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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.document.predicate;
/**
* @author <a href="mailto:magnarn@yahoo-inc.com">Magnar Nedland</a>
*/
public class RangePartition extends PredicateValue {
private String label;
public RangePartition(String label) {
this.label = label;
}
public RangePartition(String key, long fromInclusive, long toInclusive, boolean isNeg) {
this(makeLabel(key, fromInclusive, toInclusive, isNeg));
}
private static String makeLabel(String key, long fromInclusive, long toInclusive, boolean isNeg) {
if (isNeg) {
// special case for toInclusive==long_min: It will print its own hyphen.
return key + "=" + (toInclusive==0x8000000000000000L? "" : "-") + toInclusive + "-" + fromInclusive;
} else {
// special case for toInclusive==long_min: It will print its own hyphen.
return key + "=" + fromInclusive + (toInclusive==0x8000000000000000L? "" : "-") + toInclusive;
}
}
public String getLabel() {
return label;
}
@Override
public RangePartition clone() throws CloneNotSupportedException {
return (RangePartition)super.clone();
}
@Override
public int hashCode() {
return label.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (!(obj instanceof RangePartition)) {
return false;
}
return label.equals(((RangePartition)obj).getLabel());
}
@Override
protected void appendTo(StringBuilder out) {
int i = label.lastIndexOf('=');
appendQuotedTo(label.substring(0, i), out);
if (out.charAt(out.length() - 1) == '\'') {
out.deleteCharAt(out.length() - 1);
out.append(label.substring(i));
out.append('\'');
} else {
out.append(label.substring(i));
}
}
}
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