Example usage for com.google.common.collect Iterators concat

Introduction

In this page you can find the example usage for com.google.common.collect Iterators concat.

Prototype

public static <T> Iterator<T> concat(Iterator<? extends T> a, Iterator<? extends T> b)

Source Link

Document

Combines two iterators into a single iterator.

Usage

From source file:net.daporkchop.toobeetooteebot.text.TextComponentTranslation.java

public Iterator<ITextComponent> iterator() {
    this.ensureInitialized();
    return Iterators.concat(createDeepCopyIterator(this.children), createDeepCopyIterator(this.siblings));
}

From source file:org.pshdl.model.impl.AbstractHDLOpExpression.java

@Override
public Iterator<IHDLObject> deepIterator() {
    return new Iterator<IHDLObject>() {

        private int pos = 0;
        private Iterator<? extends IHDLObject> current;

        @Override// w w w. ja  va2  s.c  o m
        public boolean hasNext() {
            if ((current != null) && !current.hasNext()) {
                current = null;
            }
            while (current == null) {
                switch (pos++) {
                case 0:
                    if (left != null) {
                        current = Iterators.concat(Iterators.forArray(left), left.deepIterator());
                    }
                    break;
                case 1:
                    if (right != null) {
                        current = Iterators.concat(Iterators.forArray(right), right.deepIterator());
                    }
                    break;
                default:
                    return false;
                }
            }
            return (current != null) && current.hasNext();
        }

        @Override
        public IHDLObject next() {
            return current.next();
        }

        @Override
        public void remove() {
            throw new IllegalArgumentException("Not supported");
        }

    };
}

From source file:org.pshdl.model.impl.AbstractHDLExport.java

@Override
public Iterator<IHDLObject> deepIterator() {
    return new Iterator<IHDLObject>() {

        private int pos = 0;
        private Iterator<? extends IHDLObject> current;

        @Override/*from   w w w  . j  a  v a 2  s  .c om*/
        public boolean hasNext() {
            if ((current != null) && !current.hasNext()) {
                current = null;
            }
            while (current == null) {
                switch (pos++) {
                case 0:
                    if (exportRef != null) {
                        current = Iterators.concat(Iterators.forArray(exportRef), exportRef.deepIterator());
                    }
                    break;
                default:
                    return false;
                }
            }
            return (current != null) && current.hasNext();
        }

        @Override
        public IHDLObject next() {
            return current.next();
        }

        @Override
        public void remove() {
            throw new IllegalArgumentException("Not supported");
        }

    };
}

From source file:org.locationtech.geogig.porcelain.RemoveOp.java

private void stageDeletes(Iterator<NodeRef> trees, Iterator<String> features) {
    final StagingArea index = stagingArea();

    Iterator<DiffEntry> treeDeletes = Iterators.transform(trees, (treeRef) -> new DiffEntry(treeRef, null));

    Iterator<DiffEntry> featureDeletes = Iterators.transform(features, (featurePath) -> {
        Node node = Node.create(NodeRef.nodeFromPath(featurePath), ObjectId.NULL, ObjectId.NULL, TYPE.FEATURE,
                null);// w ww. jav  a 2s.  c  o m
        String parentPath = NodeRef.parentPath(featurePath);
        NodeRef oldFeature = new NodeRef(node, parentPath, ObjectId.NULL);
        return new DiffEntry(oldFeature, null);
    });

    ProgressListener progress = DefaultProgressListener.NULL;
    index.stage(progress, Iterators.concat(treeDeletes, featureDeletes), -1);
}

From source file:com.liato.bankdroid.BankEditActivity.java

private boolean validate() {
    boolean valid = true;
    Iterator<Field> fields = Iterators.concat(SELECTED_BANK.getConnectionConfiguration().iterator(),
            DefaultConnectionConfiguration.fields().iterator());
    while (fields.hasNext()) {
        Field field = fields.next();
        try {//  www  . j a v a  2s .  c o m
            field.validate(getFormParameter(field.getReference()));
        } catch (IllegalArgumentException e) {
            valid = false;
            ((EditText) mFormContainer.findViewWithTag(field.getReference())).setError(e.getMessage());
        }
    }
    return valid;
}

From source file:org.elasticsearch.index.mapper.externalvalues.ExternalMapper.java

@Override
public Iterator<Mapper> iterator() {
    return Iterators.concat(super.iterator(),
            Lists.newArrayList(binMapper, boolMapper, pointMapper, shapeMapper, stringMapper).iterator());
}

