org.drools.repository.ModuleItem java code examples

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private void myMethod () {
 List l =new LinkedList()
Collections.emptyList()
new ArrayList()
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}

public static void updateHeader(String h, ModuleItem pkg) {
  pkg.checkout();
  AssetItem as = null;
  if (pkg.containsAsset("drools")) {
    as = pkg.loadAsset("drools");
  } else {
    as = pkg.addAsset("drools", "");
  }
  as.updateContent(h);
  //as.checkin("");
}

this.checkout();
log.info("USER: {} CREATEING submodule [{}] under [{}]",
    new Object[]{getCurrentUserName(), subModuleName, getName()});
Node subModulesNode;
try {
    false);
return new ModuleItem(this.rulesRepository,
    ruleSubPackageNode);

private void migratePackage(ModuleItem pkg) {
  if (!pkg.containsAsset("drools")) {
    AssetItem asset = pkg.addAsset("drools", "");
    asset.updateFormat("package");
    asset.updateContent(pkg.getStringProperty(ModuleItem.HEADER_PROPERTY_NAME));
    asset.checkin("");
  }
}

/**
 * Set this to indicate if the binary is up to date, or not.
 */
public void updateBinaryUpToDate(boolean status) {
  try {
    checkIsUpdateable();
    this.checkout();
    node.setProperty(BINARY_UP_TO_DATE,
        status);
  } catch (RepositoryException e) {
    log.error("fail to update drools:binaryUpToDate of " + getName(),
        e);
  }
}

public void updateCategoryRules(String keys,
                String values) throws RulesRepositoryException {
  //System.out.println("(updateCategoryRules) keys: " + keys + " Values: " + values );
  try {
    this.checkout();
    this.updateStringProperty(keys,
        CATEGORY_RULE_KEYS_PROPERTY_NAME);
    this.updateStringProperty(values,
        CATEGORY_RULE_VALUES_PROPERTY_NAME);
  } catch (Exception e) {
    log.error("Caught Exception",
        e);
    throw new RulesRepositoryException(e);
  }
}

@Override
public ModuleItem getPrecedingVersion() throws RulesRepositoryException {
  try {
    Node precedingVersionNode = this.getPrecedingVersionNode();
    if (precedingVersionNode != null) {
      return new ModuleItem(this.rulesRepository,
          precedingVersionNode);
    } else {
      return null;
    }
  } catch (Exception e) {
    log.error("Caught exception",
        e);
    throw new RulesRepositoryException(e);
  }
}

try {
  ModuleItem itemOriginal = loadModuleByUUID(uuid);
  log.info("Renaming module: " + itemOriginal.getNode().getPath() + " to " + newModuleName);
  Node node = itemOriginal.getNode();
  String sourcePath = node.getPath();
  String destPath = node.getParent().getPath() + "/" + newModuleName;
  itemOriginal.updateTitle(newModuleName);
  itemOriginal.checkin("Renamed module " + itemOriginal.getName());
  for (Iterator iter = newModuleItem.getAssets(); iter.hasNext(); ) {
    AssetItem as = (AssetItem) iter.next();
    as.updateStringProperty(newModuleName,
  return itemOriginal.getUUID();
} catch (RepositoryException e) {
  log.error(e.getMessage(),

assertFalse(pkg.isSnapshot());
AssetItem it1 = pkg.addAsset( "testPackageCopy1", "la" );
AssetItem it2 = pkg.addAsset( "testPackageCopy2", "la" );
assertEquals(2, iteratorToList(pkg.listAssetsByFormat( new String[] {"drl"} )).size());
repo.createModuleSnapshot( "testPackageSnapshot", "PROD 2.0" );
assertTrue(pkgLoaded.isSnapshot());
assertEquals("PROD 2.0", pkgLoaded.getSnapshotName());
assertEquals("testPackageSnapshot", pkgLoaded.getName());
ModuleItem _pkgLoaded = repo.loadModuleByUUID( pkgLoaded.getUUID() );
assertNotNull(_pkgLoaded);
assertEquals(pkgLoaded.getCreatedDate(), _pkgLoaded.getCreatedDate());
assertEquals(pkgLoaded.getName(), _pkgLoaded.getName());
List loadedAssets = iteratorToList( pkgLoaded.getAssets() );
List _loadedAssets = iteratorToList( _pkgLoaded.getAssets() );
assertEquals(loadedAssets.size(), _loadedAssets.size());
it1.checkin( "X" );
assertFalse(it1.getVersionNumber()==  ver1 );
AssetItem it3 = pkg.addAsset( "testPackageCopy3", "x" );
it3.updateFormat( "drl" );
it3.checkin( "a" );
assertEquals(3, iteratorToList( pkg.listAssetsByFormat( new String[] {"drl"} )).size());
List snapAssets = iteratorToList( pkg2.getAssets() );

