Java Path类代码示例

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test(expected = UnsupportedOperationException.class)
public void testTranslate_UnsupportedField() throws JSONException{
    SearchResultEntry result = new SearchResultEntry(-1, "uid=john.doe,dc=example,dc=com", new Attribute[]{new Attribute("fake")});

    @SuppressWarnings("serial")
    EntityMetadata md = fakeEntityMetadata("fakeMetadata", new Field("fake"){

        @Override
        public boolean hasChildren() {
            throw new UnsupportedOperationException("Method should never be called.");
        }

        @Override
        public Iterator<? extends FieldTreeNode> getChildren() {
            throw new UnsupportedOperationException("Method should never be called.");
        }

        @Override
        public FieldTreeNode resolve(Path p, int level) {
            throw new UnsupportedOperationException("Method should never be called.");
        }

    });

    new ResultTranslatorToJson(factory, md, new TrivialLdapFieldNameTranslator()).translate(result);
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
private Projection addArrayIdentities(Projection p,EntityMetadata md) {
    // If an array is included in the projection, make sure its identity is also included
    Map<Path,List<Path>> arrayIdentities=md.getEntitySchema().getArrayIdentities();
    List<Projection> addFields=new ArrayList<>();
    for(Map.Entry<Path,List<Path>> entry:arrayIdentities.entrySet()) {
        Path array=entry.getKey();
        List<Path> identities=new ArrayList<>();
        for(Path x:entry.getValue())
            identities.add(new Path(array,new Path(Path.ANYPATH,x)));
        
        if(isProjected(array,p)) {
            for(Path id:identities) {
                if(!isProjected(id,p)) {
                    addFields.add(new FieldProjection(id,true,true));
                }
            }
        }
    }
    if(!addFields.isEmpty()) {
        LOGGER.debug("Excluded array identities are added to projection:{}",addFields);
        // Need to first add the original projection, then the included fields.
        // This is order sensitive
        return Projection.add(p,new ProjectionList(addFields));
    } else
        return p;
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
private void flatten(String prefix, JsonNode node, List<PathAndValue> entityData) {
    if (node.size() == 0) {
        return;
    }

    JsonNodeCursor cursor = new JsonNodeCursor(Path.EMPTY, node);

    while(cursor.next()) {
        String p=cursor.getCurrentPath().toString();
        JsonNode value=cursor.getCurrentNode();

        if(value.isValueNode()) {
            String path = prefix.isEmpty() ? p : (prefix + "." + p);
            PathAndValue data = new PathAndValue(path, value.asText(null));

            // TODO(ahenning): Consider using Set instead of List for entityData
            if (!entityData.contains(data)) {
                entityData.add(data);
            }
        }
    }
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldNotCreateNotificationsIfSomethingNotWatchedChanged() throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode pre = loadJsonNode("userdata.json");

    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'personalInfo','recursive':1}"),
            null,
            false);

    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post, new Path("login"), JsonNodeFactory.instance.textNode("blah"), true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, new JsonDoc(pre), new JsonDoc(post), CRUDOperation.UPDATE, "me");
    docs.add(doc);

    hook.processHook(md,cfg,docs);

    Assert.assertNull(insertCapturingMediator.capturedInsert);
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldCaptureWatchedNonContainerNodeChangesInEntityData() throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode pre = loadJsonNode("userdata.json");
    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post, new Path("sites.0.streetAddress.city"), JsonNodeFactory.instance.textNode("blah"), true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, new JsonDoc(pre), new JsonDoc(post), CRUDOperation.UPDATE, "me");
    docs.add(doc);
    
    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'sites','recursive':1}"),
            projection("{'field':'sites','recursive':1}"),
            false);

    hook.processHook(md, cfg, docs);
    Assert.assertNotNull(insertCapturingMediator.capturedInsert);
    JsonNode data=insertCapturingMediator.capturedInsert.getEntityData();
    Assert.assertEquals("sites.0.streetAddress.city",data.get("updatedPaths").get(0).asText());
    Assert.assertEquals(1,data.get("updatedPaths").size());
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldOnlyIncludeWhatChangedOfArrayElementIfElementIdentityNotWatched()
        throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode pre = loadJsonNode("userdata.json");
    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post, new Path("sites.0.streetAddress.city"), JsonNodeFactory.instance.textNode("blah"), true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, new JsonDoc(pre), new JsonDoc(post), CRUDOperation.UPDATE, "me");
    docs.add(doc);