From source file:org.apache.jackrabbit.oak.security.user.MembershipWriter.java

/**
 * Removes the members from the given group.
 *
 * @param groupTree group to remove the member from
 * @param memberIds Map of 'contentId':'memberId' of all members that need to be removed.
 * @return the set of member IDs that was not successfully processed.
 *//*w w w.j av a  2s . com*/
Set<String> removeMembers(@Nonnull Tree groupTree, @Nonnull Map<String, String> memberIds) {
    Tree membersList = groupTree.getChild(UserConstants.REP_MEMBERS_LIST);
    Iterator<Tree> trees = Iterators.concat(Iterators.singletonIterator(groupTree),
            membersList.getChildren().iterator());
    while (trees.hasNext() && !memberIds.isEmpty()) {
        Tree t = trees.next();
        PropertyState refs = t.getProperty(UserConstants.REP_MEMBERS);
        if (refs != null) {
            PropertyBuilder<String> prop = PropertyBuilder.copy(Type.WEAKREFERENCE, refs);
            Iterator<Map.Entry<String, String>> memberEntries = memberIds.entrySet().iterator();
            while (memberEntries.hasNext()) {
                String memberContentId = memberEntries.next().getKey();
                if (prop.hasValue(memberContentId)) {
                    prop.removeValue(memberContentId);
                    if (prop.isEmpty()) {
                        if (t == groupTree) {
                            t.removeProperty(UserConstants.REP_MEMBERS);
                        } else {
                            t.remove();
                        }
                    } else {
                        t.setProperty(prop.getPropertyState());
                    }
                    memberEntries.remove();
                }
            }
        }
    }
    return Sets.newHashSet(memberIds.values());
}

From source file:org.apache.jackrabbit.oak.security.user.AuthorizableImpl.java

/**
 * Retrieve the group membership of this authorizable.
 *
 * @param includeInherited Flag indicating whether the resulting iterator only
 * contains groups this authorizable is declared member of or if inherited
 * group membership is respected.// ww w.j  a v  a2  s.  c o m
 *
 * @return Iterator of groups this authorizable is (declared) member of.
 * @throws RepositoryException If an error occurs.
 */
@Nonnull
private Iterator<Group> getMembership(boolean includeInherited) throws RepositoryException {
    if (isEveryone()) {
        return Collections.<Group>emptySet().iterator();
    }

    MembershipProvider mMgr = getMembershipProvider();
    Iterator<String> oakPaths = mMgr.getMembership(getTree(), includeInherited);

    Authorizable everyoneGroup = userManager.getAuthorizable(EveryonePrincipal.getInstance());
    if (everyoneGroup instanceof GroupImpl) {
        String everyonePath = ((GroupImpl) everyoneGroup).getTree().getPath();
        oakPaths = Iterators.concat(oakPaths, ImmutableSet.of(everyonePath).iterator());
    }
    if (oakPaths.hasNext()) {
        AuthorizableIterator groups = AuthorizableIterator.create(oakPaths, userManager,
                AuthorizableType.GROUP);
        return new RangeIteratorAdapter(groups, groups.getSize());
    } else {
        return RangeIteratorAdapter.EMPTY;
    }
}

From source file:org.devmaster.elasticsearch.index.mapper.RecurringFieldMapper.java

@Override
public Iterator<Mapper> iterator() {
    List<? extends Mapper> extras = Arrays.asList(startDateMapper, endDateMapper, rruleMapper);
    return Iterators.concat(super.iterator(), extras.iterator());
}

From source file:org.summer.dsl.builder.impl.QueuedBuildData.java

public Queue<URI> getQueue(String projectName) {
    final LinkedList<URI> list = projectNameToChangedResource.get(projectName);
    if (list == null)
        return uris;
    return new AbstractQueue<URI>() {

        public boolean offer(URI o) {
            return list.offer(o);
        }/*  ww  w .  jav a2s .co m*/

        public URI poll() {
            if (uris.isEmpty())
                return list.poll();
            return uris.poll();
        }

        public URI peek() {
            if (uris.isEmpty())
                return list.peek();
            return uris.peek();
        }

        @Override
        public Iterator<URI> iterator() {
            return Iterators.concat(uris.iterator(), list.iterator());
        }

        @Override
        public int size() {
            return uris.size() + list.size();
        }
    };
}