RulesRepository repo = RepositorySessionUtil.getRepository();
ModuleItem pkg = repo.createModule("testRestDelete", "", ModuleItem.MODULE_FORMAT);
pkg.updateStringProperty("This is some header", ModuleItem.HEADER_PROPERTY_NAME);
repo.save();
AssetItem asset1 = pkg.addAsset("asset1", "");
asset1.updateContent("this is content");
asset1.updateFormat("drl");
api.delete("packages/testRestDelete/asset1.drl");
List l = RulesRepositoryTest.iteratorToList(pkg.listAssetsByFormat(new String[] {"drl"}));
assertEquals(0, l.size());
l = RulesRepositoryTest.iteratorToList(pkg.listArchivedAssets());
assertEquals(1, l.size());
AssetItem ass = pkg.loadAsset("asset1");
assertEquals("123", ass.getContent());
assertEquals("new comment", ass.getCheckinComment());
assertFalse(ass.isArchived());
l = RulesRepositoryTest.iteratorToList(pkg.listAssetsByFormat(new String[] {"drl"}));
assertEquals(1, l.size());

AssetItem item = pkg.addAsset( "testVersionedAssetItemIteratorAsset1", "" );
item.updateFormat( "xyz" );
item.checkin( "la" );
item = pkg.addAsset( "testVersionedAssetItemIteratorAsset2", "wee" );
item.updateFormat( "xyz" );
item.checkin( "la" );
item = pkg.addAsset( "testVersionedAssetItemIteratorAsset3", "wee" );
item.updateFormat( "ABC" );
item.checkin( "version 1" );
pkg.updateDependency("testVersionedAssetItemIteratorAsset3?version=2");
pkg.checkin("Update dependency");
pkg.checkout();
pkg.checkin("version 3");
String[] dependencies = pkg.getDependencies();
assertEquals(dependencies.length, 3);
AssetItemIterator it = pkg.listAssetsByFormat( new String[] {"xyz", "ABC"} );
List list = iteratorToList( it );
assertEquals(3, list.size());
it = pkg.listAssetsByFormat( new String[] {"ABC"} );
assertTrue(it instanceof VersionedAssetItemIterator);
list = iteratorToList( it );

public static String getHeader(ModuleItem pkg) {
  if (pkg.containsAsset("drools")) {
    return pkg.loadAsset("drools").getContent();
  } else {
    return "";
  }
}

@Test
public void testAddAssetTrailingWhitespace() {
  ModuleItem pkg = getRepo().createModule("testAddAssetTrailingWhitespace","desc");
  pkg.addAsset("wee ", "");
  assertNotNull(pkg.loadAsset("wee"));
}

pkg.updateStringProperty("This is some header", ModuleItem.HEADER_PROPERTY_NAME);
repo.save();
AssetItem asset1 = pkg.addAsset("asset1", "");
asset1.updateContent("this is content");
asset1.updateFormat("drl");
AssetItem asset2 = pkg.addAsset("asset2", "");
ByteArrayInputStream in = new ByteArrayInputStream("abc".getBytes());
asset2.updateBinaryContentAttachment(in);
api.put("packages/testRestPut/asset1.drl", Calendar.getInstance(), new ByteArrayInputStream("qaz".getBytes()), "a new comment");
AssetItem asset1_ = pkg.loadAsset("asset1");
assertEquals("qaz", asset1_.getContent());
assertEquals("a new comment", asset1_.getCheckinComment());
AssetItem asset2_ = pkg.loadAsset("asset2");
assertEquals("def", new String(asset2_.getBinaryContentAsBytes()));
assertEquals("a new comment", asset2_.getCheckinComment());
assertEquals("whee", pkg.getStringProperty(ModuleItem.HEADER_PROPERTY_NAME));

