
com.hydraql.common.query.BaseGetRowParam Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* 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.hydraql.common.query;
import java.util.ArrayList;
import java.util.List;
/**
* @author leojie 2023/9/6 20:03
*/
public abstract class BaseGetRowParam {
private final String family;
private final List qualifiers;
private final TimeRange timeRange;
private final int versions;
public BaseGetRowParam(Builder builder) {
this.family = builder.family;
this.qualifiers = builder.qualifiers;
this.timeRange = builder.timeRange;
this.versions = builder.versions;
}
public static class TimeRange {
private final long minTimestamp;
private final long maxTimestamp;
public TimeRange(long minTimestamp, long maxTimestamp) {
if (minTimestamp >= 0L && maxTimestamp >= 0L) {
if (maxTimestamp < minTimestamp) {
throw new IllegalArgumentException("maxTimestamp is smaller than minTimestamp");
}
} else {
throw new IllegalArgumentException("Timestamp cannot be negative. minTimestamp:"
+ minTimestamp + ", maxTimestamp:" + maxTimestamp);
}
this.minTimestamp = minTimestamp;
this.maxTimestamp = maxTimestamp;
}
public long getMinTimestamp() {
return minTimestamp;
}
public long getMaxTimestamp() {
return maxTimestamp;
}
@Override
public String toString() {
return "[" + "minTimestamp=" + minTimestamp + ", maxTimestamp=" + maxTimestamp + ']';
}
}
public abstract static class Builder {
private String family;
private List qualifiers;
private TimeRange timeRange;
private int versions;
protected Builder() {
this.versions = 1;
}
public Builder family(String family) {
this.family = family;
return this;
}
public Builder qualifiers(List qualifiers) {
this.qualifiers = qualifiers;
return this;
}
public Builder qualifier(String qualifier) {
if (this.qualifiers == null) {
this.qualifiers = new ArrayList<>();
}
this.qualifiers.add(qualifier);
return this;
}
public Builder withTimeRange(long min, long max) {
this.timeRange = new TimeRange(min, max);
return this;
}
public Builder withTimestamp(long ts) {
if (ts < 0 || ts == Long.MAX_VALUE) {
throw new IllegalArgumentException("invalid ts:" + ts);
}
this.timeRange = new TimeRange(ts, ts + 1);
return this;
}
public Builder versions(int versions) {
if (versions <= 0) {
throw new IllegalArgumentException("versions must be positive.");
}
this.versions = versions;
return this;
}
public abstract T build();
}
public String getFamily() {
return family;
}
public List getQualifiers() {
return qualifiers;
}
public TimeRange getTimeRange() {
return timeRange;
}
public int getVersions() {
return versions;
}
public boolean onlyFamily() {
return FamilyQualifierUtil.familyNameOnly(this.getFamily(), this.getQualifiers());
}
public boolean familyWithQualifiers() {
return FamilyQualifierUtil.familyAndColumnNames(this.getFamily(), this.getQualifiers());
}
}
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