Example usage for org.hibernate.mapping PersistentClass getVersion

Introduction

In this page you can find the example usage for org.hibernate.mapping PersistentClass getVersion.

Prototype

public abstract Property getVersion();

Source Link

Usage

From source file:fr.keyconsulting.oliphant.postgresql.PostgreSQLListenerAuxiliary.java

License:Open Source License

public String sqlCreateString(Dialect dialect, Mapping mapping, String defaultCatalog, String defaultSchema) {
    StringBuilder sb = new StringBuilder();

    for (Iterator i = config.getClassMappings(); i.hasNext();) {
        PersistentClass c = (PersistentClass) i.next();
        Table table = c.getTable();/*from   ww  w .j  a  va2s  . c  om*/
        if (table.getPrimaryKey().getColumnSpan() > 1) {
            throw new HibernateException(
                    "Oliphant does not support primary keys that span multiple columns. Objects of class "
                            + c.getClassName() + " will not be monitored for changes.");
        }
        String tableName = table.getName().toLowerCase();

        String idColName = table.getPrimaryKey().getColumn(0).getName();

        Iterator verCols = c.getVersion().getColumnIterator();
        if (!verCols.hasNext()) {
            throw new HibernateException(
                    "Oliphant does not support version properties that span multiple columns. Objects of class "
                            + c.getClassName() + " will not be monitored for changes.");
        }
        Column verCol = (Column) verCols.next();
        String verColName = verCol.getName();
        if (verCols.hasNext()) {
            throw new HibernateException("Oliphant does not support non versioned entities. Objects of class "
                    + c.getClassName() + " will not be monitored for changes.");
        }
        sb.append("CREATE OR REPLACE FUNCTION oliphant_" + tableName + "() RETURNS TRIGGER AS $$\n");
        sb.append("   DECLARE\n");
        sb.append("      VERSION TEXT;\n");
        sb.append("   BEGIN\n");
        sb.append("      IF TG_OP = 'UPDATE' THEN\n");
        sb.append("         VERSION := NEW." + verColName + ";\n");
        sb.append("      ELSIF TG_OP = 'DELETE' THEN\n");
        sb.append("         VERSION := -1;\n");
        sb.append("      END IF;\n");
        sb.append("      PERFORM send_notify('oliphant', '" + tableName + "#' || encode(text(OLD." + idColName
                + ")::bytea,'base64') || '###' || encode(text(VERSION)::bytea,'base64')); RETURN NULL;\n");
        sb.append("   END;\n");
        sb.append("$$ LANGUAGE 'plpgsql';\n");
        sb.append("\n");
        sb.append("CREATE TRIGGER oliphant_" + tableName + "_trg\n");
        sb.append("   AFTER DELETE OR UPDATE ON " + tableName + "\n");
        sb.append("   FOR EACH ROW EXECUTE PROCEDURE oliphant_" + tableName + "();\n");
        sb.append("\n");
    }

    return sb.toString();
}

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From source file:fr.keyconsulting.oliphant.postgresql.PostgreSQLListenerAuxiliary.java

License:Open Source License

public String sqlDropString(Dialect dialect, String defaultCatalog, String defaultSchema) {
    StringBuilder sb = new StringBuilder();

    for (Iterator i = config.getClassMappings(); i.hasNext();) {
        PersistentClass c = (PersistentClass) i.next();
        Table table = c.getTable();/*from w  w w  . j a v  a 2 s . c  o m*/
        if ((table.getPrimaryKey().getColumnSpan() == 1) && (c.getVersion().getColumnSpan() == 1)) {
            String tableName = table.getName().toLowerCase();

            sb.append("DROP FUNCTION oliphant_" + tableName + "()\n");
            sb.append("\n");
        }
    }

    return sb.toString();
}

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From source file:org.infinispan.test.hibernate.cache.commons.functional.AbstractFunctionalTest.java

License:LGPL

@Override
protected void afterMetadataBuilt(Metadata metadata) {
    if (addVersions) {
        for (PersistentClass clazz : metadata.getEntityBindings()) {
            if (clazz.getVersion() != null) {
                continue;
            }/*from  ww  w  .  j a v a2s  . c om*/
            try {
                clazz.getMappedClass().getMethod("getVersion");
                clazz.getMappedClass().getMethod("setVersion", long.class);
            } catch (NoSuchMethodException e) {
                continue;
            }
            RootClass rootClazz = clazz.getRootClass();
            Property versionProperty = new Property();
            versionProperty.setName("version");
            SimpleValue value = new SimpleValue((MetadataImplementor) metadata, rootClazz.getTable());
            value.setTypeName("long");
            Column column = new Column();
            column.setValue(value);
            column.setName("version");
            value.addColumn(column);
            rootClazz.getTable().addColumn(column);
            versionProperty.setValue(value);
            rootClazz.setVersion(versionProperty);
            rootClazz.addProperty(versionProperty);
        }
    }
}

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From source file:org.wicketopia.persistence.hibernate.decorator.HibernatePropertyDecorator.java

License:Apache License

public void decorate(PropertyMetaData propertyMetaData) {
    WicketopiaPropertyFacet facet = WicketopiaPropertyFacet.get(propertyMetaData);
    final PersistentClass classMapping = findClassMapping(propertyMetaData.getBeanMetaData());
    if (classMapping != null) {
        final Property property = classMapping.getProperty(propertyMetaData.getPropertyDescriptor().getName());

        if (property == null) {
            return;
        } else if (!(property.getValue() instanceof SimpleValue)) {
            facet.setIgnored(true);/*from   w  ww.jav a  2 s .  c om*/
        } else if (ignoreIdentifiers && property.equals(classMapping.getIdentifierProperty())) {
            facet.setIgnored(true);
        } else if (property.equals(classMapping.getVersion())) {
            facet.setIgnored(true);
        }

        if (!property.isOptional()) {
            facet.setRequired(Context.ALL_CONTEXTS, true);
        }
    }
}

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