@Test
public void testGetRules() {
  ModuleItem rulePackageItem1 = getRepo().createModule("testGetRules", "desc");
  assertFalse(rulePackageItem1.containsAsset("goober"));
  AssetItem ruleItem1 = rulePackageItem1.addAsset("testGetRules", "desc" );
  ruleItem1.updateContent( "test lhs content" );
  assertTrue(rulePackageItem1.containsAsset( "testGetRules" ));
  assertFalse(rulePackageItem1.containsAsset( "XXXXYYYYZZZZ" ));
  List rules = iteratorToList(rulePackageItem1.getAssets());
  assertNotNull(rules);
  assertEquals(1, rules.size());
  assertEquals("testGetRules", ((AssetItem)rules.get(0)).getName());
  AssetItem ruleItem2 = rulePackageItem1.addAsset("testGetRules2", "desc" );
  ruleItem2.updateContent( "test lhs content" );
  rules = iteratorToList(rulePackageItem1.getAssets());
  assertNotNull(rules);
  assertEquals(2, rules.size());
  //now lets test loading rule
  AssetItem loaded = rulePackageItem1.loadAsset( "testGetRules" );
  assertNotNull(loaded);
  assertEquals("testGetRules", loaded.getName());
  assertEquals("desc", loaded.getDescription());
}

RulesRepository repo = RepositorySessionUtil.getRepository();
ModuleItem pkg = repo.createModule("testRestGetBasics", "", ModuleItem.MODULE_FORMAT);
pkg.updateStringProperty("This is some header", ModuleItem.HEADER_PROPERTY_NAME);
repo.save();
AssetItem asset1 = pkg.addAsset("asset1", "");
asset1.updateContent("this is content");
asset1.updateFormat("drl");
asset1.checkin("");
AssetItem asset2 = pkg.addAsset("asset2", "");
asset2.updateContent("this is content");
asset2.updateFormat("xml");
asset2.checkin("");
AssetItem asset3 = pkg.addAsset("asset3", "");
ByteArrayInputStream in = new ByteArrayInputStream("abc".getBytes());
asset3.updateBinaryContentAttachment(in);
Response res = api.get(url);
assertNotNull(res.lastModified);
assertEquals(pkg.getLastModified(), res.lastModified);
ByteArrayOutputStream out = new ByteArrayOutputStream();
res.writeData(out);
assertEquals(pkg.getStringProperty(ModuleItem.HEADER_PROPERTY_NAME), dotPackage);

  @Test
  public void testPackageCheckinConfig() {
    ModuleItem item = getRepo().createModule( "testPackageCheckinConfig", "description" );

    AssetItem rule = item.addAsset( "testPackageCheckinConfig", "w" );
    rule.checkin( "goo" );

    assertEquals(1, iteratorToList( item.getAssets() ).size());
    updateHeader( "la", item );
    item.checkin( "woot" );

    updateHeader( "we", item );
    item.checkin( "gah" );

//        PackageItem pre = (PackageItem) item.getPrecedingVersion();
//        assertNotNull(pre);
//        assertEquals("la", getHeader(pre));

    AssetItem rule_ = getRepo().loadAssetByUUID( rule.getUUID() );
    assertEquals(rule.getVersionNumber(), rule_.getVersionNumber());

    item = getRepo().loadModule( "testPackageCheckinConfig");
    long v = item.getVersionNumber();
    item.updateCheckinComment( "x" );
    getRepo().save();

    assertEquals(v, item.getVersionNumber());
  }

@Test
public void testRemoveShareableAsset() throws Exception {
  AssetItem asset = loadGlobalArea().addAsset("testRemoveShareableAssetAsset", "desc");
  asset.updateContent("la");
  asset.checkin("initial");
  AssetItem linkedAsset = getDefaultPackage().addAssetImportedFromGlobalArea(asset.getName());
  linkedAsset.updateContent("laa");
  linkedAsset.checkin("second");
  // REVISIT: the shared asset can not be removed unless no asset refers to it.
  // asset.remove();
  linkedAsset.remove();
  try {
    AssetItem linkedAsset1 = getDefaultPackage().loadAsset("testRemoveShareableAssetAsset");
    fail("Did not get expected exception");
  } catch (RulesRepositoryException e) {
  }
  AssetItem asset1 = loadGlobalArea().loadAsset("testRemoveShareableAssetAsset");
  assertTrue(asset.getUUID().equals(asset1.getUUID()));
}

