Example usage for com.google.common.collect Maps toMap

Introduction

In this page you can find the example usage for com.google.common.collect Maps toMap.

Prototype

public static <K, V> ImmutableMap<K, V> toMap(Iterator<K> keys, Function<? super K, V> valueFunction)

Source Link

Document

Returns an immutable map whose keys are the distinct elements of keys and whose value for each key was computed by valueFunction .

Usage

From source file:com.googlecode.blaisemath.sketch.SketchActions.java

public static void alignVertical(Set<Graphic<Graphics2D>> selection) {
    Iterable<Graphic<Graphics2D>> sub = Iterables.filter(selection, MOVABLE_PREDICATE);
    if (Iterables.size(sub) < 2) {
        Logger.getLogger(SketchActions.class.getName()).log(Level.INFO,
                "Cannot align with fewer than 2 movable predicates.");
        return;/*  ww  w  .j  a va 2  s  .  co  m*/
    }
    ImmutableMap<Graphic<Graphics2D>, Point2D> locs = Maps.toMap(sub, LOC_FUNCTION);
    double xAvg = Points.average(locs.values()).getY();
    for (Graphic<Graphics2D> gr : sub) {
        setPrimitiveLocation((PrimitiveGraphicSupport<?, Graphics2D>) gr,
                new Point2D.Double(xAvg, locs.get(gr).getY()));
    }
}

From source file:com.palantir.atlasdb.keyvalue.cassandra.CQLKeyValueService.java

@Override
public void dropTables(final Set<String> tablesToDrop) {
    String dropQuery = "DROP TABLE IF EXISTS %s"; // full table name (ks.cf)

    for (String tableName : tablesToDrop) {
        BoundStatement dropStatement = getPreparedStatement(tableName,
                String.format(dropQuery, getFullTableName(tableName)), longRunningQuerySession)
                        .setConsistencyLevel(ConsistencyLevel.ALL).bind();
        try {//from  w w w.j  a  v  a  2  s .c o m
            ResultSet resultSet = longRunningQuerySession.execute(dropStatement);
            CQLKeyValueServices.logTracedQuery(dropQuery, resultSet, session, cqlStatementCache.NORMAL_QUERY);
        } catch (com.datastax.driver.core.exceptions.UnavailableException e) {
            throw new InsufficientConsistencyException(
                    "Dropping tables requires all Cassandra nodes to be up and available.", e);
        }
    }

    CQLKeyValueServices.waitForSchemaVersionsToCoalesce("dropTables(" + tablesToDrop.size() + " tables)", this);

    put(CassandraConstants.METADATA_TABLE,
            Maps.toMap(Lists.transform(Lists.newArrayList(tablesToDrop), new Function<String, Cell>() {
                @Override
                public Cell apply(String tableName) {
                    return CQLKeyValueServices.getMetadataCell(tableName);
                }
            }), Functions.constant(PtBytes.EMPTY_BYTE_ARRAY)), System.currentTimeMillis());
}