Examples with IHolder org.eclipse.scout.rt.platform.holders.IHolder used on opensource projects

Example 1 with IHolder

use of org.eclipse.scout.rt.platform.holders.IHolder in project scout.rt by eclipse.

the class ServiceUtility method filterHolderArguments.

/**
 * Holders and nvpairs need to be copied as value clones. A smartfield for example is a holder and must not go to
 * backend. NVPairs with holder values ae replaced by NVPair with serializable holder arguments
 */
public Object[] filterHolderArguments(Object[] callerArgs) {
    Object[] serializableArgs = new Object[callerArgs.length];
    new AbstractHolderArgumentVisitor() {

        @SuppressWarnings("unchecked")
        @Override
        public void visitHolder(IHolder input, IHolder output) {
            if (!HolderUtility.containEqualValues(output, input)) {
                output.setValue(input.getValue());
            }
        }

        @Override
        public void visitOther(Object[] input, Object[] output, int index) {
            output[index] = input[index];
        }
    }.startVisiting(callerArgs, serializableArgs, 1, true);
    return serializableArgs;
}

Example 2 with IHolder

use of org.eclipse.scout.rt.platform.holders.IHolder in project scout.rt by eclipse.

the class AbstractForm method getClientPartOfExtensionOrContributionRec.

private Object getClientPartOfExtensionOrContributionRec(final Object extToSearch, Object owner) {
    Object ext = getClientPartOfExtensionOrContribution(extToSearch, owner);
    if (ext != null) {
        return ext;
    }
    // search for the extension in the children
    final IHolder<Object> result = new Holder<Object>(Object.class);
    IFormFieldVisitor visitor = new IFormFieldVisitor() {

        @Override
        public boolean visitField(IFormField field, int level, int fieldIndex) {
            result.setValue(getClientPartOfExtensionOrContribution(extToSearch, field));
            return result.getValue() == null;
        }
    };
    if (owner instanceof IForm) {
        ((IForm) owner).visitFields(visitor);
    } else if (owner instanceof IFormField) {
        ((IFormField) owner).acceptVisitor(visitor, 0, 0, true);
    }
    return result.getValue();
}

Example 3 with IHolder

use of org.eclipse.scout.rt.platform.holders.IHolder in project scout.rt by eclipse.

the class FunctionInput method produceSqlBindAndSetReplaceToken.

@Override
public SqlBind produceSqlBindAndSetReplaceToken(ISqlStyle sqlStyle) {
    if (isBatch() || !m_valueSet) {
        if (m_callerService instanceof AbstractSqlService) {
            m_value = ((AbstractSqlService) m_callerService).callbackCustomBindFunction(m_target.getName(), m_target.getArgs(), m_bindBases);
        } else {
            throw new ProcessingException("don't know how to resolve custom bind function '" + m_target.getName() + "' on service " + m_callerService.getClass().getName());
        }
        m_valueSet = true;
    }
    Object value = null;
    if (isBatch() && m_batchIndex >= 1) {
        value = null;
    } else {
        value = m_value;
    }
    Class<?> nullType = null;
    if (value instanceof IHolder<?>) {
        IHolder h = (IHolder<?>) value;
        value = h.getValue();
        nullType = h.getHolderType();
    }
    // 
    if (m_target.isPlainToken()) {
        m_target.setReplaceToken(m_target.getParsedToken());
        return null;
    } else if (m_target.isPlainValue()) {
        m_target.setReplaceToken(sqlStyle.toPlainText(value));
        return null;
    } else if (m_target.isPlainSql()) {
        m_target.setReplaceToken("" + value);
        return null;
    } else {
        m_target.setReplaceToken("?");
        return sqlStyle.buildBindFor(value, nullType);
    }
}

Example 4 with IHolder

use of org.eclipse.scout.rt.platform.holders.IHolder in project scout.rt by eclipse.

the class StatementProcessor method createOutputRec.

