package com.netflix.astyanax.recipes.locks;
import com.netflix.astyanax.model.ByteBufferRange;
import com.netflix.astyanax.util.RangeBuilder;
public class StringRowLockColumnStrategy implements LockColumnStrategy<String> {
public static final String DEFAULT_LOCK_PREFIX = "_LOCK_";
private String lockId = null;
private String prefix = DEFAULT_LOCK_PREFIX;
public StringRowLockColumnStrategy() {
}
public String getLockId() {
return lockId;
}
public void setLockId(String lockId) {
this.lockId = lockId;
}
public StringRowLockColumnStrategy withLockId(String lockId) {
this.lockId = lockId;
return this;
}
public String getPrefix() {
return prefix;
}
public void setPrefix(String prefix) {
this.prefix = prefix;
}
public StringRowLockColumnStrategy withPrefix(String prefix) {
this.prefix = prefix;
return this;
}
@Override
public boolean isLockColumn(String c) {
return c.startsWith(prefix);
}
@Override
public ByteBufferRange getLockColumnRange() {
return new RangeBuilder().setStart(prefix + "\u0000").setEnd(prefix + "\uFFFF").build();
}
@Override
public String generateLockColumn() {
return prefix + lockId;
}
}