    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'sites.*.streetAddress.city','recursive':1}"),
            null,
            false);

    hook.processHook(md, cfg, docs);
    Assert.assertNotNull(insertCapturingMediator.capturedInsert);
    JsonNode data=insertCapturingMediator.capturedInsert.getEntityData();

    Truth.assertThat(
            Iterables.transform(data.get("updatedPaths"), toTextValue()))
            .containsExactly("sites.0.streetAddress.city");
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldCaptureWatchedArrayElementRemovalInRemovedEntityDataAndRemovedElements() throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode pre = loadJsonNode("userdata.json");
    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post,new Path("sites.1"),null,true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, new JsonDoc(pre), new JsonDoc(post), CRUDOperation.UPDATE, "me");
    docs.add(doc);
    
    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'sites','recursive':1}"),
            projection("{'field':'sites','recursive':1}"),
            false);

    hook.processHook(md, cfg, docs);        
    JsonNode data=insertCapturingMediator.capturedInsert.getEntityData();
    Assert.assertEquals(1,data.get("removedPaths").size());
    Assert.assertEquals("sites.1",data.get("removedPaths").get(0).asText());

    // Check we also have sites.1 contents
    assertEntityDataValueEquals( (ArrayNode)data.get("removedEntityData"),"sites.1.siteId","2");
    assertEntityDataValueEquals( (ArrayNode)data.get("removedEntityData"),"sites.1.siteType","billing");
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldIncludeRemovedEntityDataForModifications() throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode pre = loadJsonNode("userdata.json");
    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post, new Path("sites.0.streetAddress.city"),
            JsonNodeFactory.instance.textNode("new city"), true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, new JsonDoc(pre), new JsonDoc(post), CRUDOperation.UPDATE, "me");
    docs.add(doc);

    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'sites','recursive':1}"),
            projection("{'field':'sites','recursive':1}"),
            false);

    hook.processHook(md, cfg, docs);
    JsonNode data=insertCapturingMediator.capturedInsert.getEntityData();
    Assert.assertEquals(0,data.get("removedPaths").size());

    // Check we also have sites.1 contents
    assertEntityDataValueEquals((ArrayNode) data.get("removedEntityData"),
            "sites.0.streetAddress.city", "Denver");
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void shouldCaptureNullsAsNull() throws Exception {
    EntityMetadata md = getMd("usermd.json");
    JsonNode post = loadJsonNode("userdata.json");
    JsonDoc.modify(post, new Path("personalInfo.company"),
            JsonNodeFactory.instance.nullNode(), true);

    List<HookDoc> docs= new ArrayList<>();
    HookDoc doc = new HookDoc(md, null, new JsonDoc(post), CRUDOperation.INSERT, "me");
    docs.add(doc);

    HookConfiguration cfg = new NotificationHookConfiguration(
            projection("{'field':'personalInfo','recursive':1}"),
            projection("{'field':'personalInfo','recursive':1}"),
            false);

    hook.processHook(md, cfg, docs);
    JsonNode data=insertCapturingMediator.capturedInsert.getEntityData();

    // Check we also have sites.1 contents
    assertEntityDataValueEquals((ArrayNode) data.get("entityData"), "personalInfo.company", null);
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Override
protected Filter itrNaryValueRelationalExpression(NaryValueRelationalExpression query, Path path){
    String attributeName = fieldNameTranslator.translateFieldName(query.getField());
    List<Filter> filters = new ArrayList<>();
    for(Value value : query.getValues()){
        filters.add(Filter.createEqualityFilter(attributeName, value.getValue().toString()));
    }

