com.basho.riak.client.raw.StoreMeta Maven / Gradle / Ivy
/*
* This file is provided to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.basho.riak.client.raw;
import com.basho.riak.client.cap.Quora;
import com.basho.riak.client.cap.Quorum;
import java.util.Date;
/**
* Encapsulates the optional parameters for a store operation on Riak
*
* @author russell
* @see RawClient#store(com.basho.riak.client.IRiakObject, StoreMeta)
*/
public class StoreMeta {
private static final StoreMeta EMPTY = new StoreMeta(null, null, null, false, null, null, null, null);
private final Quorum w;
private final Quorum dw;
private final Quorum pw;
private final Boolean returnBody;
private final Boolean returnHead;
private final Boolean ifNoneMatch;
private final Boolean ifNotModified;
private final Boolean asis;
private final Integer timeout;
// these two are HTTP API specific for ifNoneMatch and ifNotModified
// which are different to the PB options of the same name
private String[] etags;
private Long lastModified;
/**
* Create a StoreMeta, accepts nulls for any parameter
*
* @param w
* the write quorum for a store operation
* @param dw
* the durable write quorum for a store operation
* @param pw
* the primary write quorum
* @param returnBody
* should the store operation return the new data item and its
* meta data
* @param ifNoneMatch
* only store if bucket/key does not exist
* @param ifNotModified
* only store is the vclock supplied on store matches the vclock
* in Riak
*/
public StoreMeta(Integer w, Integer dw, Integer pw, Boolean returnBody, Boolean ifNoneMatch, Boolean ifNotModified, Boolean asis, Integer timeout) {
this(null == w ? null : new Quorum(w),
null == dw ? null : new Quorum(dw),
null == pw ? null : new Quorum(pw),
returnBody,
null,
ifNoneMatch,
ifNotModified,
asis,
timeout
);
}
/**
* Create a StoreMeta, accepts nulls for any parameter
*
* @param w
* the write quorum for a store operation
* @param dw
* the durable write quorum for a store operation
* @param pw
* the primary write quorum
* @param returnBody
* should the store operation return the new data item and its
* meta data
* @param returnHead
* should the store operation return only the meta data
* @param ifNoneMatch
* only store if bucket/key does not exist
* @param ifNotModified
* only store is the vclock supplied on store matches the vclock
* in Riak
*/
public StoreMeta(Integer w, Integer dw, Integer pw, Boolean returnBody, Boolean returnHead, Boolean ifNoneMatch,
Boolean ifNotModified, Boolean asis, Integer timeout) {
this(null == w ? null : new Quorum(w),
null == dw ? null : new Quorum(dw),
null == pw ? null : new Quorum(pw),
returnBody,
returnHead,
ifNoneMatch,
ifNotModified,
asis,
timeout
);
}
/**
* Create a StoreMeta, accepts nulls for any parameter
*
* @param w
* the write quorum for a store operation
* @param dw
* the durable write quorum for a store operation
* @param pw
* the primary write quorum
* @param returnBody
* should the store operation return the new data item and its
* meta data
* @param returnHead
* should the store operation return only the meta data
* @param ifNoneMatch
* only store if bucket/key does not exist
* @param ifNotModified
* only store is the vclock supplied on store matches the vclock
* in Riak
*/
public StoreMeta(Quorum w, Quorum dw, Quorum pw, Boolean returnBody, Boolean returnHead, Boolean ifNoneMatch,
Boolean ifNotModified, Boolean asis, Integer timeout) {
this.w = w;
this.dw = dw;
this.pw = pw;
this.returnBody = returnBody;
this.returnHead = returnHead;
this.ifNoneMatch = ifNoneMatch;
this.ifNotModified = ifNotModified;
this.asis = asis;
this.timeout = timeout;
}
/**
* The write quorum
* @return an Integer or null if no write quorum set
*/
public Quorum getW() {
return w;
}
/**
* Is the write quorum set?
* @return true if the write quorum is set, false otherwise
*/
public boolean hasW() {
return w != null;
}
/**
* The durable write quorum
* @return an Integer or null if the durable write quorum is not set
*/
public Quorum getDw() {
return dw;
}
/**
* Has the durable write quorum been set?
* @return true if durable write quorum is set, false otherwise
*/
public boolean hasDw() {
return dw != null;
}
/**
* Has the return body parameter been set?
* @return true of return body parameter is set, false otherwise
*/
public boolean hasReturnBody() {
return returnBody != null;
}
/**
* Get the value for the return body parameter
* @return the returnBody parameter or null if it is not set
*/
public Boolean getReturnBody() {
return returnBody;
}
/**
* Has the pw parameter been set?
*
* @return true if pw parameter is set, false
* otherwise
*/
public boolean hasPw() {
return pw != null;
}
/**
* Get the value for the pw parameter
*
* @return the pw or null if it is not set.
