Java FieldDescriptor.isAutoIncrement方法代码示例

import org.apache.ojb.broker.metadata.FieldDescriptor; //导入方法依赖的package包/类
@Override
protected NodeData getAnnotationNodes(String enclosingClass, String fieldName, String mappedClass) {
    final FieldDescriptor fd = OjbUtil.findFieldDescriptor(mappedClass, fieldName, descriptorRepositories);

    if (fd != null) {
        final boolean autoInc = fd.isAutoIncrement();
        final String seqName = fd.getSequenceName();
        if (autoInc && StringUtils.isBlank(seqName)) {
            LOG.error(ResolverUtil.logMsgForField(enclosingClass, fieldName, mappedClass) + " field has autoincrement set to true but sequenceName is blank.");
        }

        if (!autoInc && StringUtils.isNotBlank(seqName)) {
            LOG.error(ResolverUtil.logMsgForField(enclosingClass, fieldName, mappedClass) + " field has autoincrement set to false but sequenceName is " + seqName + ".");
        }
        if (autoInc || StringUtils.isNotBlank(seqName)) {
            return new NodeData(new NormalAnnotationExpr(new NameExpr(SIMPLE_NAME), Collections.singletonList(new MemberValuePair("name", new StringLiteralExpr(upperCaseTableName ? seqName.toUpperCase() : seqName)))),
                    new ImportDeclaration(new QualifiedNameExpr(new NameExpr(PACKAGE), SIMPLE_NAME), false, false));
        }
    }
    return null;
}
 

import org.apache.ojb.broker.metadata.FieldDescriptor; //导入方法依赖的package包/类
@Override
protected NodeData getAnnotationNodes(String enclosingClass, String fieldName, String mappedClass) {
    final FieldDescriptor fd = OjbUtil.findFieldDescriptor(mappedClass, fieldName, descriptorRepositories);

    if (fd != null) {
        final boolean autoInc = fd.isAutoIncrement();
        final String seqName = fd.getSequenceName();
        if (autoInc && StringUtils.isBlank(seqName)) {
            LOG.error(ResolverUtil.logMsgForField(enclosingClass, fieldName, mappedClass) + " field has autoincrement set to true but sequenceName is blank.");
        }

        if (!autoInc && StringUtils.isNotBlank(seqName)) {
            LOG.error(ResolverUtil.logMsgForField(enclosingClass, fieldName, mappedClass) + " field has autoincrement set to false but sequenceName is " + seqName + ".");
        }
        if (autoInc || StringUtils.isNotBlank(seqName)) {
            return new NodeData(new NormalAnnotationExpr(new NameExpr(SIMPLE_NAME), Collections.singletonList(new MemberValuePair("generator", new StringLiteralExpr(upperCaseTableName ? seqName.toUpperCase() : seqName)))),
                    new ImportDeclaration(new QualifiedNameExpr(new NameExpr(PACKAGE), SIMPLE_NAME), false, false));
        }
    }
    return null;
}
 

import org.apache.ojb.broker.metadata.FieldDescriptor; //导入方法依赖的package包/类
protected void assignAutoincrementSequences(ClassDescriptor cld, Object target) throws SequenceManagerException
{
    // TODO: refactor auto-increment handling, auto-increment should only be supported by PK fields?
    // FieldDescriptor[] fields = cld.getPkFields();
    FieldDescriptor[] fields = cld.getFieldDescriptor(false);
    FieldDescriptor field;
    for(int i = 0; i < fields.length; i++)
    {
        field = fields[i];
        if(field.isAutoIncrement() && !field.isAccessReadOnly())
        {
            Object value = field.getPersistentField().get(target);
            if(broker.serviceBrokerHelper().representsNull(field, value))
            {
                Object id = broker.serviceSequenceManager().getUniqueValue(field);
                field.getPersistentField().set(target, id);
            }
        }
    }
}
 

import org.apache.ojb.broker.metadata.FieldDescriptor; //导入方法依赖的package包/类
/**
 * returns true if the primary key fields are valid for store, else false.
 * PK fields are valid if each of them is either an OJB managed
 * attribute (autoincrement or locking) or if it contains
 * a valid non-null value
 * @param fieldDescriptors the array of PK fielddescriptors
 * @param pkValues the array of PK values
 * @return boolean
 */
public boolean assertValidPksForStore(FieldDescriptor[] fieldDescriptors, Object[] pkValues)
{
    int fieldDescriptorSize = fieldDescriptors.length;
    for(int i = 0; i < fieldDescriptorSize; i++)
    {
        FieldDescriptor fld = fieldDescriptors[i];
        /**
         * a pk field is valid if it is either managed by OJB
         * (autoincrement or locking) or if it does contain a
         * valid non-null value.
         */
        if(!(fld.isAutoIncrement()
                || fld.isLocking()
                || !representsNull(fld, pkValues[i])))
        {
            return false;
        }
    }
    return true;
}
 

import org.apache.ojb.broker.metadata.FieldDescriptor; //导入方法依赖的package包/类
/**
 * Get the values of the fields for an obj
 * Autoincrement values are automatically set.
 * @param fields
 * @param obj
 * @throws PersistenceBrokerException
 */
public ValueContainer[] getValuesForObject(FieldDescriptor[] fields, Object obj, boolean convertToSql, boolean assignAutoincrement) throws PersistenceBrokerException
{
    ValueContainer[] result = new ValueContainer[fields.length];

    for(int i = 0; i < fields.length; i++)
    {
        FieldDescriptor fd = fields[i];
        Object cv = fd.getPersistentField().get(obj);

        /*
        handle autoincrement attributes if
        - is a autoincrement field
        - field represents a 'null' value, is nullified
        and generate a new value
        */
        if(assignAutoincrement && fd.isAutoIncrement() && representsNull(fd, cv))
        {
            /*
            setAutoIncrementValue returns a value that is
            properly typed for the java-world.  This value
            needs to be converted to it's corresponding
            sql type so that the entire result array contains
            objects that are properly typed for sql.
            */
            cv = setAutoIncrementValue(fd, obj);
        }
        if(convertToSql)
        {
            // apply type and value conversion
            cv = fd.getFieldConversion().javaToSql(cv);
        }
        // create ValueContainer
        result[i] = new ValueContainer(cv, fd.getJdbcType());
    }
    return result;
}