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[New] Added StrolchTransaction.get*By(StringParameter) 

These are convenient methods to get resources and orders by a reference
parameter
This commit is contained in:
Robert von Burg 2014-08-18 09:41:05 +02:00
parent e82b9a6ae6
commit a95822689d
2 changed files with 41 additions and 0 deletions
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11
src/main/java/li/strolch/persistence/api/AbstractTransaction.java
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@ -37,6 +37,7 @@ import li.strolch.model.StrolchElement;
import li.strolch.model.StrolchRootElement;
import li.strolch.model.Tags;
import li.strolch.model.parameter.Parameter;
import li.strolch.model.parameter.StringParameter;
import li.strolch.model.query.OrderQuery;
import li.strolch.model.query.ResourceQuery;
import li.strolch.model.visitor.NoStrategyOrderVisitor;
@ -243,6 +244,16 @@ public abstract class AbstractTransaction implements StrolchTransaction {
return (T) parameter;
}
@Override
public Order getOrderBy(StringParameter refP) throws StrolchException {
return getOrderMap().getBy(this, refP);
}
@Override
public Resource getResourceBy(StringParameter refP) throws StrolchException {
return getResourceMap().getBy(this, refP);
}
@Override
public void autoCloseableCommit() {
long start = System.nanoTime();

30
src/main/java/li/strolch/persistence/api/StrolchTransaction.java
View File

@ -29,8 +29,10 @@ import li.strolch.model.ResourceVisitor;
import li.strolch.model.StrolchElement;
import li.strolch.model.StrolchRootElement;
import li.strolch.model.parameter.Parameter;
import li.strolch.model.parameter.StringParameter;
import li.strolch.model.query.OrderQuery;
import li.strolch.model.query.ResourceQuery;
import li.strolch.runtime.StrolchConstants;
import li.strolch.service.api.Command;
public interface StrolchTransaction extends AutoCloseable {
@ -102,4 +104,32 @@ public interface StrolchTransaction extends AutoCloseable {
* variable to which the result is to be is stored is a {@link Resource}, etc.
*/
public <T extends StrolchElement> T findElement(Locator locator) throws StrolchException, ClassCastException;
/**
* Returns the {@link Resource} which is referenced by the given {@link StringParameter}. A reference
* {@link Parameter} must have its interpretation set to {@link StrolchConstants#INTERPRETATION_RESOURCE_REF} and
* the UOM must be set to the resource's type and the value is the id of the resource
*
* @param refP
* the {@link StringParameter} which references a {@link Resource}
* @return the resource referenced by the parameter, or null if it does not exist
*
* @throws StrolchException
* if the {@link StringParameter} is not a properly configured as a reference parameter
*/
public Resource getResourceBy(StringParameter refP) throws StrolchException;
/**
* Returns the {@link Order} which is referenced by the given {@link StringParameter}. A reference {@link Parameter}
* must have its interpretation set to {@link StrolchConstants#INTERPRETATION_ORDER_REF} and the UOM must be set to
* the order's type and the value is the id of the order
*
* @param refP
* the {@link StringParameter} which references an {@link Order}
* @return the order referenced by the parameter, or null if it does not exist
*
* @throws StrolchException
* if the {@link StringParameter} is not a properly configured as a reference parameter
*/
public Order getOrderBy(StringParameter refP) throws StrolchException;
}