2 * Copyright 2016 ZTE, Inc. and others.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.onap.msb.sdclient.wrapper.consul.option;
18 import static com.google.common.base.Preconditions.checkArgument;
19 import static org.onap.msb.sdclient.wrapper.consul.option.Options.optionallyAdd;
21 import java.math.BigInteger;
23 import javax.ws.rs.client.WebTarget;
25 import com.google.common.base.Optional;
28 * Container for common query options used by the Consul API.
31 public abstract class QueryOptions implements ParamAdder {
33 public static final QueryOptions BLANK = ImmutableQueryOptions.builder().build();
35 public abstract Optional<String> getWait();
36 public abstract Optional<String> getToken();
37 public abstract Optional<BigInteger> getIndex();
38 public abstract Optional<String> getNear();
41 public ConsistencyMode getConsistencyMode() {
42 return ConsistencyMode.DEFAULT;
46 public boolean isBlocking() {
47 return getWait().isPresent();
51 public boolean hasToken() {
52 return getToken().isPresent();
58 checkArgument(getIndex().isPresent(), "If wait is specified, index must also be specified");
62 public static ImmutableQueryOptions.Builder blockSeconds(int seconds, BigInteger index) {
63 return blockBuilder("s", seconds, index);
66 public static ImmutableQueryOptions.Builder blockMinutes(int minutes, BigInteger index) {
67 return blockBuilder("m", minutes, index);
70 private static ImmutableQueryOptions.Builder blockBuilder(String identifier, int qty, BigInteger index) {
71 return ImmutableQueryOptions.builder()
72 .wait(String.format("%s%s", qty, identifier))
77 public WebTarget apply(WebTarget input) {
79 WebTarget added = input;
80 switch (getConsistencyMode()) {
82 added = added.queryParam("consistent", "");
85 added = added.queryParam("stale", "");
90 added = added.queryParam("wait", getWait().get())
91 .queryParam("index", String.valueOf(getIndex().get()));
94 added = optionallyAdd(added, "token", getToken());
95 added = optionallyAdd(added, "near", getToken());