@Test
public void testImportExportWithShareableNodes() throws Exception {
  RulesRepository repo = getRepo();
  AssetItem item = repo.loadDefaultModule().addAsset("testImportExportShareableNodeOriginal", "desc");
  item.updateContent("la");
  ModuleItem.ensureMixinType(item, "mix:shareable");
  ModuleItem source = repo.createModule("testImportExportShareableNodesPackage", "desc");
  repo.save();
  source.checkout();
  Session session = item.getNode().getSession();
  Workspace workspace = session.getWorkspace();
  String path = "/drools:repository/drools:package_area/testImportExportShareableNodesPackage/assets/testImportExportShareableNodeShared";
  workspace.clone(workspace.getName(), item.getNode().getPath(), path, false);
  repo.save();
  byte[] repository_backup;
  ByteArrayOutputStream bout = new ByteArrayOutputStream();
  repo.exportRepositoryToStream(bout);
  repository_backup = bout.toByteArray();
  assertNotNull(repository_backup);
  repo.importRulesRepositoryFromStream(new ByteArrayInputStream(
      repository_backup));
  assertTrue(repo.containsModule("testImportExportShareableNodesPackage"));
  assertTrue(repo.loadModule("testImportExportShareableNodesPackage").containsAsset("testImportExportShareableNodeOriginal"));
}

@Test
public void testShareableNodesWithQuery() throws Exception {
  RulesRepository repo = getRepo();
  AssetItem item = repo.loadGlobalArea().addAsset("testShareableNodesWithQueryOriginal", "desc");
  item.updateFormat("xyz");
  item.getNode().addMixin("mix:shareable");
  ModuleItem source = repo.createModule("testShareableNodesWithQueryPackage", "desc");
  repo.save();
  AssetItemIterator it = repo.loadGlobalArea().queryAssets( "drools:format='xyz'" );
  List list = iteratorToList( it );
  assertEquals(1, list.size());
  assertTrue(list.get( 0 ) instanceof AssetItem);
  
  source.checkout();
  Session session = repo.getSession();
  Workspace workspace = session.getWorkspace();
  String path = "/drools:repository/drools:package_area/testShareableNodesWithQueryPackage/assets/testShareableNodesWithQueryShared";
  workspace.clone(workspace.getName(), item.getNode().getPath(), path, false);
  repo.save();
  AssetItem originalItem = repo.loadGlobalArea().loadAsset("testShareableNodesWithQueryOriginal");
  AssetItem sharedItem = repo.loadModule("testShareableNodesWithQueryPackage").loadAsset("testShareableNodesWithQueryShared");
  assertTrue( originalItem.getFormat().equals("xyz"));
  assertTrue( sharedItem.getFormat().equals("xyz"));
  it = repo.loadGlobalArea().queryAssets( "drools:format='xyz'" );
  list = iteratorToList( it );
  assertEquals(1, list.size());
  assertTrue(list.get( 0 ) instanceof AssetItem);
}

getRepo().save();
String[] dependencies = item.getDependencies();
assertEquals(dependencies.length, 0);
AssetItem rule = item.addAsset("testDependenciesWithHistoricalVersionAsset1", "w");
dependencies = item.getDependencies();
assertEquals(dependencies.length, 1);
assertEquals(
    dependencies[0]);
item.checkout();
item.checkin("v1");
ModuleItem historicalPackage = getRepo().loadModule("testDependenciesWithHistoricalVersion", 2);
dependencies = historicalPackage.getDependencies();
assertEquals(1, dependencies.length);
    dependencies[0]);
item.checkout();
item.checkin("v2");
historicalPackage = getRepo().loadModule("testDependenciesWithHistoricalVersion", 3);
dependencies = historicalPackage.getDependencies();
assertEquals(1, dependencies.length);

Javadoc

A ModuleItem object aggregates a set of assets (for example, rules). This is advantageous for systems using the JBoss Rules engine where the application might make use of many related assets.

A ModuleItem refers to module nodes within the RulesRepository. It contains the "master copy" of assets (which may be linked into other module or other types of containers). This is a container "node".

Most used methods

addAsset
This adds an asset to the current physical module (you can move it later). With the given category.
containsAsset
Returns true if this module contains an asset of the given name.
getName
Return the name of the module.
getStringProperty
listAssetsByFormat
This will load an iterator for assets of the given format type.
loadAsset
Load a specific asset by name.
updateStringProperty
<init>
Constructs an object of type ModuleItem corresponding the specified node
checkin
checkout
createSubModule
Creates a nested package.
ensureMixinType

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How to useModuleItem in org.drools.repository

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org.drools.repository