*/
public Quorum getPw() {
return pw;
}
/**
* Has the ifNoneMatch parameter been set?
*
* @return true if ifNoneMatch parameter is set,
* false otherwise
*/
public boolean hasIfNoneMatch() {
return ifNoneMatch != null;
}
/**
* Get the value of the ifNoneMatch parameter
*
* @return the ifNoneMatch or null if not set.
*/
public Boolean getIfNoneMatch() {
return ifNoneMatch;
}
/**
* @return true if hasIfNoneMatch && getIfNoneMatch
*/
public boolean isIfNoneMatch() {
return hasIfNoneMatch() && ifNoneMatch;
}
/**
* Has the ifNotModified parameter been set?
*
* @return true if ifNotModified parameter is set,
* false otherwise
*/
public boolean hasIfNotModified() {
return ifNotModified != null;
}
/**
* Get the value of the ifNoneMatch parameter
*
* @return the ifNotModified or null if not set.
*/
public Boolean getIfNotModified() {
return ifNotModified;
}
/**
* @return true if hasIfNotModified && getIfNotModified, false otherwise
*/
public boolean isIfNotModified() {
return hasIfNotModified() && ifNotModified;
}
/**
* @return an empty StoreMeta
*/
public static StoreMeta empty() {
return EMPTY;
}
/**
* @return true if returnHead is set, false otherwise
*/
public boolean hasReturnHead() {
return returnHead != null;
}
/**
* @return the returnHead value or null (if not set)
*/
public Boolean getReturnHead() {
return returnHead;
}
public boolean hasAsis() {
return asis != null;
}
public boolean getAsis() {
return asis;
}
/**
*
* @return true if a timeout has been set, false otherwise
*/
public boolean hasTimeout() {
return timeout != null;
}
/**
*
* @return the timeout value, null if it has not been set
*/
public Integer getTimeout() {
return timeout;
}
/**
* Optional supporting data for ifNoneMatch for the HTTP API
*
* @param etags
* the array of etags to provide for ifNoneMatch
* @return this.
*/
public synchronized StoreMeta etags(String[] etags) {
if (etags != null) {
this.etags = etags.clone();
}
return this;
}
/**
* @return the etags
*/
public synchronized String[] getEtags() {
if (etags != null) {
return etags.clone();
}
return null;
}
/**
* @return the lastModified
*/
public synchronized Date getLastModified() {
if (lastModified != null) {
return new Date(lastModified);
}
return null;
}
/**
* Optional supporting parameter for ifNotModified for the HTTP API
*
* @param lastModified
* a Date
* @return this
*/
public synchronized StoreMeta lastModified(Date lastModified) {
if (lastModified != null) {
this.lastModified = lastModified.getTime();
}
return this;
}
/**
* @return a StoreMeta with only the headOnly set to true
*/
public static StoreMeta headOnly() {
return new StoreMeta((Quorum)null, null, null, null, true, null, null, null, null);
}
public static class Builder {
private Quorum w;
private Quorum dw;
private Quorum pw;
private Boolean returnBody;
private Boolean returnHead;
private Boolean ifNotModified;
private Boolean ifNoneMatch;
private Boolean asis;
private Integer timeout;
public StoreMeta build() {
return new StoreMeta(w, dw, pw, returnBody, returnHead, ifNoneMatch, ifNotModified, asis, timeout);
}
public Builder w(int w) {
this.w = new Quorum(w);
return this;
}
public Builder w(Quora w) {
this.w = new Quorum(w);
return this;
}
public Builder w(Quorum w) {
this.w = w;
return this;
}
public Builder dw(int dw) {
this.dw = new Quorum(dw);
return this;
}
public Builder dw(Quora dw) {
this.dw = new Quorum(dw);
return this;
}
public Builder dw(Quorum dw) {
this.dw = dw;
return this;
}
public Builder pw(int pw) {
this.pw = new Quorum(pw);
return this;
}
public Builder pw(Quora pw) {
this.pw = new Quorum(pw);
return this;
}
public Builder pw(Quorum pw) {
this.pw = pw;
return this;
}
public Builder returnBody(boolean returnBody) {
this.returnBody = returnBody;
return this;
}
public Builder returnHead(boolean returnHead) {
this.returnHead = returnHead;
return this;
}
public Builder ifNotModified(boolean ifNotModified) {
this.ifNotModified = ifNotModified;
return this;
}
public Builder ifNoneMatch(boolean ifNoneMatch) {
this.ifNoneMatch = ifNoneMatch;
return this;
}
public Builder asis(boolean asis) {
this.asis = asis;
return this;
}
public Builder timeout(int timeout) {
this.timeout = timeout;
return this;
}
}
}
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