    switch (query.getOp()){
        case _in:
            return Filter.createORFilter(filters);
        case _not_in:
            return Filter.createNOTFilter(Filter.createORFilter(filters));
        default:
            throw new UnsupportedOperationException("Unsupported operation: " + query.getOp());
    }
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
private void convertArrayFieldToBson(JsonNode node, JsonNodeCursor cursor, BasicDBObject ret, FieldTreeNode fieldMdNode, Path path, EntityMetadata md,ResultMetadata rmd) {
    if (node != null) {
        if (node instanceof ArrayNode) {
            if (cursor.firstChild()) {
                ret.append(path.tail(0), arrayToBson(cursor, ((ArrayField) fieldMdNode).getElement(), md,rmd));
                cursor.parent();
            } else {
                // empty array! add an empty list.
                ret.append(path.tail(0), new ArrayList());
            }
        } else if (node instanceof NullNode) {
            ret.append(path.tail(0), null);
        } else {
            throw Error.get(ERR_INVALID_FIELD, path.toString());
        }
    }
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
@Test
public void testSortKey_Desc(){
    String fieldName = "fakeField";

    Sort sort = new SortKey(new Path(fieldName), true);

    com.unboundid.ldap.sdk.controls.SortKey[] translatedSorts = new SortTranslator(new TrivialLdapFieldNameTranslator()).translate(sort);

    assertNotNull(translatedSorts);
    assertEquals(1, translatedSorts.length);
    com.unboundid.ldap.sdk.controls.SortKey translatedSort = translatedSorts[0];
    assertNotNull(translatedSort);

    assertEquals(fieldName, translatedSort.getAttributeName());
    assertTrue(translatedSort.reverseOrder());
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
private Block processNestedArrays(Context ctx,Path field,Block parent,Name arrayFieldName) {
    MutablePath pathSegment=new MutablePath();
    for(int i=0;i<field.numSegments();i++) {
        String seg=field.head(i);
        if(Path.ANY.equals(seg)) {
            Name name=ctx.varName(arrayFieldName);
            ArrForLoop loop=new ArrForLoop(ctx.newName("ri"),name);
            parent.add(IfStatement.ifDefined(name,loop));
            parent=loop;
            pathSegment.push(Path.ANY);
            arrayFieldName.add(loop.loopVar,true);
        } else {
            arrayFieldName.add(seg,field.isIndex(i));
            pathSegment.push(seg);
        }
    }
    return parent;
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
/**
 * <pre>
 *   var r0=false;
 *   for(var i=0;i<this.arr.length;i++) {
 *      elemMatchQuery
 *      if(resultOfElemMatch) {
 *         r0=true;break;
 *      }
 *   }
 *  return r0;
 * </pre>
 */
private Block translateArrayElemMatch(Context ctx,ArrayMatchExpression query) {
    // An elemMatch expression is a for-loop
    Block block=new Block(ctx.topLevel.newGlobalBoolean(ctx));

    // for (elem:array)
    Name arrName=ctx.varName(new Name(query.getArray()));
    ArrForLoop loop=new ArrForLoop(ctx.newName("i"),arrName);
    Context newCtx=ctx.enter(ctx.contextNode.resolve(new Path(query.getArray(),Path.ANYPATH)),loop);
    Block queryBlock=translateQuery(newCtx,query.getElemMatch());
    loop.replace(queryBlock);
    loop.add(new IfStatement(new SimpleExpression(queryBlock.resultVar),
                             new SimpleStatement("%s=true",block.resultVar),
                             SimpleStatement.S_BREAK));
    block.add(IfStatement.ifDefined(arrName,loop));
    return block;
}
 

import com.redhat.lightblue.util.Path; //导入依赖的package包/类
public Name varName(Name localName) {
    FieldTreeNode current=contextNode;
    Name p=new Name();
    if(contextBlock!=null)
        p.add(contextBlock.getDocumentLoopVarAsPrefix());
    int n=localName.length();
    for(int i=0;i<n;i++) {
        Name.Part seg=localName.getPart(i);
        if(Path.PARENT.equals(seg.name)) {
            p.removeLast();
            current=current.getParent();
            if(current==null)
                throw Error.get(JSQueryTranslator.ERR_INVALID_FIELD,localName.toString());
        } else if(Path.THIS.equals(seg.name)) {
            ; // Stay here
        } else {
            p.add(seg);
            // This will throw an exception if it cannot resolve seg
            if(seg.index)
                current=current.resolve(Path.ANYPATH);
            else
                current=current.resolve(new Path(seg.name));
        }
    }
    return p;
}