException {
if ( q.isName( StringHelper.root( token ) ) ) { //path expression
doPathExpression( q.unalias( token ), q );
}
else if ( token.startsWith( ParserHelper.HQL_VARIABLE_PREFIX ) ) { //named query parameter
q.addNamedParameter( token.substring( 1 ) );
appendToken( q, "?" );
}
else {
Queryable persister = q.getEntityPersisterUsingImports( token );
if ( persister != null ) { // the name of a class
final String discrim = persister.getDiscriminatorSQLValue();
if ( InFragment.NULL.equals(discrim) || InFragment.NOT_NULL.equals(discrim) ) {
throw new QueryException( "subclass test not allowed for null or not null discriminator" );
}
else {
appendToken( q, discrim );
}
}
else {
Object constant;
if (
token.indexOf( '.' ) > -1 &&
( constant = ReflectHelper.getConstantValue( token ) ) != null
) {
Type type;
try {
type = TypeFactory.heuristicType( constant.getClass().getName() );
}
catch ( MappingException me ) {
throw new QueryException( me );
}
if ( type == null ) throw new QueryException( QueryTranslator.ERROR_CANNOT_DETERMINE_TYPE + token );
try {
appendToken( q, ( ( LiteralType ) type ).objectToSQLString( constant, q.getFactory().getDialect() ) );
}
catch ( Exception e ) {
throw new QueryException( QueryTranslator.ERROR_CANNOT_FORMAT_LITERAL + token, e );
}
}
else { //anything else
String negatedToken = negated ? ( String ) NEGATIONS.get( token.toLowerCase() ) : null;
if ( negatedToken != null && ( !betweenSpecialCase || !"or".equals( negatedToken ) ) ) {
appendToken( q, negatedToken );
}
else {
appendToken( q, token );
}
}
}
}
}