@SuppressWarnings({ "unchecked", "squid:S2583", "squid:S138" })
private IBindOutput createOutputRec(ValueOutputToken bindToken, String[] path, final Object bindBase) {
    boolean terminal = (path.length == 1);
    Object o = null;
    boolean found = false;
    if (bindBase instanceof Map) {
        // handle all terminal cases for map
        o = ((Map) bindBase).get(path[0]);
        if (o != null) {
            found = true;
        } else if (((Map) bindBase).containsKey(path[0])) {
            found = true;
        }
        if (found) {
            if (o instanceof ITableBeanHolder) {
                ITableBeanHolder table = (ITableBeanHolder) o;
                return new TableBeanHolderOutput(table, path[1], bindToken);
            } else if (o instanceof IBeanArrayHolder) {
                IBeanArrayHolder holder = (IBeanArrayHolder) o;
                return new BeanArrayHolderOutput(holder, path[1], bindToken);
            } else if (o instanceof IHolder) {
                if (terminal) {
                    return createOutputTerminal((IHolder) o, bindToken);
                } else {
                    o = ((IHolder) o).getValue();
                }
            } else if (o == null) {
                if (terminal) {
                    return new MapOutput((Map) bindBase, path[0], bindToken);
                } else {
                    throw new ProcessingException("output bind {} resolves to null on path element: {}", bindToken, path[0]);
                }
            } else {
                if (terminal) {
                    return new MapOutput((Map) bindBase, path[0], bindToken);
                }
            }
        }
    } else if (bindBase instanceof NVPair) {
        // handle all terminal cases for nvpair
        if (((NVPair) bindBase).getName().equals(path[0])) {
            o = ((NVPair) bindBase).getValue();
            found = true;
            if (o instanceof ITableBeanHolder) {
                ITableBeanHolder table = (ITableBeanHolder) o;
                return new TableBeanHolderOutput(table, path[1], bindToken);
            } else if (o instanceof IBeanArrayHolder) {
                IBeanArrayHolder holder = (IBeanArrayHolder) o;
                return new BeanArrayHolderOutput(holder, path[1], bindToken);
            } else if (o instanceof IHolder) {
                if (terminal) {
                    return createOutputTerminal((IHolder) o, bindToken);
                } else {
                    o = ((IHolder) o).getValue();
                }
            } else if (o == null) {
                throw new ProcessingException("output bind {} resolves to null on path element: {}", bindToken, path[0]);
            } else {
                if (terminal) {
                    throw new ProcessingException("output bind {} is not a valid output container", bindToken);
                }
            }
        }
    } else if (bindBase instanceof ITableBeanHolder) {
        // handle all terminal cases for table holder
        ITableBeanHolder table = (ITableBeanHolder) bindBase;
        try {
            Method m = table.getRowType().getMethod("get" + Character.toUpperCase(path[0].charAt(0)) + path[0].substring(1));
            if (m != null) {
                found = true;
                return new TableBeanHolderOutput(table, path[0], bindToken);
            }
        } catch (NoSuchMethodException | SecurityException t) {
            // nop
            found = false;
        }
    } else if (bindBase instanceof IBeanArrayHolder) {
        // handle all terminal cases for BeanArrayHolder
        IBeanArrayHolder holder = (IBeanArrayHolder) bindBase;
        try {
            Method m = holder.getHolderType().getMethod("get" + Character.toUpperCase(path[0].charAt(0)) + path[0].substring(1));
            if (m != null) {
                found = true;
                return new BeanArrayHolderOutput(holder, path[0], bindToken);
            }
        } catch (NoSuchMethodException | SecurityException t1) {
            try {
                Method m = holder.getHolderType().getMethod("is" + Character.toUpperCase(path[0].charAt(0)) + path[0].substring(1));
                if (m != null) {
                    found = true;
                    return new BeanArrayHolderOutput(holder, path[0], bindToken);
                }
            } catch (NoSuchMethodException | SecurityException t2) {
                found = false;
            // nop
            }
        }
    } else /* bean property */
    {
        // handle all terminal cases for bean property
        try {
            FastPropertyDescriptor pd = BeanUtility.getFastBeanInfo(bindBase.getClass(), null).getPropertyDescriptor(path[0]);
            if (terminal) {
                Method setter = pd != null ? pd.getWriteMethod() : null;
                if (setter != null) {
                    found = true;
                    return new AbstractBeanPropertyOutput(bindBase.getClass(), path[0], bindToken) {

                        @Override
                        protected Object[] getFinalBeanArray() {
                            return new Object[] { bindBase };
                        }
                    };
                } else {
                    Method getter = pd != null ? pd.getReadMethod() : null;
                    if (getter != null) {
                        o = getter.invoke(bindBase, (Object[]) null);
                        if (o instanceof ITableBeanHolder) {
                            throw new ProcessingException("output bind '{}' is a table bean and should not be a terminal", bindToken.getName());
                        } else if (o instanceof IBeanArrayHolder) {
                            throw new ProcessingException("output bind '{}' is a bean array and should not be a terminal", bindToken.getName());
                        } else if (o instanceof IHolder) {
                            return createOutputTerminal((IHolder) o, bindToken);
                        } else {
                            return null;
                        }
                    }
                }
            } else {
                Method getter = pd != null ? pd.getReadMethod() : null;
                if (getter != null) {
                    Object readValue = getter.invoke(bindBase, (Object[]) null);
                    o = readValue;
                    found = true;
                }
            }
        } catch (IllegalAccessException | InvocationTargetException e) {
            LOG.warn("Exception while invoking bean getter", e);
        }
    }
    // 
    if (found) {
        if (terminal) {
            throw new ProcessingException("output bind '{}' was not recognized as a terminal", bindToken.getName());
        }
        // continue
        String[] newPath = new String[path.length - 1];
        System.arraycopy(path, 1, newPath, 0, newPath.length);
        return createOutputRec(bindToken, newPath, o);
    } else {
        return null;
    }
}

Example 5 with IHolder

use of org.eclipse.scout.rt.platform.holders.IHolder in project scout.rt by eclipse.

the class AbstractBeanPropertyOutput method finishBatch.

@Override
public void finishBatch() {
    FastPropertyDescriptor desc = null;
    Object[] beans = getFinalBeanArray();
    if (beans != null) {
        int accSize = m_accumulator.size();
        for (int i = 0; i < beans.length; i++) {
            try {
                Object bean = beans[i];
                if (bean != null) {
                    if (desc == null) {
                        desc = BeanUtility.getFastBeanInfo(bean.getClass(), null).getPropertyDescriptor(m_propertyName);
                    }
                    Object value = null;
                    if (i < accSize) {
                        value = m_accumulator.get(i);
                    }
                    if (IHolder.class.isAssignableFrom(desc.getPropertyType())) {
                        @SuppressWarnings("unchecked") IHolder<Object> h = (IHolder<Object>) desc.getReadMethod().invoke(bean);
                        if (h != null) {
                            Object castValue = TypeCastUtility.castValue(value, h.getHolderType());
                            h.setValue(castValue);
                        }
                    } else {
                        Object castValue = TypeCastUtility.castValue(value, desc.getPropertyType());
                        desc.getWriteMethod().invoke(bean, castValue);
                    }
                }
            } catch (Exception e) {
                throw new ProcessingException("property " + m_propertyName, e);
            }
        }
    }
}